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 1.99 2012/08/31 09:42:46 scottl Exp $
61 * Driver for the AMI MegaRaid family of controllers.
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/malloc.h>
69 #include <sys/kernel.h>
71 #include <sys/sysctl.h>
72 #include <sys/sysmsg.h>
79 #include <machine/cpu.h>
82 #include <bus/pci/pcireg.h>
83 #include <bus/pci/pcivar.h>
85 #include <dev/raid/amr/amrio.h>
86 #include <dev/raid/amr/amrreg.h>
87 #include <dev/raid/amr/amrvar.h>
88 #define AMR_DEFINE_TABLES
89 #include <dev/raid/amr/amr_tables.h>
91 SYSCTL_NODE(_hw, OID_AUTO, amr, CTLFLAG_RD, 0, "AMR driver parameters");
93 static d_open_t amr_open;
94 static d_close_t amr_close;
95 static d_ioctl_t amr_ioctl;
97 static struct dev_ops amr_ops = {
100 .d_close = amr_close,
101 .d_ioctl = amr_ioctl,
104 int linux_no_adapter = 0;
106 * Initialisation, bus interface.
108 static void amr_startup(void *arg);
113 static int amr_query_controller(struct amr_softc *sc);
114 static void *amr_enquiry(struct amr_softc *sc, size_t bufsize,
115 u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status);
116 static void amr_completeio(struct amr_command *ac);
117 static int amr_support_ext_cdb(struct amr_softc *sc);
120 * Command buffer allocation.
122 static void amr_alloccmd_cluster(struct amr_softc *sc);
123 static void amr_freecmd_cluster(struct amr_command_cluster *acc);
126 * Command processing.
128 static int amr_bio_command(struct amr_softc *sc, struct amr_command **acp);
129 static int amr_wait_command(struct amr_command *ac);
130 static int amr_mapcmd(struct amr_command *ac);
131 static void amr_unmapcmd(struct amr_command *ac);
132 static int amr_start(struct amr_command *ac);
133 static void amr_complete(void *context, ac_qhead_t *head);
134 static void amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
135 static void amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
136 static void amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegments, int error);
137 static void amr_abort_load(struct amr_command *ac);
140 * Interface-specific shims
142 static int amr_quartz_submit_command(struct amr_command *ac);
143 static int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
144 static int amr_quartz_poll_command(struct amr_command *ac);
145 static int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac);
147 static int amr_std_submit_command(struct amr_command *ac);
148 static int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
149 static int amr_std_poll_command(struct amr_command *ac);
150 static void amr_std_attach_mailbox(struct amr_softc *sc);
152 #ifdef AMR_BOARD_INIT
153 static int amr_quartz_init(struct amr_softc *sc);
154 static int amr_std_init(struct amr_softc *sc);
160 static void amr_describe_controller(struct amr_softc *sc);
163 static void amr_printcommand(struct amr_command *ac);
167 static void amr_init_sysctl(struct amr_softc *sc);
168 static int amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr,
169 int32_t flag, struct sysmsg *sm);
171 static MALLOC_DEFINE(M_AMR, "amr", "AMR memory");
173 /********************************************************************************
174 ********************************************************************************
176 ********************************************************************************
177 ********************************************************************************/
179 /********************************************************************************
180 ********************************************************************************
182 ********************************************************************************
183 ********************************************************************************/
185 /********************************************************************************
186 * Initialise the controller and softc.
189 amr_attach(struct amr_softc *sc)
196 * Initialise per-controller queues.
198 amr_init_qhead(&sc->amr_freecmds);
199 amr_init_qhead(&sc->amr_ready);
200 TAILQ_INIT(&sc->amr_cmd_clusters);
201 bioq_init(&sc->amr_bioq);
203 debug(2, "queue init done");
206 * Configure for this controller type.
208 if (AMR_IS_QUARTZ(sc)) {
209 sc->amr_submit_command = amr_quartz_submit_command;
210 sc->amr_get_work = amr_quartz_get_work;
211 sc->amr_poll_command = amr_quartz_poll_command;
212 sc->amr_poll_command1 = amr_quartz_poll_command1;
214 sc->amr_submit_command = amr_std_submit_command;
215 sc->amr_get_work = amr_std_get_work;
216 sc->amr_poll_command = amr_std_poll_command;
217 amr_std_attach_mailbox(sc);
220 #ifdef AMR_BOARD_INIT
221 if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc)))
226 * Allocate initial commands.
228 amr_alloccmd_cluster(sc);
231 * Quiz controller for features and limits.
233 if (amr_query_controller(sc))
236 debug(2, "controller query complete");
239 * preallocate the remaining commands.
241 while (sc->amr_nextslot < sc->amr_maxio)
242 amr_alloccmd_cluster(sc);
247 sysctl_ctx_init(&sc->amr_sysctl_ctx);
248 sc->amr_sysctl_tree = SYSCTL_ADD_NODE(&sc->amr_sysctl_ctx,
249 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
250 device_get_nameunit(sc->amr_dev), CTLFLAG_RD, 0, "");
251 if (sc->amr_sysctl_tree == NULL) {
252 device_printf(sc->amr_dev, "can't add sysctl node\n");
258 * Attach our 'real' SCSI channels to CAM.
260 child = device_add_child(sc->amr_dev, "amrp", -1);
261 sc->amr_pass = child;
263 device_set_softc(child, sc);
264 device_set_desc(child, "SCSI Passthrough Bus");
265 bus_generic_attach(sc->amr_dev);
269 * Create the control device.
271 sc->amr_dev_t = make_dev(&amr_ops, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR,
272 S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev));
273 sc->amr_dev_t->si_drv1 = sc;
275 if (device_get_unit(sc->amr_dev) == 0)
276 make_dev_alias(sc->amr_dev_t, "megadev0");
279 * Schedule ourselves to bring the controller up once interrupts are
282 bzero(&sc->amr_ich, sizeof(struct intr_config_hook));
283 sc->amr_ich.ich_func = amr_startup;
284 sc->amr_ich.ich_arg = sc;
285 sc->amr_ich.ich_desc = "amr";
286 if (config_intrhook_establish(&sc->amr_ich) != 0) {
287 device_printf(sc->amr_dev, "can't establish configuration hook\n");
292 * Print a little information about the controller.
294 amr_describe_controller(sc);
296 debug(2, "attach complete");
300 /********************************************************************************
301 * Locate disk resources and attach children to them.
304 amr_startup(void *arg)
306 struct amr_softc *sc = (struct amr_softc *)arg;
307 struct amr_logdrive *dr;
312 /* pull ourselves off the intrhook chain */
313 if (sc->amr_ich.ich_func)
314 config_intrhook_disestablish(&sc->amr_ich);
315 sc->amr_ich.ich_func = NULL;
317 /* get up-to-date drive information */
318 if (amr_query_controller(sc)) {
319 device_printf(sc->amr_dev, "can't scan controller for drives\n");
323 /* iterate over available drives */
324 for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) {
325 /* are we already attached to this drive? */
326 if (dr->al_disk == 0) {
327 /* generate geometry information */
328 if (dr->al_size > 0x200000) { /* extended translation? */
335 dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors);
337 dr->al_disk = device_add_child(sc->amr_dev, NULL, -1);
338 if (dr->al_disk == 0)
339 device_printf(sc->amr_dev, "device_add_child failed\n");
340 device_set_ivars(dr->al_disk, dr);
344 if ((error = bus_generic_attach(sc->amr_dev)) != 0)
345 device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error);
347 /* mark controller back up */
348 sc->amr_state &= ~AMR_STATE_SHUTDOWN;
350 /* interrupts will be enabled before we do anything more */
351 sc->amr_state |= AMR_STATE_INTEN;
357 amr_init_sysctl(struct amr_softc *sc)
360 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
361 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
362 OID_AUTO, "allow_volume_configure", CTLFLAG_RW, &sc->amr_allow_vol_config, 0,
364 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
365 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
366 OID_AUTO, "nextslot", CTLFLAG_RD, &sc->amr_nextslot, 0,
368 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
369 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
370 OID_AUTO, "busyslots", CTLFLAG_RD, &sc->amr_busyslots, 0,
372 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
373 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
374 OID_AUTO, "maxio", CTLFLAG_RD, &sc->amr_maxio, 0,
379 /*******************************************************************************
380 * Free resources associated with a controller instance
383 amr_free(struct amr_softc *sc)
385 struct amr_command_cluster *acc;
387 /* detach from CAM */
388 if (sc->amr_pass != NULL)
389 device_delete_child(sc->amr_dev, sc->amr_pass);
391 /* throw away any command buffers */
392 while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) {
393 TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link);
394 amr_freecmd_cluster(acc);
397 /* destroy control device */
398 if(sc->amr_dev_t != NULL)
399 destroy_dev(sc->amr_dev_t);
400 dev_ops_remove_minor(&amr_ops, device_get_unit(sc->amr_dev));
402 #if 0 /* XXX swildner */
403 if (mtx_initialized(&sc->amr_hw_lock))
404 mtx_destroy(&sc->amr_hw_lock);
406 if (mtx_initialized(&sc->amr_list_lock))
407 mtx_destroy(&sc->amr_list_lock);
410 if (sc->amr_sysctl_tree != NULL)
411 sysctl_ctx_free(&sc->amr_sysctl_ctx);
413 lockuninit(&sc->amr_hw_lock);
414 lockuninit(&sc->amr_list_lock);
417 /*******************************************************************************
418 * Receive a bio structure from a child device and queue it on a particular
419 * disk resource, then poke the disk resource to start as much work as it can.
422 amr_submit_bio(struct amr_softc *sc, struct bio *bio)
426 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
427 amr_enqueue_bio(sc, bio);
429 lockmgr(&sc->amr_list_lock, LK_RELEASE);
433 /********************************************************************************
434 * Accept an open operation on the control device.
437 amr_open(struct dev_open_args *ap)
439 cdev_t dev = ap->a_head.a_dev;
440 int unit = minor(dev);
441 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
445 sc->amr_state |= AMR_STATE_OPEN;
449 /********************************************************************************
450 * Accept the last close on the control device.
453 amr_close(struct dev_close_args *ap)
455 cdev_t dev = ap->a_head.a_dev;
456 int unit = minor(dev);
457 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
461 sc->amr_state &= ~AMR_STATE_OPEN;
465 /********************************************************************************
466 * Handle controller-specific control operations.
469 amr_rescan_drives(struct cdev *dev)
471 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
474 sc->amr_state |= AMR_STATE_REMAP_LD;
475 while (sc->amr_busyslots) {
476 device_printf(sc->amr_dev, "idle controller\n");
480 /* mark ourselves as in-shutdown */
481 sc->amr_state |= AMR_STATE_SHUTDOWN;
483 /* flush controller */
484 device_printf(sc->amr_dev, "flushing cache...");
485 kprintf("%s\n", amr_flush(sc) ? "failed" : "done");
487 /* delete all our child devices */
488 for(i = 0 ; i < AMR_MAXLD; i++) {
489 if(sc->amr_drive[i].al_disk != 0) {
490 if((error = device_delete_child(sc->amr_dev,
491 sc->amr_drive[i].al_disk)) != 0)
494 sc->amr_drive[i].al_disk = 0;
503 * Bug-for-bug compatibility with Linux!
504 * Some apps will send commands with inlen and outlen set to 0,
505 * even though they expect data to be transfered to them from the
506 * card. Linux accidentally allows this by allocating a 4KB
507 * buffer for the transfer anyways, but it then throws it away
508 * without copying it back to the app.
510 * The amr(4) firmware relies on this feature. In fact, it assumes
511 * the buffer is always a power of 2 up to a max of 64k. There is
512 * also at least one case where it assumes a buffer less than 16k is
513 * greater than 16k. Force a minimum buffer size of 32k and round
514 * sizes between 32k and 64k up to 64k as a workaround.
517 amr_ioctl_buffer_length(unsigned long len)
520 if (len <= 32 * 1024)
522 if (len <= 64 * 1024)
528 amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag,
531 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
532 struct amr_command *ac;
533 struct amr_mailbox *mb;
534 struct amr_linux_ioctl ali;
537 int len, ac_flags = 0;
538 int logical_drives_changed = 0;
539 u_int32_t linux_version = 0x02100000;
541 struct amr_passthrough *ap; /* 60 bytes */
548 if ((error = copyin(addr, &ali, sizeof(ali))) != 0)
550 switch (ali.ui.fcs.opcode) {
552 switch(ali.ui.fcs.subopcode) {
554 copyout(&linux_version, (void *)(uintptr_t)ali.data,
555 sizeof(linux_version));
560 copyout(&linux_no_adapter, (void *)(uintptr_t)ali.data,
561 sizeof(linux_no_adapter));
562 sm->sm_result.iresult = linux_no_adapter;
567 kprintf("Unknown subopcode\n");
575 if (ali.ui.fcs.opcode == 0x80)
576 len = max(ali.outlen, ali.inlen);
578 len = ali.ui.fcs.length;
580 mb = (void *)&ali.mbox[0];
582 if ((ali.mbox[0] == FC_DEL_LOGDRV && ali.mbox[2] == OP_DEL_LOGDRV) || /* delete */
583 (ali.mbox[0] == AMR_CMD_CONFIG && ali.mbox[2] == 0x0d)) { /* create */
584 if (sc->amr_allow_vol_config == 0) {
588 logical_drives_changed = 1;
591 if (ali.mbox[0] == AMR_CMD_PASS) {
592 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
593 while ((ac = amr_alloccmd(sc)) == NULL)
594 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
595 lockmgr(&sc->amr_list_lock, LK_RELEASE);
596 ap = &ac->ac_ccb->ccb_pthru;
598 error = copyin((void *)(uintptr_t)mb->mb_physaddr, ap,
599 sizeof(struct amr_passthrough));
603 if (ap->ap_data_transfer_length)
604 dp = kmalloc(ap->ap_data_transfer_length, M_AMR,
608 error = copyin((void *)(uintptr_t)ap->ap_data_transfer_address,
609 dp, ap->ap_data_transfer_length);
614 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT|AMR_CMD_CCB;
615 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
616 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
617 ac->ac_flags = ac_flags;
620 ac->ac_length = ap->ap_data_transfer_length;
621 temp = (void *)(uintptr_t)ap->ap_data_transfer_address;
623 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
624 error = amr_wait_command(ac);
625 lockmgr(&sc->amr_list_lock, LK_RELEASE);
629 status = ac->ac_status;
630 error = copyout(&status, &((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_scsi_status, sizeof(status));
635 error = copyout(dp, temp, ap->ap_data_transfer_length);
639 error = copyout(ap->ap_request_sense_area, ((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_request_sense_area, ap->ap_request_sense_length);
645 } else if (ali.mbox[0] == AMR_CMD_PASS_64) {
646 kprintf("No AMR_CMD_PASS_64\n");
649 } else if (ali.mbox[0] == AMR_CMD_EXTPASS) {
650 kprintf("No AMR_CMD_EXTPASS\n");
654 len = amr_ioctl_buffer_length(imax(ali.inlen, ali.outlen));
656 dp = kmalloc(len, M_AMR, M_WAITOK | M_ZERO);
659 error = copyin((void *)(uintptr_t)mb->mb_physaddr, dp, len);
664 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
665 while ((ac = amr_alloccmd(sc)) == NULL)
666 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
668 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
669 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
670 bcopy(&ali.mbox[0], &ac->ac_mailbox, sizeof(ali.mbox));
674 ac->ac_flags = ac_flags;
676 error = amr_wait_command(ac);
677 lockmgr(&sc->amr_list_lock, LK_RELEASE);
681 status = ac->ac_status;
682 error = copyout(&status, &((struct amr_mailbox *)&((struct amr_linux_ioctl *)addr)->mbox[0])->mb_status, sizeof(status));
684 error = copyout(dp, (void *)(uintptr_t)mb->mb_physaddr, ali.outlen);
690 if (logical_drives_changed)
691 amr_rescan_drives(dev);
697 debug(1, "unknown linux ioctl 0x%lx", cmd);
698 kprintf("unknown linux ioctl 0x%lx\n", cmd);
704 * At this point, we know that there is a lock held and that these
705 * objects have been allocated.
707 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
710 lockmgr(&sc->amr_list_lock, LK_RELEASE);
717 amr_ioctl(struct dev_ioctl_args *ap)
719 cdev_t dev = ap->a_head.a_dev;
720 caddr_t addr = ap->a_data;
721 u_long cmd = ap->a_cmd;
722 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
725 struct amr_user_ioctl *au;
726 #ifdef AMR_IO_COMMAND32
727 struct amr_user_ioctl32 *au32;
731 struct amr_command *ac;
732 struct amr_mailbox_ioctl *mbi;
733 void *dp, *au_buffer;
734 unsigned long au_length, real_length;
735 unsigned char *au_cmd;
738 struct amr_passthrough *_ap; /* 60 bytes */
739 int logical_drives_changed = 0;
743 arg._p = (void *)addr;
753 debug(1, "AMR_IO_VERSION");
754 *arg.result = AMR_IO_VERSION_NUMBER;
757 #ifdef AMR_IO_COMMAND32
759 * Accept ioctl-s from 32-bit binaries on non-32-bit
760 * platforms, such as AMD. LSI's MEGAMGR utility is
761 * the only example known today... -mi
763 case AMR_IO_COMMAND32:
764 debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]);
765 au_cmd = arg.au32->au_cmd;
766 au_buffer = (void *)(u_int64_t)arg.au32->au_buffer;
767 au_length = arg.au32->au_length;
768 au_statusp = &arg.au32->au_status;
773 debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]);
774 au_cmd = arg.au->au_cmd;
775 au_buffer = (void *)arg.au->au_buffer;
776 au_length = arg.au->au_length;
777 au_statusp = &arg.au->au_status;
781 case 0xc06e6d00: /* Linux emulation */
784 struct amr_linux_ioctl ali;
787 devclass = devclass_find("amr");
788 if (devclass == NULL)
791 error = copyin(addr, &ali, sizeof(ali));
794 if (ali.ui.fcs.opcode == 0x82)
797 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
799 sc = devclass_get_softc(devclass, adapter);
803 return (amr_linux_ioctl_int(sc->amr_dev_t, cmd, addr, 0, ap->a_sysmsg));
806 debug(1, "unknown ioctl 0x%lx", cmd);
810 if ((au_cmd[0] == FC_DEL_LOGDRV && au_cmd[1] == OP_DEL_LOGDRV) || /* delete */
811 (au_cmd[0] == AMR_CMD_CONFIG && au_cmd[1] == 0x0d)) { /* create */
812 if (sc->amr_allow_vol_config == 0) {
816 logical_drives_changed = 1;
819 /* handle inbound data buffer */
820 real_length = amr_ioctl_buffer_length(au_length);
821 if (au_length != 0 && au_cmd[0] != 0x06) {
822 if ((dp = kmalloc(real_length, M_AMR, M_WAITOK|M_ZERO)) == NULL) {
826 if ((error = copyin(au_buffer, dp, au_length)) != 0) {
830 debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp);
833 /* Allocate this now before the mutex gets held */
835 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
836 while ((ac = amr_alloccmd(sc)) == NULL)
837 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
839 /* handle SCSI passthrough command */
840 if (au_cmd[0] == AMR_CMD_PASS) {
843 _ap = &ac->ac_ccb->ccb_pthru;
844 bzero(_ap, sizeof(struct amr_passthrough));
848 _ap->ap_cdb_length = len;
849 bcopy(au_cmd + 3, _ap->ap_cdb, len);
851 /* build passthrough */
852 _ap->ap_timeout = au_cmd[len + 3] & 0x07;
853 _ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0;
854 _ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0;
855 _ap->ap_logical_drive_no = au_cmd[len + 4];
856 _ap->ap_channel = au_cmd[len + 5];
857 _ap->ap_scsi_id = au_cmd[len + 6];
858 _ap->ap_request_sense_length = 14;
859 _ap->ap_data_transfer_length = au_length;
860 /* XXX what about the request-sense area? does the caller want it? */
863 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
864 ac->ac_flags = AMR_CMD_CCB;
867 /* direct command to controller */
868 mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox;
870 /* copy pertinent mailbox items */
871 mbi->mb_command = au_cmd[0];
872 mbi->mb_channel = au_cmd[1];
873 mbi->mb_param = au_cmd[2];
874 mbi->mb_pad[0] = au_cmd[3];
875 mbi->mb_drive = au_cmd[4];
879 /* build the command */
881 ac->ac_length = real_length;
882 ac->ac_flags |= AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
884 /* run the command */
885 error = amr_wait_command(ac);
886 lockmgr(&sc->amr_list_lock, LK_RELEASE);
890 /* copy out data and set status */
891 if (au_length != 0) {
892 error = copyout(dp, au_buffer, au_length);
894 debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer);
896 debug(2, "%p status 0x%x", dp, ac->ac_status);
897 *au_statusp = ac->ac_status;
901 * At this point, we know that there is a lock held and that these
902 * objects have been allocated.
904 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
907 lockmgr(&sc->amr_list_lock, LK_RELEASE);
911 if (logical_drives_changed)
912 amr_rescan_drives(dev);
917 /********************************************************************************
918 ********************************************************************************
920 ********************************************************************************
921 ********************************************************************************/
923 /********************************************************************************
924 * Interrogate the controller for the operational parameters we require.
927 amr_query_controller(struct amr_softc *sc)
929 struct amr_enquiry3 *aex;
930 struct amr_prodinfo *ap;
931 struct amr_enquiry *ae;
936 * Greater than 10 byte cdb support
938 sc->support_ext_cdb = amr_support_ext_cdb(sc);
940 if(sc->support_ext_cdb) {
941 debug(2,"supports extended CDBs.");
945 * Try to issue an ENQUIRY3 command
947 if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3,
948 AMR_CONFIG_ENQ3_SOLICITED_FULL, &status)) != NULL) {
951 * Fetch current state of logical drives.
953 for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) {
954 sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv];
955 sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv];
956 sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv];
957 debug(2, " drive %d: %d state %x properties %x", ldrv, sc->amr_drive[ldrv].al_size,
958 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
963 * Get product info for channel count.
965 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) == NULL) {
966 device_printf(sc->amr_dev, "can't obtain product data from controller\n");
969 sc->amr_maxdrives = 40;
970 sc->amr_maxchan = ap->ap_nschan;
971 sc->amr_maxio = ap->ap_maxio;
972 sc->amr_type |= AMR_TYPE_40LD;
975 ap = amr_enquiry(sc, 0, FC_DEL_LOGDRV, OP_SUP_DEL_LOGDRV, 0, &status);
979 sc->amr_ld_del_supported = 1;
980 device_printf(sc->amr_dev, "delete logical drives supported by controller\n");
984 /* failed, try the 8LD ENQUIRY commands */
985 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) == NULL) {
986 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) == NULL) {
987 device_printf(sc->amr_dev, "can't obtain configuration data from controller\n");
990 ae->ae_signature = 0;
994 * Fetch current state of logical drives.
996 for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) {
997 sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv];
998 sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv];
999 sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv];
1000 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1001 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1004 sc->amr_maxdrives = 8;
1005 sc->amr_maxchan = ae->ae_adapter.aa_channels;
1006 sc->amr_maxio = ae->ae_adapter.aa_maxio;
1011 * Mark remaining drives as unused.
1013 for (; ldrv < AMR_MAXLD; ldrv++)
1014 sc->amr_drive[ldrv].al_size = 0xffffffff;
1017 * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust
1018 * the controller's reported value, and lockups have been seen when we do.
1020 sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD);
1025 /********************************************************************************
1026 * Run a generic enquiry-style command.
1029 amr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status)
1031 struct amr_command *ac;
1041 /* get ourselves a command buffer */
1042 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1043 ac = amr_alloccmd(sc);
1044 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1047 /* allocate the response structure */
1048 if ((result = kmalloc(bufsize, M_AMR, M_ZERO|M_NOWAIT)) == NULL)
1050 /* set command flags */
1052 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN;
1054 /* point the command at our data */
1055 ac->ac_data = result;
1056 ac->ac_length = bufsize;
1058 /* build the command proper */
1059 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1065 /* can't assume that interrupts are going to work here, so play it safe */
1066 if (sc->amr_poll_command(ac))
1068 error = ac->ac_status;
1069 *status = ac->ac_status;
1072 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1075 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1076 if ((error != 0) && (result != NULL)) {
1077 kfree(result, M_AMR);
1083 /********************************************************************************
1084 * Flush the controller's internal cache, return status.
1087 amr_flush(struct amr_softc *sc)
1089 struct amr_command *ac;
1092 /* get ourselves a command buffer */
1094 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1095 ac = amr_alloccmd(sc);
1096 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1099 /* set command flags */
1100 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1102 /* build the command proper */
1103 ac->ac_mailbox.mb_command = AMR_CMD_FLUSH;
1105 /* we have to poll, as the system may be going down or otherwise damaged */
1106 if (sc->amr_poll_command(ac))
1108 error = ac->ac_status;
1111 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1114 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1118 /********************************************************************************
1119 * Detect extented cdb >> greater than 10 byte cdb support
1120 * returns '1' means this support exist
1121 * returns '0' means this support doesn't exist
1124 amr_support_ext_cdb(struct amr_softc *sc)
1126 struct amr_command *ac;
1130 /* get ourselves a command buffer */
1132 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1133 ac = amr_alloccmd(sc);
1134 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1137 /* set command flags */
1138 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1140 /* build the command proper */
1141 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1146 /* we have to poll, as the system may be going down or otherwise damaged */
1147 if (sc->amr_poll_command(ac))
1149 if( ac->ac_status == AMR_STATUS_SUCCESS ) {
1154 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1157 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1161 /********************************************************************************
1162 * Try to find I/O work for the controller from one or more of the work queues.
1164 * We make the assumption that if the controller is not ready to take a command
1165 * at some given time, it will generate an interrupt at some later time when
1169 amr_startio(struct amr_softc *sc)
1171 struct amr_command *ac;
1173 /* spin until something prevents us from doing any work */
1176 /* Don't bother to queue commands no bounce buffers are available. */
1177 if (sc->amr_state & AMR_STATE_QUEUE_FRZN)
1180 /* try to get a ready command */
1181 ac = amr_dequeue_ready(sc);
1183 /* if that failed, build a command from a bio */
1185 (void)amr_bio_command(sc, &ac);
1187 /* if that failed, build a command from a ccb */
1188 if ((ac == NULL) && (sc->amr_cam_command != NULL))
1189 sc->amr_cam_command(sc, &ac);
1191 /* if we don't have anything to do, give up */
1195 /* try to give the command to the controller; if this fails save it for later and give up */
1196 if (amr_start(ac)) {
1197 debug(2, "controller busy, command deferred");
1198 amr_requeue_ready(ac); /* XXX schedule retry very soon? */
1204 /********************************************************************************
1205 * Handle completion of an I/O command.
1208 amr_completeio(struct amr_command *ac)
1210 struct amr_softc *sc = ac->ac_sc;
1211 static struct timeval lastfail;
1213 struct buf *bp = ac->ac_bio->bio_buf;
1215 if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */
1217 bp->b_flags |= B_ERROR;
1219 if (ppsratecheck(&lastfail, &curfail, 1))
1220 device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status);
1221 /* amr_printcommand(ac);*/
1223 amrd_intr(ac->ac_bio);
1224 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE);
1226 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE);
1229 /********************************************************************************
1230 ********************************************************************************
1232 ********************************************************************************
1233 ********************************************************************************/
1235 /********************************************************************************
1236 * Convert a bio off the top of the bio queue into a command.
1239 amr_bio_command(struct amr_softc *sc, struct amr_command **acp)
1241 struct amr_command *ac;
1242 struct amrd_softc *amrd;
1254 if ((ac = amr_alloccmd(sc)) == NULL)
1257 /* get a bio to work on */
1258 if ((bio = amr_dequeue_bio(sc)) == NULL) {
1263 /* connect the bio to the command */
1265 ac->ac_complete = amr_completeio;
1267 ac->ac_data = bp->b_data;
1268 ac->ac_length = bp->b_bcount;
1270 switch (bp->b_cmd) {
1272 ac->ac_flags |= AMR_CMD_DATAIN;
1273 if (AMR_IS_SG64(sc)) {
1274 cmd = AMR_CMD_LREAD64;
1275 ac->ac_flags |= AMR_CMD_SG64;
1277 cmd = AMR_CMD_LREAD;
1280 ac->ac_flags |= AMR_CMD_DATAOUT;
1281 if (AMR_IS_SG64(sc)) {
1282 cmd = AMR_CMD_LWRITE64;
1283 ac->ac_flags |= AMR_CMD_SG64;
1285 cmd = AMR_CMD_LWRITE;
1288 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1289 cmd = AMR_CMD_FLUSH;
1292 panic("Invalid bio command");
1294 amrd = (struct amrd_softc *)bio->bio_driver_info;
1295 driveno = amrd->amrd_drive - sc->amr_drive;
1296 blkcount = (bp->b_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
1298 ac->ac_mailbox.mb_command = cmd;
1299 if (bp->b_cmd & (BUF_CMD_READ|BUF_CMD_WRITE)) {
1300 ac->ac_mailbox.mb_blkcount = blkcount;
1301 ac->ac_mailbox.mb_lba = bio->bio_offset / AMR_BLKSIZE;
1302 if (((bio->bio_offset / AMR_BLKSIZE) + blkcount) > sc->amr_drive[driveno].al_size) {
1303 device_printf(sc->amr_dev,
1304 "I/O beyond end of unit (%lld,%d > %lu)\n",
1305 (long long)(bio->bio_offset / AMR_BLKSIZE), blkcount,
1306 (u_long)sc->amr_drive[driveno].al_size);
1309 ac->ac_mailbox.mb_drive = driveno;
1310 if (sc->amr_state & AMR_STATE_REMAP_LD)
1311 ac->ac_mailbox.mb_drive |= 0x80;
1313 /* we fill in the s/g related data when the command is mapped */
1320 /********************************************************************************
1321 * Take a command, submit it to the controller and sleep until it completes
1322 * or fails. Interrupts must be enabled, returns nonzero on error.
1325 amr_wait_command(struct amr_command *ac)
1328 struct amr_softc *sc = ac->ac_sc;
1332 ac->ac_complete = NULL;
1333 ac->ac_flags |= AMR_CMD_SLEEP;
1334 if ((error = amr_start(ac)) != 0) {
1338 while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) {
1339 error = lksleep(ac,&sc->amr_list_lock, 0, "amrwcmd", 0);
1345 /********************************************************************************
1346 * Take a command, submit it to the controller and busy-wait for it to return.
1347 * Returns nonzero on error. Can be safely called with interrupts enabled.
1350 amr_std_poll_command(struct amr_command *ac)
1352 struct amr_softc *sc = ac->ac_sc;
1357 ac->ac_complete = NULL;
1358 if ((error = amr_start(ac)) != 0)
1364 * Poll for completion, although the interrupt handler may beat us to it.
1365 * Note that the timeout here is somewhat arbitrary.
1369 } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000));
1370 if (!(ac->ac_flags & AMR_CMD_BUSY)) {
1373 /* XXX the slot is now marked permanently busy */
1375 device_printf(sc->amr_dev, "polled command timeout\n");
1381 amr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1383 struct amr_command *ac = arg;
1384 struct amr_softc *sc = ac->ac_sc;
1388 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1389 ac->ac_status = AMR_STATUS_ABORTED;
1393 amr_setup_sg(arg, segs, nsegs, err);
1395 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1396 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1397 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1398 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1399 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1400 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1402 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1403 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1404 if (AC_IS_SG64(ac)) {
1406 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1409 sc->amr_poll_command1(sc, ac);
1412 /********************************************************************************
1413 * Take a command, submit it to the controller and busy-wait for it to return.
1414 * Returns nonzero on error. Can be safely called with interrupts enabled.
1417 amr_quartz_poll_command(struct amr_command *ac)
1419 struct amr_softc *sc = ac->ac_sc;
1426 if (AC_IS_SG64(ac)) {
1427 ac->ac_tag = sc->amr_buffer64_dmat;
1428 ac->ac_datamap = ac->ac_dma64map;
1430 ac->ac_tag = sc->amr_buffer_dmat;
1431 ac->ac_datamap = ac->ac_dmamap;
1434 /* now we have a slot, we can map the command (unmapped in amr_complete) */
1435 if (ac->ac_data != NULL && ac->ac_length != 0) {
1436 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1437 ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) {
1441 error = amr_quartz_poll_command1(sc, ac);
1448 amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac)
1452 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
1453 if ((sc->amr_state & AMR_STATE_INTEN) == 0) {
1455 while (sc->amr_busyslots) {
1456 lksleep(sc, &sc->amr_hw_lock, PCATCH, "amrpoll", hz);
1462 if(sc->amr_busyslots) {
1463 device_printf(sc->amr_dev, "adapter is busy\n");
1464 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1465 if (ac->ac_data != NULL) {
1466 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1473 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1475 /* clear the poll/ack fields in the mailbox */
1476 sc->amr_mailbox->mb_ident = 0xFE;
1477 sc->amr_mailbox->mb_nstatus = 0xFF;
1478 sc->amr_mailbox->mb_status = 0xFF;
1479 sc->amr_mailbox->mb_poll = 0;
1480 sc->amr_mailbox->mb_ack = 0;
1481 sc->amr_mailbox->mb_busy = 1;
1483 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1485 while(sc->amr_mailbox->mb_nstatus == 0xFF)
1487 while(sc->amr_mailbox->mb_status == 0xFF)
1489 ac->ac_status=sc->amr_mailbox->mb_status;
1490 error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0;
1491 while(sc->amr_mailbox->mb_poll != 0x77)
1493 sc->amr_mailbox->mb_poll = 0;
1494 sc->amr_mailbox->mb_ack = 0x77;
1496 /* acknowledge that we have the commands */
1497 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1498 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
1500 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1502 /* unmap the command's data buffer */
1503 if (ac->ac_flags & AMR_CMD_DATAIN) {
1504 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTREAD);
1506 if (ac->ac_flags & AMR_CMD_DATAOUT) {
1507 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTWRITE);
1509 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1515 amr_freeslot(struct amr_command *ac)
1517 struct amr_softc *sc = ac->ac_sc;
1523 if (sc->amr_busycmd[slot] == NULL)
1524 panic("amr: slot %d not busy?", slot);
1526 sc->amr_busycmd[slot] = NULL;
1527 atomic_subtract_int(&sc->amr_busyslots, 1);
1532 /********************************************************************************
1533 * Map/unmap (ac)'s data in the controller's addressable space as required.
1535 * These functions may be safely called multiple times on a given command.
1538 amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1540 struct amr_command *ac = (struct amr_command *)arg;
1541 struct amr_sgentry *sg;
1542 struct amr_sg64entry *sg64;
1547 /* get base address of s/g table */
1548 sg = ac->ac_sg.sg32;
1549 sg64 = ac->ac_sg.sg64;
1551 if (AC_IS_SG64(ac)) {
1552 ac->ac_nsegments = nsegments;
1553 ac->ac_mb_physaddr = 0xffffffff;
1554 for (i = 0; i < nsegments; i++, sg64++) {
1555 sg64->sg_addr = segs[i].ds_addr;
1556 sg64->sg_count = segs[i].ds_len;
1559 /* decide whether we need to populate the s/g table */
1560 if (nsegments < 2) {
1561 ac->ac_nsegments = 0;
1562 ac->ac_mb_physaddr = segs[0].ds_addr;
1564 ac->ac_nsegments = nsegments;
1565 ac->ac_mb_physaddr = ac->ac_sgbusaddr;
1566 for (i = 0; i < nsegments; i++, sg++) {
1567 sg->sg_addr = segs[i].ds_addr;
1568 sg->sg_count = segs[i].ds_len;
1574 if (ac->ac_flags & AMR_CMD_DATAIN)
1575 flags |= BUS_DMASYNC_PREREAD;
1576 if (ac->ac_flags & AMR_CMD_DATAOUT)
1577 flags |= BUS_DMASYNC_PREWRITE;
1578 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flags);
1579 ac->ac_flags |= AMR_CMD_MAPPED;
1583 amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1585 struct amr_command *ac = arg;
1586 struct amr_softc *sc = ac->ac_sc;
1590 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1595 amr_setup_sg(arg, segs, nsegs, err);
1597 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1598 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1599 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1600 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1601 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1602 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1604 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1605 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1606 if (AC_IS_SG64(ac)) {
1608 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1611 if (sc->amr_submit_command(ac) == EBUSY) {
1613 amr_requeue_ready(ac);
1618 amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1620 struct amr_command *ac = arg;
1621 struct amr_softc *sc = ac->ac_sc;
1622 struct amr_passthrough *ap = &ac->ac_ccb->ccb_pthru;
1623 struct amr_ext_passthrough *aep = &ac->ac_ccb->ccb_epthru;
1626 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1631 /* Set up the mailbox portion of the command to point at the ccb */
1632 ac->ac_mailbox.mb_nsgelem = 0;
1633 ac->ac_mailbox.mb_physaddr = ac->ac_ccb_busaddr;
1635 amr_setup_sg(arg, segs, nsegs, err);
1637 switch (ac->ac_mailbox.mb_command) {
1638 case AMR_CMD_EXTPASS:
1639 aep->ap_no_sg_elements = ac->ac_nsegments;
1640 aep->ap_data_transfer_address = ac->ac_mb_physaddr;
1643 ap->ap_no_sg_elements = ac->ac_nsegments;
1644 ap->ap_data_transfer_address = ac->ac_mb_physaddr;
1647 panic("Unknown ccb command");
1650 if (sc->amr_submit_command(ac) == EBUSY) {
1652 amr_requeue_ready(ac);
1657 amr_mapcmd(struct amr_command *ac)
1659 bus_dmamap_callback_t *cb;
1660 struct amr_softc *sc = ac->ac_sc;
1664 if (AC_IS_SG64(ac)) {
1665 ac->ac_tag = sc->amr_buffer64_dmat;
1666 ac->ac_datamap = ac->ac_dma64map;
1668 ac->ac_tag = sc->amr_buffer_dmat;
1669 ac->ac_datamap = ac->ac_dmamap;
1672 if (ac->ac_flags & AMR_CMD_CCB)
1675 cb = amr_setup_data;
1677 /* if the command involves data at all, and hasn't been mapped */
1678 if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) {
1679 /* map the data buffers into bus space and build the s/g list */
1680 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1681 ac->ac_length, cb, ac, 0) == EINPROGRESS) {
1682 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1685 if (sc->amr_submit_command(ac) == EBUSY) {
1687 amr_requeue_ready(ac);
1695 amr_unmapcmd(struct amr_command *ac)
1701 /* if the command involved data at all and was mapped */
1702 if (ac->ac_flags & AMR_CMD_MAPPED) {
1704 if (ac->ac_data != NULL) {
1707 if (ac->ac_flags & AMR_CMD_DATAIN)
1708 flag |= BUS_DMASYNC_POSTREAD;
1709 if (ac->ac_flags & AMR_CMD_DATAOUT)
1710 flag |= BUS_DMASYNC_POSTWRITE;
1712 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flag);
1713 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1716 ac->ac_flags &= ~AMR_CMD_MAPPED;
1721 amr_abort_load(struct amr_command *ac)
1724 struct amr_softc *sc = ac->ac_sc;
1726 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0);
1728 ac->ac_status = AMR_STATUS_ABORTED;
1729 amr_init_qhead(&head);
1730 amr_enqueue_completed(ac, &head);
1732 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1733 amr_complete(sc, &head);
1734 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1737 /********************************************************************************
1738 * Take a command and give it to the controller, returns 0 if successful, or
1739 * EBUSY if the command should be retried later.
1742 amr_start(struct amr_command *ac)
1744 struct amr_softc *sc;
1750 /* mark command as busy so that polling consumer can tell */
1752 ac->ac_flags |= AMR_CMD_BUSY;
1754 /* get a command slot (freed in amr_done) */
1756 if (sc->amr_busycmd[slot] != NULL)
1757 panic("amr: slot %d busy?", slot);
1758 sc->amr_busycmd[slot] = ac;
1759 atomic_add_int(&sc->amr_busyslots, 1);
1761 /* Now we have a slot, we can map the command (unmapped in amr_complete). */
1762 if ((error = amr_mapcmd(ac)) == ENOMEM) {
1764 * Memroy resources are short, so free the slot and let this be tried
1773 /********************************************************************************
1774 * Extract one or more completed commands from the controller (sc)
1776 * Returns nonzero if any commands on the work queue were marked as completed.
1780 amr_done(struct amr_softc *sc)
1783 struct amr_command *ac;
1784 struct amr_mailbox mbox;
1789 /* See if there's anything for us to do */
1791 amr_init_qhead(&head);
1793 /* loop collecting completed commands */
1795 /* poll for a completed command's identifier and status */
1796 if (sc->amr_get_work(sc, &mbox)) {
1799 /* iterate over completed commands in this result */
1800 for (i = 0; i < mbox.mb_nstatus; i++) {
1801 /* get pointer to busy command */
1802 idx = mbox.mb_completed[i] - 1;
1803 ac = sc->amr_busycmd[idx];
1805 /* really a busy command? */
1808 /* pull the command from the busy index */
1811 /* save status for later use */
1812 ac->ac_status = mbox.mb_status;
1813 amr_enqueue_completed(ac, &head);
1814 debug(3, "completed command with status %x", mbox.mb_status);
1816 device_printf(sc->amr_dev, "bad slot %d completed\n", idx);
1820 break; /* no work */
1823 /* handle completion and timeouts */
1824 amr_complete(sc, &head);
1829 /********************************************************************************
1830 * Do completion processing on done commands on (sc)
1834 amr_complete(void *context, ac_qhead_t *head)
1836 struct amr_softc *sc = (struct amr_softc *)context;
1837 struct amr_command *ac;
1841 /* pull completed commands off the queue */
1843 ac = amr_dequeue_completed(sc, head);
1847 /* unmap the command's data buffer */
1851 * Is there a completion handler?
1853 if (ac->ac_complete != NULL) {
1854 /* unbusy the command */
1855 ac->ac_flags &= ~AMR_CMD_BUSY;
1856 ac->ac_complete(ac);
1859 * Is someone sleeping on this one?
1862 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1863 ac->ac_flags &= ~AMR_CMD_BUSY;
1864 if (ac->ac_flags & AMR_CMD_SLEEP) {
1865 /* unbusy the command */
1868 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1871 if(!sc->amr_busyslots) {
1876 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1877 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
1879 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1882 /********************************************************************************
1883 ********************************************************************************
1884 Command Buffer Management
1885 ********************************************************************************
1886 ********************************************************************************/
1888 /********************************************************************************
1889 * Get a new command buffer.
1891 * This may return NULL in low-memory cases.
1893 * If possible, we recycle a command buffer that's been used before.
1895 struct amr_command *
1896 amr_alloccmd(struct amr_softc *sc)
1898 struct amr_command *ac;
1902 ac = amr_dequeue_free(sc);
1904 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1908 /* clear out significant fields */
1910 bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox));
1914 ac->ac_complete = NULL;
1917 ac->ac_datamap = NULL;
1921 /********************************************************************************
1922 * Release a command buffer for recycling.
1925 amr_releasecmd(struct amr_command *ac)
1929 amr_enqueue_free(ac);
1932 /********************************************************************************
1933 * Allocate a new command cluster and initialise it.
1936 amr_alloccmd_cluster(struct amr_softc *sc)
1938 struct amr_command_cluster *acc;
1939 struct amr_command *ac;
1943 * If we haven't found the real limit yet, let us have a couple of
1944 * commands in order to be able to probe.
1946 if (sc->amr_maxio == 0)
1949 if (sc->amr_nextslot > sc->amr_maxio)
1951 acc = kmalloc(AMR_CMD_CLUSTERSIZE, M_AMR, M_NOWAIT | M_ZERO);
1953 nextslot = sc->amr_nextslot;
1954 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1955 TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link);
1956 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1957 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
1958 ac = &acc->acc_command[i];
1960 ac->ac_slot = nextslot;
1963 * The SG table for each slot is a fixed size and is assumed to
1964 * to hold 64-bit s/g objects when the driver is configured to do
1965 * 64-bit DMA. 32-bit DMA commands still use the same table, but
1966 * cast down to 32-bit objects.
1968 if (AMR_IS_SG64(sc)) {
1969 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
1970 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sg64entry));
1971 ac->ac_sg.sg64 = sc->amr_sg64table + (ac->ac_slot * AMR_NSEG);
1973 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
1974 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
1975 ac->ac_sg.sg32 = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
1978 ac->ac_ccb = sc->amr_ccb + ac->ac_slot;
1979 ac->ac_ccb_busaddr = sc->amr_ccb_busaddr +
1980 (ac->ac_slot * sizeof(union amr_ccb));
1982 if (bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap))
1984 if (AMR_IS_SG64(sc) &&
1985 (bus_dmamap_create(sc->amr_buffer64_dmat, 0,&ac->ac_dma64map)))
1988 if (++nextslot > sc->amr_maxio)
1991 sc->amr_nextslot = nextslot;
1995 /********************************************************************************
1996 * Free a command cluster
1999 amr_freecmd_cluster(struct amr_command_cluster *acc)
2001 struct amr_softc *sc = acc->acc_command[0].ac_sc;
2004 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2005 if (acc->acc_command[i].ac_sc == NULL)
2007 bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap);
2008 if (AMR_IS_SG64(sc))
2009 bus_dmamap_destroy(sc->amr_buffer64_dmat, acc->acc_command[i].ac_dma64map);
2014 /********************************************************************************
2015 ********************************************************************************
2016 Interface-specific Shims
2017 ********************************************************************************
2018 ********************************************************************************/
2020 /********************************************************************************
2021 * Tell the controller that the mailbox contains a valid command
2024 amr_quartz_submit_command(struct amr_command *ac)
2026 struct amr_softc *sc = ac->ac_sc;
2027 static struct timeval lastfail;
2031 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2032 while (sc->amr_mailbox->mb_busy && (i++ < 10)) {
2034 /* This is a no-op read that flushes pending mailbox updates */
2037 if (sc->amr_mailbox->mb_busy) {
2038 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2039 if (ac->ac_retries++ > 1000) {
2040 if (ppsratecheck(&lastfail, &curfail, 1))
2041 device_printf(sc->amr_dev, "Too many retries on command %p. "
2042 "Controller is likely dead\n", ac);
2049 * Save the slot number so that we can locate this command when complete.
2050 * Note that ident = 0 seems to be special, so we don't use it.
2052 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2053 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2054 sc->amr_mailbox->mb_busy = 1;
2055 sc->amr_mailbox->mb_poll = 0;
2056 sc->amr_mailbox->mb_ack = 0;
2057 sc->amr_mailbox64->sg64_hi = ac->ac_sg64_hi;
2058 sc->amr_mailbox64->sg64_lo = ac->ac_sg64_lo;
2060 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
2061 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2066 amr_std_submit_command(struct amr_command *ac)
2068 struct amr_softc *sc = ac->ac_sc;
2069 static struct timeval lastfail;
2072 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2073 if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) {
2074 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2075 if (ac->ac_retries++ > 1000) {
2076 if (ppsratecheck(&lastfail, &curfail, 1))
2077 device_printf(sc->amr_dev, "Too many retries on command %p. "
2078 "Controller is likely dead\n", ac);
2085 * Save the slot number so that we can locate this command when complete.
2086 * Note that ident = 0 seems to be special, so we don't use it.
2088 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2089 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2090 sc->amr_mailbox->mb_busy = 1;
2091 sc->amr_mailbox->mb_poll = 0;
2092 sc->amr_mailbox->mb_ack = 0;
2094 AMR_SPOST_COMMAND(sc);
2095 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2099 /********************************************************************************
2100 * Claim any work that the controller has completed; acknowledge completion,
2101 * save details of the completion in (mbsave)
2104 amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2109 u_int8_t completed[46];
2115 /* work waiting for us? */
2116 if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) {
2118 /* acknowledge interrupt */
2119 AMR_QPUT_ODB(sc, AMR_QODB_READY);
2121 while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff)
2123 sc->amr_mailbox->mb_nstatus = 0xff;
2125 /* wait until fw wrote out all completions */
2126 for (i = 0; i < nstatus; i++) {
2127 while ((completed[i] = sc->amr_mailbox->mb_completed[i]) == 0xff)
2129 sc->amr_mailbox->mb_completed[i] = 0xff;
2132 /* Save information for later processing */
2133 mbsave->mb_nstatus = nstatus;
2134 mbsave->mb_status = sc->amr_mailbox->mb_status;
2135 sc->amr_mailbox->mb_status = 0xff;
2137 for (i = 0; i < nstatus; i++)
2138 mbsave->mb_completed[i] = completed[i];
2140 /* acknowledge that we have the commands */
2141 AMR_QPUT_IDB(sc, AMR_QIDB_ACK);
2144 #ifndef AMR_QUARTZ_GOFASTER
2146 * This waits for the controller to notice that we've taken the
2147 * command from it. It's very inefficient, and we shouldn't do it,
2148 * but if we remove this code, we stop completing commands under
2151 * Peter J says we shouldn't do this. The documentation says we
2152 * should. Who is right?
2154 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
2155 ; /* XXX aiee! what if it dies? */
2159 worked = 1; /* got some work */
2166 amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2175 /* check for valid interrupt status */
2176 istat = AMR_SGET_ISTAT(sc);
2177 if ((istat & AMR_SINTR_VALID) != 0) {
2178 AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */
2180 /* save mailbox, which contains a list of completed commands */
2181 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
2183 AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */
2190 /********************************************************************************
2191 * Notify the controller of the mailbox location.
2194 amr_std_attach_mailbox(struct amr_softc *sc)
2197 /* program the mailbox physical address */
2198 AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff);
2199 AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff);
2200 AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff);
2201 AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff);
2202 AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR);
2204 /* clear any outstanding interrupt and enable interrupts proper */
2205 AMR_SACK_INTERRUPT(sc);
2206 AMR_SENABLE_INTR(sc);
2209 #ifdef AMR_BOARD_INIT
2210 /********************************************************************************
2211 * Initialise the controller
2214 amr_quartz_init(struct amr_softc *sc)
2216 int status, ostatus;
2218 device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc));
2223 while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) {
2224 if (status != ostatus) {
2225 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status));
2229 case AMR_QINIT_NOMEM:
2232 case AMR_QINIT_SCAN:
2233 /* XXX we could print channel/target here */
2241 amr_std_init(struct amr_softc *sc)
2243 int status, ostatus;
2245 device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc));
2250 while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) {
2251 if (status != ostatus) {
2252 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status));
2256 case AMR_SINIT_NOMEM:
2259 case AMR_SINIT_INPROG:
2260 /* XXX we could print channel/target here? */
2268 /********************************************************************************
2269 ********************************************************************************
2271 ********************************************************************************
2272 ********************************************************************************/
2274 /********************************************************************************
2275 * Identify the controller and print some information about it.
2278 amr_describe_controller(struct amr_softc *sc)
2280 struct amr_prodinfo *ap;
2281 struct amr_enquiry *ae;
2286 * Try to get 40LD product info, which tells us what the card is labelled as.
2288 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) != NULL) {
2289 device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n",
2290 ap->ap_product, ap->ap_firmware, ap->ap_bios,
2298 * Try 8LD extended ENQUIRY to get controller signature, and use lookup table.
2300 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) != NULL) {
2301 prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature);
2303 } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) != NULL) {
2306 * Try to work it out based on the PCI signatures.
2308 switch (pci_get_device(sc->amr_dev)) {
2310 prod = "Series 428";
2313 prod = "Series 434";
2316 prod = "unknown controller";
2320 device_printf(sc->amr_dev, "<unsupported controller>\n");
2325 * HP NetRaid controllers have a special encoding of the firmware and
2326 * BIOS versions. The AMI version seems to have it as strings whereas
2327 * the HP version does it with a leading uppercase character and two
2331 if(ae->ae_adapter.aa_firmware[2] >= 'A' &&
2332 ae->ae_adapter.aa_firmware[2] <= 'Z' &&
2333 ae->ae_adapter.aa_firmware[1] < ' ' &&
2334 ae->ae_adapter.aa_firmware[0] < ' ' &&
2335 ae->ae_adapter.aa_bios[2] >= 'A' &&
2336 ae->ae_adapter.aa_bios[2] <= 'Z' &&
2337 ae->ae_adapter.aa_bios[1] < ' ' &&
2338 ae->ae_adapter.aa_bios[0] < ' ') {
2340 /* this looks like we have an HP NetRaid version of the MegaRaid */
2342 if(ae->ae_signature == AMR_SIG_438) {
2343 /* the AMI 438 is a NetRaid 3si in HP-land */
2344 prod = "HP NetRaid 3si";
2347 device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n",
2348 prod, ae->ae_adapter.aa_firmware[2],
2349 ae->ae_adapter.aa_firmware[1],
2350 ae->ae_adapter.aa_firmware[0],
2351 ae->ae_adapter.aa_bios[2],
2352 ae->ae_adapter.aa_bios[1],
2353 ae->ae_adapter.aa_bios[0],
2354 ae->ae_adapter.aa_memorysize);
2356 device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n",
2357 prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios,
2358 ae->ae_adapter.aa_memorysize);
2364 amr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks)
2366 struct amr_command *ac;
2371 sc->amr_state |= AMR_STATE_INTEN;
2373 /* get ourselves a command buffer */
2374 if ((ac = amr_alloccmd(sc)) == NULL)
2376 /* set command flags */
2377 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
2379 /* point the command at our data */
2381 ac->ac_length = blks * AMR_BLKSIZE;
2383 /* build the command proper */
2384 ac->ac_mailbox.mb_command = AMR_CMD_LWRITE;
2385 ac->ac_mailbox.mb_blkcount = blks;
2386 ac->ac_mailbox.mb_lba = lba;
2387 ac->ac_mailbox.mb_drive = unit;
2389 /* can't assume that interrupts are going to work here, so play it safe */
2390 if (sc->amr_poll_command(ac))
2392 error = ac->ac_status;
2398 sc->amr_state &= ~AMR_STATE_INTEN;
2405 /********************************************************************************
2406 * Print the command (ac) in human-readable format
2410 amr_printcommand(struct amr_command *ac)
2412 struct amr_softc *sc = ac->ac_sc;
2413 struct amr_sgentry *sg;
2416 device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n",
2417 ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive);
2418 device_printf(sc->amr_dev, "blkcount %d lba %d\n",
2419 ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba);
2420 device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length);
2421 device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n",
2422 ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem);
2423 device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio);
2425 /* get base address of s/g table */
2426 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2427 for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++)
2428 device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count);