2 * Copyright (c) 1999,2000 Michael Smith
3 * Copyright (c) 2000 BSDi
4 * Copyright (c) 2005 Scott Long
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Copyright (c) 2002 Eric Moore
30 * Copyright (c) 2002, 2004 LSI Logic Corporation
31 * All rights reserved.
33 * Redistribution and use in source and binary forms, with or without
34 * modification, are permitted provided that the following conditions
36 * 1. Redistributions of source code must retain the above copyright
37 * notice, this list of conditions and the following disclaimer.
38 * 2. Redistributions in binary form must reproduce the above copyright
39 * notice, this list of conditions and the following disclaimer in the
40 * documentation and/or other materials provided with the distribution.
41 * 3. The party using or redistributing the source code and binary forms
42 * agrees to the disclaimer below and the terms and conditions set forth
45 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * $FreeBSD: src/sys/dev/amr/amr.c,v 1.97 2012/04/20 20:27:31 jhb Exp $
61 * Driver for the AMI MegaRaid family of controllers.
64 #include <sys/param.h>
65 #include <sys/systm.h>
66 #include <sys/malloc.h>
67 #include <sys/kernel.h>
69 #include <sys/sysctl.h>
70 #include <sys/sysmsg.h>
77 #include <machine/cpu.h>
80 #include <bus/pci/pcireg.h>
81 #include <bus/pci/pcivar.h>
83 #include <dev/raid/amr/amrio.h>
84 #include <dev/raid/amr/amrreg.h>
85 #include <dev/raid/amr/amrvar.h>
86 #define AMR_DEFINE_TABLES
87 #include <dev/raid/amr/amr_tables.h>
89 SYSCTL_NODE(_hw, OID_AUTO, amr, CTLFLAG_RD, 0, "AMR driver parameters");
91 static d_open_t amr_open;
92 static d_close_t amr_close;
93 static d_ioctl_t amr_ioctl;
95 static struct dev_ops amr_ops = {
102 int linux_no_adapter = 0;
104 * Initialisation, bus interface.
106 static void amr_startup(void *arg);
111 static int amr_query_controller(struct amr_softc *sc);
112 static void *amr_enquiry(struct amr_softc *sc, size_t bufsize,
113 u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status);
114 static void amr_completeio(struct amr_command *ac);
115 static int amr_support_ext_cdb(struct amr_softc *sc);
118 * Command buffer allocation.
120 static void amr_alloccmd_cluster(struct amr_softc *sc);
121 static void amr_freecmd_cluster(struct amr_command_cluster *acc);
124 * Command processing.
126 static int amr_bio_command(struct amr_softc *sc, struct amr_command **acp);
127 static int amr_wait_command(struct amr_command *ac);
128 static int amr_mapcmd(struct amr_command *ac);
129 static void amr_unmapcmd(struct amr_command *ac);
130 static int amr_start(struct amr_command *ac);
131 static void amr_complete(void *context, ac_qhead_t *head);
132 static void amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
133 static void amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
134 static void amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
135 static void amr_abort_load(struct amr_command *ac);
141 static void amr_periodic(void *data);
145 * Interface-specific shims
147 static int amr_quartz_submit_command(struct amr_command *ac);
148 static int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
149 static int amr_quartz_poll_command(struct amr_command *ac);
150 static int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac);
152 static int amr_std_submit_command(struct amr_command *ac);
153 static int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
154 static int amr_std_poll_command(struct amr_command *ac);
155 static void amr_std_attach_mailbox(struct amr_softc *sc);
157 #ifdef AMR_BOARD_INIT
158 static int amr_quartz_init(struct amr_softc *sc);
159 static int amr_std_init(struct amr_softc *sc);
165 static void amr_describe_controller(struct amr_softc *sc);
168 static void amr_printcommand(struct amr_command *ac);
172 static void amr_init_sysctl(struct amr_softc *sc);
173 static int amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr,
174 int32_t flag, struct sysmsg *sm);
176 static MALLOC_DEFINE(M_AMR, "amr", "AMR memory");
178 /********************************************************************************
179 ********************************************************************************
181 ********************************************************************************
182 ********************************************************************************/
184 /********************************************************************************
185 ********************************************************************************
187 ********************************************************************************
188 ********************************************************************************/
190 /********************************************************************************
191 * Initialise the controller and softc.
194 amr_attach(struct amr_softc *sc)
201 * Initialise per-controller queues.
203 amr_init_qhead(&sc->amr_freecmds);
204 amr_init_qhead(&sc->amr_ready);
205 TAILQ_INIT(&sc->amr_cmd_clusters);
206 bioq_init(&sc->amr_bioq);
208 debug(2, "queue init done");
211 * Configure for this controller type.
213 if (AMR_IS_QUARTZ(sc)) {
214 sc->amr_submit_command = amr_quartz_submit_command;
215 sc->amr_get_work = amr_quartz_get_work;
216 sc->amr_poll_command = amr_quartz_poll_command;
217 sc->amr_poll_command1 = amr_quartz_poll_command1;
219 sc->amr_submit_command = amr_std_submit_command;
220 sc->amr_get_work = amr_std_get_work;
221 sc->amr_poll_command = amr_std_poll_command;
222 amr_std_attach_mailbox(sc);
225 #ifdef AMR_BOARD_INIT
226 if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc)))
231 * Allocate initial commands.
233 amr_alloccmd_cluster(sc);
236 * Quiz controller for features and limits.
238 if (amr_query_controller(sc))
241 debug(2, "controller query complete");
244 * preallocate the remaining commands.
246 while (sc->amr_nextslot < sc->amr_maxio)
247 amr_alloccmd_cluster(sc);
252 sysctl_ctx_init(&sc->amr_sysctl_ctx);
253 sc->amr_sysctl_tree = SYSCTL_ADD_NODE(&sc->amr_sysctl_ctx,
254 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
255 device_get_nameunit(sc->amr_dev), CTLFLAG_RD, 0, "");
256 if (sc->amr_sysctl_tree == NULL) {
257 device_printf(sc->amr_dev, "can't add sysctl node\n");
263 * Attach our 'real' SCSI channels to CAM.
265 child = device_add_child(sc->amr_dev, "amrp", -1);
266 sc->amr_pass = child;
268 device_set_softc(child, sc);
269 device_set_desc(child, "SCSI Passthrough Bus");
270 bus_generic_attach(sc->amr_dev);
274 * Create the control device.
276 sc->amr_dev_t = make_dev(&amr_ops, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR,
277 S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev));
278 sc->amr_dev_t->si_drv1 = sc;
280 if (device_get_unit(sc->amr_dev) == 0)
281 make_dev_alias(sc->amr_dev_t, "megadev0");
284 * Schedule ourselves to bring the controller up once interrupts are
287 bzero(&sc->amr_ich, sizeof(struct intr_config_hook));
288 sc->amr_ich.ich_func = amr_startup;
289 sc->amr_ich.ich_arg = sc;
290 if (config_intrhook_establish(&sc->amr_ich) != 0) {
291 device_printf(sc->amr_dev, "can't establish configuration hook\n");
296 * Print a little information about the controller.
298 amr_describe_controller(sc);
300 debug(2, "attach complete");
304 /********************************************************************************
305 * Locate disk resources and attach children to them.
308 amr_startup(void *arg)
310 struct amr_softc *sc = (struct amr_softc *)arg;
311 struct amr_logdrive *dr;
315 callout_init(&sc->amr_timeout);
317 /* pull ourselves off the intrhook chain */
318 if (sc->amr_ich.ich_func)
319 config_intrhook_disestablish(&sc->amr_ich);
320 sc->amr_ich.ich_func = NULL;
322 /* get up-to-date drive information */
323 if (amr_query_controller(sc)) {
324 device_printf(sc->amr_dev, "can't scan controller for drives\n");
328 /* iterate over available drives */
329 for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) {
330 /* are we already attached to this drive? */
331 if (dr->al_disk == 0) {
332 /* generate geometry information */
333 if (dr->al_size > 0x200000) { /* extended translation? */
340 dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors);
342 dr->al_disk = device_add_child(sc->amr_dev, NULL, -1);
343 if (dr->al_disk == 0)
344 device_printf(sc->amr_dev, "device_add_child failed\n");
345 device_set_ivars(dr->al_disk, dr);
349 if ((error = bus_generic_attach(sc->amr_dev)) != 0)
350 device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error);
352 /* mark controller back up */
353 sc->amr_state &= ~AMR_STATE_SHUTDOWN;
355 /* interrupts will be enabled before we do anything more */
356 sc->amr_state |= AMR_STATE_INTEN;
360 * Start the timeout routine.
362 sc->amr_timeout = timeout(amr_periodic, sc, hz);
369 amr_init_sysctl(struct amr_softc *sc)
372 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
373 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
374 OID_AUTO, "allow_volume_configure", CTLFLAG_RW, &sc->amr_allow_vol_config, 0,
376 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
377 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
378 OID_AUTO, "nextslot", CTLFLAG_RD, &sc->amr_nextslot, 0,
380 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
381 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
382 OID_AUTO, "busyslots", CTLFLAG_RD, &sc->amr_busyslots, 0,
384 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
385 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
386 OID_AUTO, "maxio", CTLFLAG_RD, &sc->amr_maxio, 0,
391 /*******************************************************************************
392 * Free resources associated with a controller instance
395 amr_free(struct amr_softc *sc)
397 struct amr_command_cluster *acc;
399 /* detach from CAM */
400 if (sc->amr_pass != NULL)
401 device_delete_child(sc->amr_dev, sc->amr_pass);
403 /* cancel status timeout */
404 callout_stop(&sc->amr_timeout);
406 /* throw away any command buffers */
407 while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) {
408 TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link);
409 amr_freecmd_cluster(acc);
412 /* destroy control device */
413 if(sc->amr_dev_t != NULL)
414 destroy_dev(sc->amr_dev_t);
415 dev_ops_remove_minor(&amr_ops, device_get_unit(sc->amr_dev));
417 #if 0 /* XXX swildner */
418 if (mtx_initialized(&sc->amr_hw_lock))
419 mtx_destroy(&sc->amr_hw_lock);
421 if (mtx_initialized(&sc->amr_list_lock))
422 mtx_destroy(&sc->amr_list_lock);
425 if (sc->amr_sysctl_tree != NULL)
426 sysctl_ctx_free(&sc->amr_sysctl_ctx);
428 lockuninit(&sc->amr_hw_lock);
429 lockuninit(&sc->amr_list_lock);
432 /*******************************************************************************
433 * Receive a bio structure from a child device and queue it on a particular
434 * disk resource, then poke the disk resource to start as much work as it can.
437 amr_submit_bio(struct amr_softc *sc, struct bio *bio)
441 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
442 amr_enqueue_bio(sc, bio);
444 lockmgr(&sc->amr_list_lock, LK_RELEASE);
448 /********************************************************************************
449 * Accept an open operation on the control device.
452 amr_open(struct dev_open_args *ap)
454 cdev_t dev = ap->a_head.a_dev;
455 int unit = minor(dev);
456 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
460 sc->amr_state |= AMR_STATE_OPEN;
464 /********************************************************************************
465 * Accept the last close on the control device.
468 amr_close(struct dev_close_args *ap)
470 cdev_t dev = ap->a_head.a_dev;
471 int unit = minor(dev);
472 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
476 sc->amr_state &= ~AMR_STATE_OPEN;
480 /********************************************************************************
481 * Handle controller-specific control operations.
484 amr_rescan_drives(struct cdev *dev)
486 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
489 sc->amr_state |= AMR_STATE_REMAP_LD;
490 while (sc->amr_busyslots) {
491 device_printf(sc->amr_dev, "idle controller\n");
495 /* mark ourselves as in-shutdown */
496 sc->amr_state |= AMR_STATE_SHUTDOWN;
498 /* flush controller */
499 device_printf(sc->amr_dev, "flushing cache...");
500 kprintf("%s\n", amr_flush(sc) ? "failed" : "done");
502 /* delete all our child devices */
503 for(i = 0 ; i < AMR_MAXLD; i++) {
504 if(sc->amr_drive[i].al_disk != 0) {
505 if((error = device_delete_child(sc->amr_dev,
506 sc->amr_drive[i].al_disk)) != 0)
509 sc->amr_drive[i].al_disk = 0;
518 * Bug-for-bug compatibility with Linux!
519 * Some apps will send commands with inlen and outlen set to 0,
520 * even though they expect data to be transfered to them from the
521 * card. Linux accidentally allows this by allocating a 4KB
522 * buffer for the transfer anyways, but it then throws it away
523 * without copying it back to the app.
525 * The amr(4) firmware relies on this feature. In fact, it assumes
526 * the buffer is always a power of 2 up to a max of 64k. There is
527 * also at least one case where it assumes a buffer less than 16k is
528 * greater than 16k. Force a minimum buffer size of 32k and round
529 * sizes between 32k and 64k up to 64k as a workaround.
532 amr_ioctl_buffer_length(unsigned long len)
535 if (len <= 32 * 1024)
537 if (len <= 64 * 1024)
543 amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag,
546 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
547 struct amr_command *ac;
548 struct amr_mailbox *mb;
549 struct amr_linux_ioctl ali;
552 int adapter, len, ac_flags = 0;
553 int logical_drives_changed = 0;
554 u_int32_t linux_version = 0x02100000;
556 struct amr_passthrough *ap; /* 60 bytes */
563 if ((error = copyin(addr, &ali, sizeof(ali))) != 0)
565 switch (ali.ui.fcs.opcode) {
567 switch(ali.ui.fcs.subopcode) {
569 copyout(&linux_version, (void *)(uintptr_t)ali.data,
570 sizeof(linux_version));
575 copyout(&linux_no_adapter, (void *)(uintptr_t)ali.data,
576 sizeof(linux_no_adapter));
577 sm->sm_result.iresult = linux_no_adapter;
582 kprintf("Unknown subopcode\n");
590 if (ali.ui.fcs.opcode == 0x80)
591 len = max(ali.outlen, ali.inlen);
593 len = ali.ui.fcs.length;
595 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
597 mb = (void *)&ali.mbox[0];
599 if ((ali.mbox[0] == FC_DEL_LOGDRV && ali.mbox[2] == OP_DEL_LOGDRV) || /* delete */
600 (ali.mbox[0] == AMR_CMD_CONFIG && ali.mbox[2] == 0x0d)) { /* create */
601 if (sc->amr_allow_vol_config == 0) {
605 logical_drives_changed = 1;
608 if (ali.mbox[0] == AMR_CMD_PASS) {
609 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
610 while ((ac = amr_alloccmd(sc)) == NULL)
611 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
612 lockmgr(&sc->amr_list_lock, LK_RELEASE);
613 ap = &ac->ac_ccb->ccb_pthru;
615 error = copyin((void *)(uintptr_t)mb->mb_physaddr, ap,
616 sizeof(struct amr_passthrough));
620 if (ap->ap_data_transfer_length)
621 dp = kmalloc(ap->ap_data_transfer_length, M_AMR,
625 error = copyin((void *)(uintptr_t)ap->ap_data_transfer_address,
626 dp, ap->ap_data_transfer_length);
631 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT|AMR_CMD_CCB;
632 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
633 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
634 ac->ac_flags = ac_flags;
637 ac->ac_length = ap->ap_data_transfer_length;
638 temp = (void *)(uintptr_t)ap->ap_data_transfer_address;
640 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
641 error = amr_wait_command(ac);
642 lockmgr(&sc->amr_list_lock, LK_RELEASE);
646 status = ac->ac_status;
647 error = copyout(&status, &((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_scsi_status, sizeof(status));
652 error = copyout(dp, temp, ap->ap_data_transfer_length);
656 error = copyout(ap->ap_request_sense_area, ((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_request_sense_area, ap->ap_request_sense_length);
662 } else if (ali.mbox[0] == AMR_CMD_PASS_64) {
663 kprintf("No AMR_CMD_PASS_64\n");
666 } else if (ali.mbox[0] == AMR_CMD_EXTPASS) {
667 kprintf("No AMR_CMD_EXTPASS\n");
671 len = amr_ioctl_buffer_length(imax(ali.inlen, ali.outlen));
673 dp = kmalloc(len, M_AMR, M_WAITOK | M_ZERO);
676 error = copyin((void *)(uintptr_t)mb->mb_physaddr, dp, len);
681 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
682 while ((ac = amr_alloccmd(sc)) == NULL)
683 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
685 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
686 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
687 bcopy(&ali.mbox[0], &ac->ac_mailbox, sizeof(ali.mbox));
691 ac->ac_flags = ac_flags;
693 error = amr_wait_command(ac);
694 lockmgr(&sc->amr_list_lock, LK_RELEASE);
698 status = ac->ac_status;
699 error = copyout(&status, &((struct amr_mailbox *)&((struct amr_linux_ioctl *)addr)->mbox[0])->mb_status, sizeof(status));
701 error = copyout(dp, (void *)(uintptr_t)mb->mb_physaddr, ali.outlen);
707 if (logical_drives_changed)
708 amr_rescan_drives(dev);
714 debug(1, "unknown linux ioctl 0x%lx", cmd);
715 kprintf("unknown linux ioctl 0x%lx\n", cmd);
721 * At this point, we know that there is a lock held and that these
722 * objects have been allocated.
724 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
727 lockmgr(&sc->amr_list_lock, LK_RELEASE);
734 amr_ioctl(struct dev_ioctl_args *ap)
736 cdev_t dev = ap->a_head.a_dev;
737 caddr_t addr = ap->a_data;
738 u_long cmd = ap->a_cmd;
739 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
742 struct amr_user_ioctl *au;
743 #ifdef AMR_IO_COMMAND32
744 struct amr_user_ioctl32 *au32;
748 struct amr_command *ac;
749 struct amr_mailbox_ioctl *mbi;
750 void *dp, *au_buffer;
751 unsigned long au_length, real_length;
752 unsigned char *au_cmd;
753 int *au_statusp, au_direction;
755 struct amr_passthrough *_ap; /* 60 bytes */
756 int logical_drives_changed = 0;
760 arg._p = (void *)addr;
770 debug(1, "AMR_IO_VERSION");
771 *arg.result = AMR_IO_VERSION_NUMBER;
774 #ifdef AMR_IO_COMMAND32
776 * Accept ioctl-s from 32-bit binaries on non-32-bit
777 * platforms, such as AMD. LSI's MEGAMGR utility is
778 * the only example known today... -mi
780 case AMR_IO_COMMAND32:
781 debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]);
782 au_cmd = arg.au32->au_cmd;
783 au_buffer = (void *)(u_int64_t)arg.au32->au_buffer;
784 au_length = arg.au32->au_length;
785 au_direction = arg.au32->au_direction;
786 au_statusp = &arg.au32->au_status;
791 debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]);
792 au_cmd = arg.au->au_cmd;
793 au_buffer = (void *)arg.au->au_buffer;
794 au_length = arg.au->au_length;
795 au_direction = arg.au->au_direction;
796 au_statusp = &arg.au->au_status;
800 case 0xc06e6d00: /* Linux emulation */
803 struct amr_linux_ioctl ali;
806 devclass = devclass_find("amr");
807 if (devclass == NULL)
810 error = copyin(addr, &ali, sizeof(ali));
813 if (ali.ui.fcs.opcode == 0x82)
816 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
818 sc = devclass_get_softc(devclass, adapter);
822 return (amr_linux_ioctl_int(sc->amr_dev_t, cmd, addr, 0, ap->a_sysmsg));
825 debug(1, "unknown ioctl 0x%lx", cmd);
829 if ((au_cmd[0] == FC_DEL_LOGDRV && au_cmd[1] == OP_DEL_LOGDRV) || /* delete */
830 (au_cmd[0] == AMR_CMD_CONFIG && au_cmd[1] == 0x0d)) { /* create */
831 if (sc->amr_allow_vol_config == 0) {
835 logical_drives_changed = 1;
838 /* handle inbound data buffer */
839 real_length = amr_ioctl_buffer_length(au_length);
840 if (au_length != 0 && au_cmd[0] != 0x06) {
841 if ((dp = kmalloc(real_length, M_AMR, M_WAITOK|M_ZERO)) == NULL) {
845 if ((error = copyin(au_buffer, dp, au_length)) != 0) {
849 debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp);
852 /* Allocate this now before the mutex gets held */
854 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
855 while ((ac = amr_alloccmd(sc)) == NULL)
856 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
858 /* handle SCSI passthrough command */
859 if (au_cmd[0] == AMR_CMD_PASS) {
862 _ap = &ac->ac_ccb->ccb_pthru;
863 bzero(_ap, sizeof(struct amr_passthrough));
867 _ap->ap_cdb_length = len;
868 bcopy(au_cmd + 3, _ap->ap_cdb, len);
870 /* build passthrough */
871 _ap->ap_timeout = au_cmd[len + 3] & 0x07;
872 _ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0;
873 _ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0;
874 _ap->ap_logical_drive_no = au_cmd[len + 4];
875 _ap->ap_channel = au_cmd[len + 5];
876 _ap->ap_scsi_id = au_cmd[len + 6];
877 _ap->ap_request_sense_length = 14;
878 _ap->ap_data_transfer_length = au_length;
879 /* XXX what about the request-sense area? does the caller want it? */
882 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
883 ac->ac_flags = AMR_CMD_CCB;
886 /* direct command to controller */
887 mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox;
889 /* copy pertinent mailbox items */
890 mbi->mb_command = au_cmd[0];
891 mbi->mb_channel = au_cmd[1];
892 mbi->mb_param = au_cmd[2];
893 mbi->mb_pad[0] = au_cmd[3];
894 mbi->mb_drive = au_cmd[4];
898 /* build the command */
900 ac->ac_length = real_length;
901 ac->ac_flags |= AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
903 /* run the command */
904 error = amr_wait_command(ac);
905 lockmgr(&sc->amr_list_lock, LK_RELEASE);
909 /* copy out data and set status */
910 if (au_length != 0) {
911 error = copyout(dp, au_buffer, au_length);
913 debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer);
915 debug(2, "%p status 0x%x", dp, ac->ac_status);
916 *au_statusp = ac->ac_status;
920 * At this point, we know that there is a lock held and that these
921 * objects have been allocated.
923 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
926 lockmgr(&sc->amr_list_lock, LK_RELEASE);
930 if (logical_drives_changed)
931 amr_rescan_drives(dev);
937 /********************************************************************************
938 ********************************************************************************
940 ********************************************************************************
941 ********************************************************************************/
943 /********************************************************************************
944 * Perform a periodic check of the controller status
947 amr_periodic(void *data)
949 struct amr_softc *sc = (struct amr_softc *)data;
953 /* XXX perform periodic status checks here */
955 /* compensate for missed interrupts */
959 callout_reset(&sc->amr_timeout, hz, amr_periodic, sc);
963 /********************************************************************************
964 ********************************************************************************
966 ********************************************************************************
967 ********************************************************************************/
969 /********************************************************************************
970 * Interrogate the controller for the operational parameters we require.
973 amr_query_controller(struct amr_softc *sc)
975 struct amr_enquiry3 *aex;
976 struct amr_prodinfo *ap;
977 struct amr_enquiry *ae;
982 * Greater than 10 byte cdb support
984 sc->support_ext_cdb = amr_support_ext_cdb(sc);
986 if(sc->support_ext_cdb) {
987 debug(2,"supports extended CDBs.");
991 * Try to issue an ENQUIRY3 command
993 if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3,
994 AMR_CONFIG_ENQ3_SOLICITED_FULL, &status)) != NULL) {
997 * Fetch current state of logical drives.
999 for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) {
1000 sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv];
1001 sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv];
1002 sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv];
1003 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1004 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1009 * Get product info for channel count.
1011 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) == NULL) {
1012 device_printf(sc->amr_dev, "can't obtain product data from controller\n");
1015 sc->amr_maxdrives = 40;
1016 sc->amr_maxchan = ap->ap_nschan;
1017 sc->amr_maxio = ap->ap_maxio;
1018 sc->amr_type |= AMR_TYPE_40LD;
1021 ap = amr_enquiry(sc, 0, FC_DEL_LOGDRV, OP_SUP_DEL_LOGDRV, 0, &status);
1025 sc->amr_ld_del_supported = 1;
1026 device_printf(sc->amr_dev, "delete logical drives supported by controller\n");
1030 /* failed, try the 8LD ENQUIRY commands */
1031 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) == NULL) {
1032 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) == NULL) {
1033 device_printf(sc->amr_dev, "can't obtain configuration data from controller\n");
1036 ae->ae_signature = 0;
1040 * Fetch current state of logical drives.
1042 for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) {
1043 sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv];
1044 sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv];
1045 sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv];
1046 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1047 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1050 sc->amr_maxdrives = 8;
1051 sc->amr_maxchan = ae->ae_adapter.aa_channels;
1052 sc->amr_maxio = ae->ae_adapter.aa_maxio;
1057 * Mark remaining drives as unused.
1059 for (; ldrv < AMR_MAXLD; ldrv++)
1060 sc->amr_drive[ldrv].al_size = 0xffffffff;
1063 * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust
1064 * the controller's reported value, and lockups have been seen when we do.
1066 sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD);
1071 /********************************************************************************
1072 * Run a generic enquiry-style command.
1075 amr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status)
1077 struct amr_command *ac;
1087 /* get ourselves a command buffer */
1088 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1089 ac = amr_alloccmd(sc);
1090 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1093 /* allocate the response structure */
1094 if ((result = kmalloc(bufsize, M_AMR, M_ZERO|M_NOWAIT)) == NULL)
1096 /* set command flags */
1098 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN;
1100 /* point the command at our data */
1101 ac->ac_data = result;
1102 ac->ac_length = bufsize;
1104 /* build the command proper */
1105 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1111 /* can't assume that interrupts are going to work here, so play it safe */
1112 if (sc->amr_poll_command(ac))
1114 error = ac->ac_status;
1115 *status = ac->ac_status;
1118 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1121 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1122 if ((error != 0) && (result != NULL)) {
1123 kfree(result, M_AMR);
1129 /********************************************************************************
1130 * Flush the controller's internal cache, return status.
1133 amr_flush(struct amr_softc *sc)
1135 struct amr_command *ac;
1138 /* get ourselves a command buffer */
1140 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1141 ac = amr_alloccmd(sc);
1142 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1145 /* set command flags */
1146 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1148 /* build the command proper */
1149 ac->ac_mailbox.mb_command = AMR_CMD_FLUSH;
1151 /* we have to poll, as the system may be going down or otherwise damaged */
1152 if (sc->amr_poll_command(ac))
1154 error = ac->ac_status;
1157 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1160 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1164 /********************************************************************************
1165 * Detect extented cdb >> greater than 10 byte cdb support
1166 * returns '1' means this support exist
1167 * returns '0' means this support doesn't exist
1170 amr_support_ext_cdb(struct amr_softc *sc)
1172 struct amr_command *ac;
1176 /* get ourselves a command buffer */
1178 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1179 ac = amr_alloccmd(sc);
1180 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1183 /* set command flags */
1184 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1186 /* build the command proper */
1187 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1192 /* we have to poll, as the system may be going down or otherwise damaged */
1193 if (sc->amr_poll_command(ac))
1195 if( ac->ac_status == AMR_STATUS_SUCCESS ) {
1200 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1203 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1207 /********************************************************************************
1208 * Try to find I/O work for the controller from one or more of the work queues.
1210 * We make the assumption that if the controller is not ready to take a command
1211 * at some given time, it will generate an interrupt at some later time when
1215 amr_startio(struct amr_softc *sc)
1217 struct amr_command *ac;
1219 /* spin until something prevents us from doing any work */
1222 /* Don't bother to queue commands no bounce buffers are available. */
1223 if (sc->amr_state & AMR_STATE_QUEUE_FRZN)
1226 /* try to get a ready command */
1227 ac = amr_dequeue_ready(sc);
1229 /* if that failed, build a command from a bio */
1231 (void)amr_bio_command(sc, &ac);
1233 /* if that failed, build a command from a ccb */
1234 if ((ac == NULL) && (sc->amr_cam_command != NULL))
1235 sc->amr_cam_command(sc, &ac);
1237 /* if we don't have anything to do, give up */
1241 /* try to give the command to the controller; if this fails save it for later and give up */
1242 if (amr_start(ac)) {
1243 debug(2, "controller busy, command deferred");
1244 amr_requeue_ready(ac); /* XXX schedule retry very soon? */
1250 /********************************************************************************
1251 * Handle completion of an I/O command.
1254 amr_completeio(struct amr_command *ac)
1256 struct amr_softc *sc = ac->ac_sc;
1257 static struct timeval lastfail;
1259 struct buf *bp = ac->ac_bio->bio_buf;
1261 if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */
1263 bp->b_flags |= B_ERROR;
1265 if (ppsratecheck(&lastfail, &curfail, 1))
1266 device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status);
1267 /* amr_printcommand(ac);*/
1269 amrd_intr(ac->ac_bio);
1270 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE);
1272 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE);
1275 /********************************************************************************
1276 ********************************************************************************
1278 ********************************************************************************
1279 ********************************************************************************/
1281 /********************************************************************************
1282 * Convert a bio off the top of the bio queue into a command.
1285 amr_bio_command(struct amr_softc *sc, struct amr_command **acp)
1287 struct amr_command *ac;
1288 struct amrd_softc *amrd;
1300 if ((ac = amr_alloccmd(sc)) == NULL)
1303 /* get a bio to work on */
1304 if ((bio = amr_dequeue_bio(sc)) == NULL) {
1309 /* connect the bio to the command */
1311 ac->ac_complete = amr_completeio;
1313 ac->ac_data = bp->b_data;
1314 ac->ac_length = bp->b_bcount;
1316 switch (bp->b_cmd) {
1318 ac->ac_flags |= AMR_CMD_DATAIN;
1319 if (AMR_IS_SG64(sc)) {
1320 cmd = AMR_CMD_LREAD64;
1321 ac->ac_flags |= AMR_CMD_SG64;
1323 cmd = AMR_CMD_LREAD;
1326 ac->ac_flags |= AMR_CMD_DATAOUT;
1327 if (AMR_IS_SG64(sc)) {
1328 cmd = AMR_CMD_LWRITE64;
1329 ac->ac_flags |= AMR_CMD_SG64;
1331 cmd = AMR_CMD_LWRITE;
1334 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1335 cmd = AMR_CMD_FLUSH;
1338 panic("Invalid bio command");
1340 amrd = (struct amrd_softc *)bio->bio_driver_info;
1341 driveno = amrd->amrd_drive - sc->amr_drive;
1342 blkcount = (bp->b_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
1344 ac->ac_mailbox.mb_command = cmd;
1345 if (bp->b_cmd & (BUF_CMD_READ|BUF_CMD_WRITE)) {
1346 ac->ac_mailbox.mb_blkcount = blkcount;
1347 ac->ac_mailbox.mb_lba = bio->bio_offset / AMR_BLKSIZE;
1348 if (((bio->bio_offset / AMR_BLKSIZE) + blkcount) > sc->amr_drive[driveno].al_size) {
1349 device_printf(sc->amr_dev,
1350 "I/O beyond end of unit (%lld,%d > %lu)\n",
1351 (long long)(bio->bio_offset / AMR_BLKSIZE), blkcount,
1352 (u_long)sc->amr_drive[driveno].al_size);
1355 ac->ac_mailbox.mb_drive = driveno;
1356 if (sc->amr_state & AMR_STATE_REMAP_LD)
1357 ac->ac_mailbox.mb_drive |= 0x80;
1359 /* we fill in the s/g related data when the command is mapped */
1366 /********************************************************************************
1367 * Take a command, submit it to the controller and sleep until it completes
1368 * or fails. Interrupts must be enabled, returns nonzero on error.
1371 amr_wait_command(struct amr_command *ac)
1374 struct amr_softc *sc = ac->ac_sc;
1378 ac->ac_complete = NULL;
1379 ac->ac_flags |= AMR_CMD_SLEEP;
1380 if ((error = amr_start(ac)) != 0) {
1384 while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) {
1385 error = lksleep(ac,&sc->amr_list_lock, 0, "amrwcmd", 0);
1391 /********************************************************************************
1392 * Take a command, submit it to the controller and busy-wait for it to return.
1393 * Returns nonzero on error. Can be safely called with interrupts enabled.
1396 amr_std_poll_command(struct amr_command *ac)
1398 struct amr_softc *sc = ac->ac_sc;
1403 ac->ac_complete = NULL;
1404 if ((error = amr_start(ac)) != 0)
1410 * Poll for completion, although the interrupt handler may beat us to it.
1411 * Note that the timeout here is somewhat arbitrary.
1415 } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000));
1416 if (!(ac->ac_flags & AMR_CMD_BUSY)) {
1419 /* XXX the slot is now marked permanently busy */
1421 device_printf(sc->amr_dev, "polled command timeout\n");
1427 amr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1429 struct amr_command *ac = arg;
1430 struct amr_softc *sc = ac->ac_sc;
1434 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1435 ac->ac_status = AMR_STATUS_ABORTED;
1439 amr_setup_sg(arg, segs, nsegs, err);
1441 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1442 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1443 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1444 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1445 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1446 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1448 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1449 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1450 if (AC_IS_SG64(ac)) {
1452 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1455 sc->amr_poll_command1(sc, ac);
1458 /********************************************************************************
1459 * Take a command, submit it to the controller and busy-wait for it to return.
1460 * Returns nonzero on error. Can be safely called with interrupts enabled.
1463 amr_quartz_poll_command(struct amr_command *ac)
1465 struct amr_softc *sc = ac->ac_sc;
1472 if (AC_IS_SG64(ac)) {
1473 ac->ac_tag = sc->amr_buffer64_dmat;
1474 ac->ac_datamap = ac->ac_dma64map;
1476 ac->ac_tag = sc->amr_buffer_dmat;
1477 ac->ac_datamap = ac->ac_dmamap;
1480 /* now we have a slot, we can map the command (unmapped in amr_complete) */
1481 if (ac->ac_data != NULL && ac->ac_length != 0) {
1482 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1483 ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) {
1487 error = amr_quartz_poll_command1(sc, ac);
1494 amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac)
1498 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
1499 if ((sc->amr_state & AMR_STATE_INTEN) == 0) {
1501 while (sc->amr_busyslots) {
1502 lksleep(sc, &sc->amr_hw_lock, PCATCH, "amrpoll", hz);
1508 if(sc->amr_busyslots) {
1509 device_printf(sc->amr_dev, "adapter is busy\n");
1510 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1511 if (ac->ac_data != NULL) {
1512 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1519 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1521 /* clear the poll/ack fields in the mailbox */
1522 sc->amr_mailbox->mb_ident = 0xFE;
1523 sc->amr_mailbox->mb_nstatus = 0xFF;
1524 sc->amr_mailbox->mb_status = 0xFF;
1525 sc->amr_mailbox->mb_poll = 0;
1526 sc->amr_mailbox->mb_ack = 0;
1527 sc->amr_mailbox->mb_busy = 1;
1529 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1531 while(sc->amr_mailbox->mb_nstatus == 0xFF)
1533 while(sc->amr_mailbox->mb_status == 0xFF)
1535 ac->ac_status=sc->amr_mailbox->mb_status;
1536 error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0;
1537 while(sc->amr_mailbox->mb_poll != 0x77)
1539 sc->amr_mailbox->mb_poll = 0;
1540 sc->amr_mailbox->mb_ack = 0x77;
1542 /* acknowledge that we have the commands */
1543 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1544 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
1546 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1548 /* unmap the command's data buffer */
1549 if (ac->ac_flags & AMR_CMD_DATAIN) {
1550 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTREAD);
1552 if (ac->ac_flags & AMR_CMD_DATAOUT) {
1553 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTWRITE);
1555 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1561 amr_freeslot(struct amr_command *ac)
1563 struct amr_softc *sc = ac->ac_sc;
1569 if (sc->amr_busycmd[slot] == NULL)
1570 panic("amr: slot %d not busy?", slot);
1572 sc->amr_busycmd[slot] = NULL;
1573 atomic_subtract_int(&sc->amr_busyslots, 1);
1578 /********************************************************************************
1579 * Map/unmap (ac)'s data in the controller's addressable space as required.
1581 * These functions may be safely called multiple times on a given command.
1584 amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1586 struct amr_command *ac = (struct amr_command *)arg;
1587 struct amr_sgentry *sg;
1588 struct amr_sg64entry *sg64;
1593 /* get base address of s/g table */
1594 sg = ac->ac_sg.sg32;
1595 sg64 = ac->ac_sg.sg64;
1597 if (AC_IS_SG64(ac)) {
1598 ac->ac_nsegments = nsegments;
1599 ac->ac_mb_physaddr = 0xffffffff;
1600 for (i = 0; i < nsegments; i++, sg64++) {
1601 sg64->sg_addr = segs[i].ds_addr;
1602 sg64->sg_count = segs[i].ds_len;
1605 /* decide whether we need to populate the s/g table */
1606 if (nsegments < 2) {
1607 ac->ac_nsegments = 0;
1608 ac->ac_mb_physaddr = segs[0].ds_addr;
1610 ac->ac_nsegments = nsegments;
1611 ac->ac_mb_physaddr = ac->ac_sgbusaddr;
1612 for (i = 0; i < nsegments; i++, sg++) {
1613 sg->sg_addr = segs[i].ds_addr;
1614 sg->sg_count = segs[i].ds_len;
1620 if (ac->ac_flags & AMR_CMD_DATAIN)
1621 flags |= BUS_DMASYNC_PREREAD;
1622 if (ac->ac_flags & AMR_CMD_DATAOUT)
1623 flags |= BUS_DMASYNC_PREWRITE;
1624 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flags);
1625 ac->ac_flags |= AMR_CMD_MAPPED;
1629 amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1631 struct amr_command *ac = arg;
1632 struct amr_softc *sc = ac->ac_sc;
1636 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1641 amr_setup_sg(arg, segs, nsegs, err);
1643 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1644 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1645 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1646 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1647 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1648 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1650 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1651 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1652 if (AC_IS_SG64(ac)) {
1654 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1657 if (sc->amr_submit_command(ac) == EBUSY) {
1659 amr_requeue_ready(ac);
1664 amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1666 struct amr_command *ac = arg;
1667 struct amr_softc *sc = ac->ac_sc;
1668 struct amr_passthrough *ap = &ac->ac_ccb->ccb_pthru;
1669 struct amr_ext_passthrough *aep = &ac->ac_ccb->ccb_epthru;
1672 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1677 /* Set up the mailbox portion of the command to point at the ccb */
1678 ac->ac_mailbox.mb_nsgelem = 0;
1679 ac->ac_mailbox.mb_physaddr = ac->ac_ccb_busaddr;
1681 amr_setup_sg(arg, segs, nsegs, err);
1683 switch (ac->ac_mailbox.mb_command) {
1684 case AMR_CMD_EXTPASS:
1685 aep->ap_no_sg_elements = ac->ac_nsegments;
1686 aep->ap_data_transfer_address = ac->ac_mb_physaddr;
1689 ap->ap_no_sg_elements = ac->ac_nsegments;
1690 ap->ap_data_transfer_address = ac->ac_mb_physaddr;
1693 panic("Unknown ccb command");
1696 if (sc->amr_submit_command(ac) == EBUSY) {
1698 amr_requeue_ready(ac);
1703 amr_mapcmd(struct amr_command *ac)
1705 bus_dmamap_callback_t *cb;
1706 struct amr_softc *sc = ac->ac_sc;
1710 if (AC_IS_SG64(ac)) {
1711 ac->ac_tag = sc->amr_buffer64_dmat;
1712 ac->ac_datamap = ac->ac_dma64map;
1714 ac->ac_tag = sc->amr_buffer_dmat;
1715 ac->ac_datamap = ac->ac_dmamap;
1718 if (ac->ac_flags & AMR_CMD_CCB)
1721 cb = amr_setup_data;
1723 /* if the command involves data at all, and hasn't been mapped */
1724 if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) {
1725 /* map the data buffers into bus space and build the s/g list */
1726 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1727 ac->ac_length, cb, ac, 0) == EINPROGRESS) {
1728 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1731 if (sc->amr_submit_command(ac) == EBUSY) {
1733 amr_requeue_ready(ac);
1741 amr_unmapcmd(struct amr_command *ac)
1747 /* if the command involved data at all and was mapped */
1748 if (ac->ac_flags & AMR_CMD_MAPPED) {
1750 if (ac->ac_data != NULL) {
1753 if (ac->ac_flags & AMR_CMD_DATAIN)
1754 flag |= BUS_DMASYNC_POSTREAD;
1755 if (ac->ac_flags & AMR_CMD_DATAOUT)
1756 flag |= BUS_DMASYNC_POSTWRITE;
1758 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flag);
1759 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1762 ac->ac_flags &= ~AMR_CMD_MAPPED;
1767 amr_abort_load(struct amr_command *ac)
1770 struct amr_softc *sc = ac->ac_sc;
1772 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0);
1774 ac->ac_status = AMR_STATUS_ABORTED;
1775 amr_init_qhead(&head);
1776 amr_enqueue_completed(ac, &head);
1778 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1779 amr_complete(sc, &head);
1780 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1783 /********************************************************************************
1784 * Take a command and give it to the controller, returns 0 if successful, or
1785 * EBUSY if the command should be retried later.
1788 amr_start(struct amr_command *ac)
1790 struct amr_softc *sc;
1796 /* mark command as busy so that polling consumer can tell */
1798 ac->ac_flags |= AMR_CMD_BUSY;
1800 /* get a command slot (freed in amr_done) */
1802 if (sc->amr_busycmd[slot] != NULL)
1803 panic("amr: slot %d busy?", slot);
1804 sc->amr_busycmd[slot] = ac;
1805 atomic_add_int(&sc->amr_busyslots, 1);
1807 /* Now we have a slot, we can map the command (unmapped in amr_complete). */
1808 if ((error = amr_mapcmd(ac)) == ENOMEM) {
1810 * Memroy resources are short, so free the slot and let this be tried
1819 /********************************************************************************
1820 * Extract one or more completed commands from the controller (sc)
1822 * Returns nonzero if any commands on the work queue were marked as completed.
1826 amr_done(struct amr_softc *sc)
1829 struct amr_command *ac;
1830 struct amr_mailbox mbox;
1835 /* See if there's anything for us to do */
1837 amr_init_qhead(&head);
1839 /* loop collecting completed commands */
1841 /* poll for a completed command's identifier and status */
1842 if (sc->amr_get_work(sc, &mbox)) {
1845 /* iterate over completed commands in this result */
1846 for (i = 0; i < mbox.mb_nstatus; i++) {
1847 /* get pointer to busy command */
1848 idx = mbox.mb_completed[i] - 1;
1849 ac = sc->amr_busycmd[idx];
1851 /* really a busy command? */
1854 /* pull the command from the busy index */
1857 /* save status for later use */
1858 ac->ac_status = mbox.mb_status;
1859 amr_enqueue_completed(ac, &head);
1860 debug(3, "completed command with status %x", mbox.mb_status);
1862 device_printf(sc->amr_dev, "bad slot %d completed\n", idx);
1866 break; /* no work */
1869 /* handle completion and timeouts */
1870 amr_complete(sc, &head);
1875 /********************************************************************************
1876 * Do completion processing on done commands on (sc)
1880 amr_complete(void *context, ac_qhead_t *head)
1882 struct amr_softc *sc = (struct amr_softc *)context;
1883 struct amr_command *ac;
1887 /* pull completed commands off the queue */
1889 ac = amr_dequeue_completed(sc, head);
1893 /* unmap the command's data buffer */
1897 * Is there a completion handler?
1899 if (ac->ac_complete != NULL) {
1900 /* unbusy the command */
1901 ac->ac_flags &= ~AMR_CMD_BUSY;
1902 ac->ac_complete(ac);
1905 * Is someone sleeping on this one?
1908 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1909 ac->ac_flags &= ~AMR_CMD_BUSY;
1910 if (ac->ac_flags & AMR_CMD_SLEEP) {
1911 /* unbusy the command */
1914 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1917 if(!sc->amr_busyslots) {
1922 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1923 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
1925 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1928 /********************************************************************************
1929 ********************************************************************************
1930 Command Buffer Management
1931 ********************************************************************************
1932 ********************************************************************************/
1934 /********************************************************************************
1935 * Get a new command buffer.
1937 * This may return NULL in low-memory cases.
1939 * If possible, we recycle a command buffer that's been used before.
1941 struct amr_command *
1942 amr_alloccmd(struct amr_softc *sc)
1944 struct amr_command *ac;
1948 ac = amr_dequeue_free(sc);
1950 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1954 /* clear out significant fields */
1956 bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox));
1960 ac->ac_complete = NULL;
1963 ac->ac_datamap = NULL;
1967 /********************************************************************************
1968 * Release a command buffer for recycling.
1971 amr_releasecmd(struct amr_command *ac)
1975 amr_enqueue_free(ac);
1978 /********************************************************************************
1979 * Allocate a new command cluster and initialise it.
1982 amr_alloccmd_cluster(struct amr_softc *sc)
1984 struct amr_command_cluster *acc;
1985 struct amr_command *ac;
1989 * If we haven't found the real limit yet, let us have a couple of
1990 * commands in order to be able to probe.
1992 if (sc->amr_maxio == 0)
1995 if (sc->amr_nextslot > sc->amr_maxio)
1997 acc = kmalloc(AMR_CMD_CLUSTERSIZE, M_AMR, M_NOWAIT | M_ZERO);
1999 nextslot = sc->amr_nextslot;
2000 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
2001 TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link);
2002 lockmgr(&sc->amr_list_lock, LK_RELEASE);
2003 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2004 ac = &acc->acc_command[i];
2006 ac->ac_slot = nextslot;
2009 * The SG table for each slot is a fixed size and is assumed to
2010 * to hold 64-bit s/g objects when the driver is configured to do
2011 * 64-bit DMA. 32-bit DMA commands still use the same table, but
2012 * cast down to 32-bit objects.
2014 if (AMR_IS_SG64(sc)) {
2015 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2016 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sg64entry));
2017 ac->ac_sg.sg64 = sc->amr_sg64table + (ac->ac_slot * AMR_NSEG);
2019 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2020 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
2021 ac->ac_sg.sg32 = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2024 ac->ac_ccb = sc->amr_ccb + ac->ac_slot;
2025 ac->ac_ccb_busaddr = sc->amr_ccb_busaddr +
2026 (ac->ac_slot * sizeof(union amr_ccb));
2028 if (bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap))
2030 if (AMR_IS_SG64(sc) &&
2031 (bus_dmamap_create(sc->amr_buffer64_dmat, 0,&ac->ac_dma64map)))
2034 if (++nextslot > sc->amr_maxio)
2037 sc->amr_nextslot = nextslot;
2041 /********************************************************************************
2042 * Free a command cluster
2045 amr_freecmd_cluster(struct amr_command_cluster *acc)
2047 struct amr_softc *sc = acc->acc_command[0].ac_sc;
2050 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2051 if (acc->acc_command[i].ac_sc == NULL)
2053 bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap);
2054 if (AMR_IS_SG64(sc))
2055 bus_dmamap_destroy(sc->amr_buffer64_dmat, acc->acc_command[i].ac_dma64map);
2060 /********************************************************************************
2061 ********************************************************************************
2062 Interface-specific Shims
2063 ********************************************************************************
2064 ********************************************************************************/
2066 /********************************************************************************
2067 * Tell the controller that the mailbox contains a valid command
2070 amr_quartz_submit_command(struct amr_command *ac)
2072 struct amr_softc *sc = ac->ac_sc;
2073 static struct timeval lastfail;
2077 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2078 while (sc->amr_mailbox->mb_busy && (i++ < 10)) {
2080 /* This is a no-op read that flushes pending mailbox updates */
2083 if (sc->amr_mailbox->mb_busy) {
2084 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2085 if (ac->ac_retries++ > 1000) {
2086 if (ppsratecheck(&lastfail, &curfail, 1))
2087 device_printf(sc->amr_dev, "Too many retries on command %p. "
2088 "Controller is likely dead\n", ac);
2095 * Save the slot number so that we can locate this command when complete.
2096 * Note that ident = 0 seems to be special, so we don't use it.
2098 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2099 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2100 sc->amr_mailbox->mb_busy = 1;
2101 sc->amr_mailbox->mb_poll = 0;
2102 sc->amr_mailbox->mb_ack = 0;
2103 sc->amr_mailbox64->sg64_hi = ac->ac_sg64_hi;
2104 sc->amr_mailbox64->sg64_lo = ac->ac_sg64_lo;
2106 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
2107 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2112 amr_std_submit_command(struct amr_command *ac)
2114 struct amr_softc *sc = ac->ac_sc;
2115 static struct timeval lastfail;
2118 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2119 if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) {
2120 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2121 if (ac->ac_retries++ > 1000) {
2122 if (ppsratecheck(&lastfail, &curfail, 1))
2123 device_printf(sc->amr_dev, "Too many retries on command %p. "
2124 "Controller is likely dead\n", ac);
2131 * Save the slot number so that we can locate this command when complete.
2132 * Note that ident = 0 seems to be special, so we don't use it.
2134 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2135 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2136 sc->amr_mailbox->mb_busy = 1;
2137 sc->amr_mailbox->mb_poll = 0;
2138 sc->amr_mailbox->mb_ack = 0;
2140 AMR_SPOST_COMMAND(sc);
2141 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2145 /********************************************************************************
2146 * Claim any work that the controller has completed; acknowledge completion,
2147 * save details of the completion in (mbsave)
2150 amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2155 u_int8_t completed[46];
2161 /* work waiting for us? */
2162 if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) {
2164 /* acknowledge interrupt */
2165 AMR_QPUT_ODB(sc, AMR_QODB_READY);
2167 while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff)
2169 sc->amr_mailbox->mb_nstatus = 0xff;
2171 /* wait until fw wrote out all completions */
2172 for (i = 0; i < nstatus; i++) {
2173 while ((completed[i] = sc->amr_mailbox->mb_completed[i]) == 0xff)
2175 sc->amr_mailbox->mb_completed[i] = 0xff;
2178 /* Save information for later processing */
2179 mbsave->mb_nstatus = nstatus;
2180 mbsave->mb_status = sc->amr_mailbox->mb_status;
2181 sc->amr_mailbox->mb_status = 0xff;
2183 for (i = 0; i < nstatus; i++)
2184 mbsave->mb_completed[i] = completed[i];
2186 /* acknowledge that we have the commands */
2187 AMR_QPUT_IDB(sc, AMR_QIDB_ACK);
2190 #ifndef AMR_QUARTZ_GOFASTER
2192 * This waits for the controller to notice that we've taken the
2193 * command from it. It's very inefficient, and we shouldn't do it,
2194 * but if we remove this code, we stop completing commands under
2197 * Peter J says we shouldn't do this. The documentation says we
2198 * should. Who is right?
2200 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
2201 ; /* XXX aiee! what if it dies? */
2205 worked = 1; /* got some work */
2212 amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2221 /* check for valid interrupt status */
2222 istat = AMR_SGET_ISTAT(sc);
2223 if ((istat & AMR_SINTR_VALID) != 0) {
2224 AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */
2226 /* save mailbox, which contains a list of completed commands */
2227 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
2229 AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */
2236 /********************************************************************************
2237 * Notify the controller of the mailbox location.
2240 amr_std_attach_mailbox(struct amr_softc *sc)
2243 /* program the mailbox physical address */
2244 AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff);
2245 AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff);
2246 AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff);
2247 AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff);
2248 AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR);
2250 /* clear any outstanding interrupt and enable interrupts proper */
2251 AMR_SACK_INTERRUPT(sc);
2252 AMR_SENABLE_INTR(sc);
2255 #ifdef AMR_BOARD_INIT
2256 /********************************************************************************
2257 * Initialise the controller
2260 amr_quartz_init(struct amr_softc *sc)
2262 int status, ostatus;
2264 device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc));
2269 while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) {
2270 if (status != ostatus) {
2271 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status));
2275 case AMR_QINIT_NOMEM:
2278 case AMR_QINIT_SCAN:
2279 /* XXX we could print channel/target here */
2287 amr_std_init(struct amr_softc *sc)
2289 int status, ostatus;
2291 device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc));
2296 while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) {
2297 if (status != ostatus) {
2298 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status));
2302 case AMR_SINIT_NOMEM:
2305 case AMR_SINIT_INPROG:
2306 /* XXX we could print channel/target here? */
2314 /********************************************************************************
2315 ********************************************************************************
2317 ********************************************************************************
2318 ********************************************************************************/
2320 /********************************************************************************
2321 * Identify the controller and print some information about it.
2324 amr_describe_controller(struct amr_softc *sc)
2326 struct amr_prodinfo *ap;
2327 struct amr_enquiry *ae;
2332 * Try to get 40LD product info, which tells us what the card is labelled as.
2334 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) != NULL) {
2335 device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n",
2336 ap->ap_product, ap->ap_firmware, ap->ap_bios,
2344 * Try 8LD extended ENQUIRY to get controller signature, and use lookup table.
2346 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) != NULL) {
2347 prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature);
2349 } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) != NULL) {
2352 * Try to work it out based on the PCI signatures.
2354 switch (pci_get_device(sc->amr_dev)) {
2356 prod = "Series 428";
2359 prod = "Series 434";
2362 prod = "unknown controller";
2366 device_printf(sc->amr_dev, "<unsupported controller>\n");
2371 * HP NetRaid controllers have a special encoding of the firmware and
2372 * BIOS versions. The AMI version seems to have it as strings whereas
2373 * the HP version does it with a leading uppercase character and two
2377 if(ae->ae_adapter.aa_firmware[2] >= 'A' &&
2378 ae->ae_adapter.aa_firmware[2] <= 'Z' &&
2379 ae->ae_adapter.aa_firmware[1] < ' ' &&
2380 ae->ae_adapter.aa_firmware[0] < ' ' &&
2381 ae->ae_adapter.aa_bios[2] >= 'A' &&
2382 ae->ae_adapter.aa_bios[2] <= 'Z' &&
2383 ae->ae_adapter.aa_bios[1] < ' ' &&
2384 ae->ae_adapter.aa_bios[0] < ' ') {
2386 /* this looks like we have an HP NetRaid version of the MegaRaid */
2388 if(ae->ae_signature == AMR_SIG_438) {
2389 /* the AMI 438 is a NetRaid 3si in HP-land */
2390 prod = "HP NetRaid 3si";
2393 device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n",
2394 prod, ae->ae_adapter.aa_firmware[2],
2395 ae->ae_adapter.aa_firmware[1],
2396 ae->ae_adapter.aa_firmware[0],
2397 ae->ae_adapter.aa_bios[2],
2398 ae->ae_adapter.aa_bios[1],
2399 ae->ae_adapter.aa_bios[0],
2400 ae->ae_adapter.aa_memorysize);
2402 device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n",
2403 prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios,
2404 ae->ae_adapter.aa_memorysize);
2410 amr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks)
2412 struct amr_command *ac;
2417 sc->amr_state |= AMR_STATE_INTEN;
2419 /* get ourselves a command buffer */
2420 if ((ac = amr_alloccmd(sc)) == NULL)
2422 /* set command flags */
2423 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
2425 /* point the command at our data */
2427 ac->ac_length = blks * AMR_BLKSIZE;
2429 /* build the command proper */
2430 ac->ac_mailbox.mb_command = AMR_CMD_LWRITE;
2431 ac->ac_mailbox.mb_blkcount = blks;
2432 ac->ac_mailbox.mb_lba = lba;
2433 ac->ac_mailbox.mb_drive = unit;
2435 /* can't assume that interrupts are going to work here, so play it safe */
2436 if (sc->amr_poll_command(ac))
2438 error = ac->ac_status;
2444 sc->amr_state &= ~AMR_STATE_INTEN;
2451 /********************************************************************************
2452 * Print the command (ac) in human-readable format
2456 amr_printcommand(struct amr_command *ac)
2458 struct amr_softc *sc = ac->ac_sc;
2459 struct amr_sgentry *sg;
2462 device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n",
2463 ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive);
2464 device_printf(sc->amr_dev, "blkcount %d lba %d\n",
2465 ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba);
2466 device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length);
2467 device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n",
2468 ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem);
2469 device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio);
2471 /* get base address of s/g table */
2472 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2473 for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++)
2474 device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count);