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 1.95 2010/01/07 21:01:37 mbr 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 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 != (struct cdev *)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;
466 amr_del_ld(struct amr_softc *sc, int drv_no, int status)
471 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
472 sc->amr_state &= ~AMR_STATE_LD_DELETE;
473 sc->amr_state |= AMR_STATE_REMAP_LD;
474 debug(1, "State Set");
477 debug(1, "disk begin destroyed %d",drv_no);
478 if (--amr_disks_registered == 0)
479 cdevsw_remove(&amrddisk_cdevsw);
480 debug(1, "disk begin destroyed success");
486 amr_prepare_ld_delete(struct amr_softc *sc)
490 if (sc->ld_del_supported == 0)
493 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
494 sc->amr_state |= AMR_STATE_LD_DELETE;
496 /* 5 minutes for the all the commands to be flushed.*/
497 tsleep((void *)&sc->ld_del_supported, PCATCH,"delete_logical_drv",hz * 60 * 1);
498 if ( sc->amr_busyslots )
505 /********************************************************************************
506 * Accept the last close on the control device.
509 amr_close(struct dev_close_args *ap)
511 cdev_t dev = ap->a_head.a_dev;
512 int unit = minor(dev);
513 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
517 sc->amr_state &= ~AMR_STATE_OPEN;
521 /********************************************************************************
522 * Handle controller-specific control operations.
525 amr_rescan_drives(struct cdev *dev)
527 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
530 sc->amr_state |= AMR_STATE_REMAP_LD;
531 while (sc->amr_busyslots) {
532 device_printf(sc->amr_dev, "idle controller\n");
536 /* mark ourselves as in-shutdown */
537 sc->amr_state |= AMR_STATE_SHUTDOWN;
539 /* flush controller */
540 device_printf(sc->amr_dev, "flushing cache...");
541 kprintf("%s\n", amr_flush(sc) ? "failed" : "done");
543 /* delete all our child devices */
544 for(i = 0 ; i < AMR_MAXLD; i++) {
545 if(sc->amr_drive[i].al_disk != 0) {
546 if((error = device_delete_child(sc->amr_dev,
547 sc->amr_drive[i].al_disk)) != 0)
550 sc->amr_drive[i].al_disk = 0;
559 amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag,
562 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
563 struct amr_command *ac;
564 struct amr_mailbox *mb;
565 struct amr_linux_ioctl ali;
568 int adapter, len, ac_flags = 0;
569 int logical_drives_changed = 0;
570 u_int32_t linux_version = 0x02100000;
572 struct amr_passthrough *ap; /* 60 bytes */
579 if ((error = copyin(addr, &ali, sizeof(ali))) != 0)
581 switch (ali.ui.fcs.opcode) {
583 switch(ali.ui.fcs.subopcode) {
585 copyout(&linux_version, (void *)(uintptr_t)ali.data,
586 sizeof(linux_version));
591 copyout(&linux_no_adapter, (void *)(uintptr_t)ali.data,
592 sizeof(linux_no_adapter));
593 sm->sm_result.iresult = linux_no_adapter;
598 kprintf("Unknown subopcode\n");
606 if (ali.ui.fcs.opcode == 0x80)
607 len = max(ali.outlen, ali.inlen);
609 len = ali.ui.fcs.length;
611 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
613 mb = (void *)&ali.mbox[0];
615 if ((ali.mbox[0] == FC_DEL_LOGDRV && ali.mbox[2] == OP_DEL_LOGDRV) || /* delete */
616 (ali.mbox[0] == AMR_CMD_CONFIG && ali.mbox[2] == 0x0d)) { /* create */
617 if (sc->amr_allow_vol_config == 0) {
621 logical_drives_changed = 1;
624 if (ali.mbox[0] == AMR_CMD_PASS) {
625 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
626 while ((ac = amr_alloccmd(sc)) == NULL)
627 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
628 lockmgr(&sc->amr_list_lock, LK_RELEASE);
629 ap = &ac->ac_ccb->ccb_pthru;
631 error = copyin((void *)(uintptr_t)mb->mb_physaddr, ap,
632 sizeof(struct amr_passthrough));
636 if (ap->ap_data_transfer_length)
637 dp = kmalloc(ap->ap_data_transfer_length, M_AMR,
641 error = copyin((void *)(uintptr_t)ap->ap_data_transfer_address,
642 dp, ap->ap_data_transfer_length);
647 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT|AMR_CMD_CCB;
648 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
649 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
650 ac->ac_flags = ac_flags;
653 ac->ac_length = ap->ap_data_transfer_length;
654 temp = (void *)(uintptr_t)ap->ap_data_transfer_address;
656 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
657 error = amr_wait_command(ac);
658 lockmgr(&sc->amr_list_lock, LK_RELEASE);
662 status = ac->ac_status;
663 error = copyout(&status, &((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_scsi_status, sizeof(status));
668 error = copyout(dp, temp, ap->ap_data_transfer_length);
672 error = copyout(ap->ap_request_sense_area, ((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_request_sense_area, ap->ap_request_sense_length);
678 } else if (ali.mbox[0] == AMR_CMD_PASS_64) {
679 kprintf("No AMR_CMD_PASS_64\n");
682 } else if (ali.mbox[0] == AMR_CMD_EXTPASS) {
683 kprintf("No AMR_CMD_EXTPASS\n");
688 * Bug-for-bug compatibility with Linux!
689 * Some apps will send commands with inlen and outlen set to 0,
690 * even though they expect data to be transfered to them from the
691 * card. Linux accidentally allows this by allocating a 4KB
692 * buffer for the transfer anyways, but it then throws it away
693 * without copying it back to the app.
698 dp = kmalloc(len, M_AMR, M_WAITOK | M_ZERO);
701 error = copyin((void *)(uintptr_t)mb->mb_physaddr, dp, len);
706 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
707 while ((ac = amr_alloccmd(sc)) == NULL)
708 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
710 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
711 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
712 bcopy(&ali.mbox[0], &ac->ac_mailbox, sizeof(ali.mbox));
716 ac->ac_flags = ac_flags;
718 error = amr_wait_command(ac);
719 lockmgr(&sc->amr_list_lock, LK_RELEASE);
723 status = ac->ac_status;
724 error = copyout(&status, &((struct amr_mailbox *)&((struct amr_linux_ioctl *)addr)->mbox[0])->mb_status, sizeof(status));
726 error = copyout(dp, (void *)(uintptr_t)mb->mb_physaddr, len);
732 if (logical_drives_changed)
733 amr_rescan_drives(dev);
739 debug(1, "unknown linux ioctl 0x%lx", cmd);
740 kprintf("unknown linux ioctl 0x%lx\n", cmd);
746 * At this point, we know that there is a lock held and that these
747 * objects have been allocated.
749 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
752 lockmgr(&sc->amr_list_lock, LK_RELEASE);
759 amr_ioctl(struct dev_ioctl_args *ap)
761 cdev_t dev = ap->a_head.a_dev;
762 caddr_t addr = ap->a_data;
763 u_long cmd = ap->a_cmd;
764 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
767 struct amr_user_ioctl *au;
768 #ifdef AMR_IO_COMMAND32
769 struct amr_user_ioctl32 *au32;
773 struct amr_command *ac;
774 struct amr_mailbox_ioctl *mbi;
775 void *dp, *au_buffer;
776 unsigned long au_length;
777 unsigned char *au_cmd;
778 int *au_statusp, au_direction;
780 struct amr_passthrough *_ap; /* 60 bytes */
781 int logical_drives_changed = 0;
785 arg._p = (void *)addr;
795 debug(1, "AMR_IO_VERSION");
796 *arg.result = AMR_IO_VERSION_NUMBER;
799 #ifdef AMR_IO_COMMAND32
801 * Accept ioctl-s from 32-bit binaries on non-32-bit
802 * platforms, such as AMD. LSI's MEGAMGR utility is
803 * the only example known today... -mi
805 case AMR_IO_COMMAND32:
806 debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]);
807 au_cmd = arg.au32->au_cmd;
808 au_buffer = (void *)(u_int64_t)arg.au32->au_buffer;
809 au_length = arg.au32->au_length;
810 au_direction = arg.au32->au_direction;
811 au_statusp = &arg.au32->au_status;
816 debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]);
817 au_cmd = arg.au->au_cmd;
818 au_buffer = (void *)arg.au->au_buffer;
819 au_length = arg.au->au_length;
820 au_direction = arg.au->au_direction;
821 au_statusp = &arg.au->au_status;
825 case 0xc06e6d00: /* Linux emulation */
828 struct amr_linux_ioctl ali;
831 devclass = devclass_find("amr");
832 if (devclass == NULL)
835 error = copyin(addr, &ali, sizeof(ali));
838 if (ali.ui.fcs.opcode == 0x82)
841 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
843 sc = devclass_get_softc(devclass, adapter);
847 return (amr_linux_ioctl_int(sc->amr_dev_t, cmd, addr, 0, ap->a_sysmsg));
850 debug(1, "unknown ioctl 0x%lx", cmd);
854 if ((au_cmd[0] == FC_DEL_LOGDRV && au_cmd[1] == OP_DEL_LOGDRV) || /* delete */
855 (au_cmd[0] == AMR_CMD_CONFIG && au_cmd[1] == 0x0d)) { /* create */
856 if (sc->amr_allow_vol_config == 0) {
860 logical_drives_changed = 1;
862 if ((error = amr_prepare_ld_delete(sc)) != 0)
867 /* handle inbound data buffer */
868 if (au_length != 0 && au_cmd[0] != 0x06) {
869 if ((dp = kmalloc(au_length, M_AMR, M_WAITOK|M_ZERO)) == NULL) {
873 if ((error = copyin(au_buffer, dp, au_length)) != 0) {
877 debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp);
880 /* Allocate this now before the mutex gets held */
882 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
883 while ((ac = amr_alloccmd(sc)) == NULL)
884 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
886 /* handle SCSI passthrough command */
887 if (au_cmd[0] == AMR_CMD_PASS) {
890 _ap = &ac->ac_ccb->ccb_pthru;
891 bzero(_ap, sizeof(struct amr_passthrough));
895 _ap->ap_cdb_length = len;
896 bcopy(au_cmd + 3, _ap->ap_cdb, len);
898 /* build passthrough */
899 _ap->ap_timeout = au_cmd[len + 3] & 0x07;
900 _ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0;
901 _ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0;
902 _ap->ap_logical_drive_no = au_cmd[len + 4];
903 _ap->ap_channel = au_cmd[len + 5];
904 _ap->ap_scsi_id = au_cmd[len + 6];
905 _ap->ap_request_sense_length = 14;
906 _ap->ap_data_transfer_length = au_length;
907 /* XXX what about the request-sense area? does the caller want it? */
910 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
911 ac->ac_flags = AMR_CMD_CCB;
914 /* direct command to controller */
915 mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox;
917 /* copy pertinent mailbox items */
918 mbi->mb_command = au_cmd[0];
919 mbi->mb_channel = au_cmd[1];
920 mbi->mb_param = au_cmd[2];
921 mbi->mb_pad[0] = au_cmd[3];
922 mbi->mb_drive = au_cmd[4];
926 /* build the command */
928 ac->ac_length = au_length;
929 ac->ac_flags |= AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
931 /* run the command */
932 error = amr_wait_command(ac);
933 lockmgr(&sc->amr_list_lock, LK_RELEASE);
937 /* copy out data and set status */
938 if (au_length != 0) {
939 error = copyout(dp, au_buffer, au_length);
941 debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer);
943 debug(2, "%p status 0x%x", dp, ac->ac_status);
944 *au_statusp = ac->ac_status;
948 * At this point, we know that there is a lock held and that these
949 * objects have been allocated.
951 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
954 lockmgr(&sc->amr_list_lock, LK_RELEASE);
959 if (logical_drives_changed)
960 amr_rescan_drives(dev);
967 /********************************************************************************
968 ********************************************************************************
970 ********************************************************************************
971 ********************************************************************************/
973 /********************************************************************************
974 * Perform a periodic check of the controller status
977 amr_periodic(void *data)
979 struct amr_softc *sc = (struct amr_softc *)data;
983 /* XXX perform periodic status checks here */
985 /* compensate for missed interrupts */
989 callout_reset(&sc->amr_timeout, hz, amr_periodic, sc);
993 /********************************************************************************
994 ********************************************************************************
996 ********************************************************************************
997 ********************************************************************************/
999 /********************************************************************************
1000 * Interrogate the controller for the operational parameters we require.
1003 amr_query_controller(struct amr_softc *sc)
1005 struct amr_enquiry3 *aex;
1006 struct amr_prodinfo *ap;
1007 struct amr_enquiry *ae;
1012 * Greater than 10 byte cdb support
1014 sc->support_ext_cdb = amr_support_ext_cdb(sc);
1016 if(sc->support_ext_cdb) {
1017 debug(2,"supports extended CDBs.");
1021 * Try to issue an ENQUIRY3 command
1023 if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3,
1024 AMR_CONFIG_ENQ3_SOLICITED_FULL, &status)) != NULL) {
1027 * Fetch current state of logical drives.
1029 for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) {
1030 sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv];
1031 sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv];
1032 sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv];
1033 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1034 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1039 * Get product info for channel count.
1041 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) == NULL) {
1042 device_printf(sc->amr_dev, "can't obtain product data from controller\n");
1045 sc->amr_maxdrives = 40;
1046 sc->amr_maxchan = ap->ap_nschan;
1047 sc->amr_maxio = ap->ap_maxio;
1048 sc->amr_type |= AMR_TYPE_40LD;
1051 ap = amr_enquiry(sc, 0, FC_DEL_LOGDRV, OP_SUP_DEL_LOGDRV, 0, &status);
1055 sc->amr_ld_del_supported = 1;
1056 device_printf(sc->amr_dev, "delete logical drives supported by controller\n");
1060 /* failed, try the 8LD ENQUIRY commands */
1061 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) == NULL) {
1062 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) == NULL) {
1063 device_printf(sc->amr_dev, "can't obtain configuration data from controller\n");
1066 ae->ae_signature = 0;
1070 * Fetch current state of logical drives.
1072 for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) {
1073 sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv];
1074 sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv];
1075 sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv];
1076 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1077 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1080 sc->amr_maxdrives = 8;
1081 sc->amr_maxchan = ae->ae_adapter.aa_channels;
1082 sc->amr_maxio = ae->ae_adapter.aa_maxio;
1087 * Mark remaining drives as unused.
1089 for (; ldrv < AMR_MAXLD; ldrv++)
1090 sc->amr_drive[ldrv].al_size = 0xffffffff;
1093 * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust
1094 * the controller's reported value, and lockups have been seen when we do.
1096 sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD);
1101 /********************************************************************************
1102 * Run a generic enquiry-style command.
1105 amr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status)
1107 struct amr_command *ac;
1117 /* get ourselves a command buffer */
1118 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1119 ac = amr_alloccmd(sc);
1120 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1123 /* allocate the response structure */
1124 if ((result = kmalloc(bufsize, M_AMR, M_ZERO|M_NOWAIT)) == NULL)
1126 /* set command flags */
1128 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN;
1130 /* point the command at our data */
1131 ac->ac_data = result;
1132 ac->ac_length = bufsize;
1134 /* build the command proper */
1135 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1141 /* can't assume that interrupts are going to work here, so play it safe */
1142 if (sc->amr_poll_command(ac))
1144 error = ac->ac_status;
1145 *status = ac->ac_status;
1148 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1151 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1152 if ((error != 0) && (result != NULL)) {
1153 kfree(result, M_AMR);
1159 /********************************************************************************
1160 * Flush the controller's internal cache, return status.
1163 amr_flush(struct amr_softc *sc)
1165 struct amr_command *ac;
1168 /* get ourselves a command buffer */
1170 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1171 ac = amr_alloccmd(sc);
1172 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1175 /* set command flags */
1176 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1178 /* build the command proper */
1179 ac->ac_mailbox.mb_command = AMR_CMD_FLUSH;
1181 /* we have to poll, as the system may be going down or otherwise damaged */
1182 if (sc->amr_poll_command(ac))
1184 error = ac->ac_status;
1187 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1190 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1194 /********************************************************************************
1195 * Detect extented cdb >> greater than 10 byte cdb support
1196 * returns '1' means this support exist
1197 * returns '0' means this support doesn't exist
1200 amr_support_ext_cdb(struct amr_softc *sc)
1202 struct amr_command *ac;
1206 /* get ourselves a command buffer */
1208 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1209 ac = amr_alloccmd(sc);
1210 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1213 /* set command flags */
1214 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1216 /* build the command proper */
1217 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1222 /* we have to poll, as the system may be going down or otherwise damaged */
1223 if (sc->amr_poll_command(ac))
1225 if( ac->ac_status == AMR_STATUS_SUCCESS ) {
1230 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1233 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1237 /********************************************************************************
1238 * Try to find I/O work for the controller from one or more of the work queues.
1240 * We make the assumption that if the controller is not ready to take a command
1241 * at some given time, it will generate an interrupt at some later time when
1245 amr_startio(struct amr_softc *sc)
1247 struct amr_command *ac;
1249 /* spin until something prevents us from doing any work */
1252 /* Don't bother to queue commands no bounce buffers are available. */
1253 if (sc->amr_state & AMR_STATE_QUEUE_FRZN)
1256 /* try to get a ready command */
1257 ac = amr_dequeue_ready(sc);
1259 /* if that failed, build a command from a bio */
1261 (void)amr_bio_command(sc, &ac);
1263 /* if that failed, build a command from a ccb */
1264 if ((ac == NULL) && (sc->amr_cam_command != NULL))
1265 sc->amr_cam_command(sc, &ac);
1267 /* if we don't have anything to do, give up */
1271 /* try to give the command to the controller; if this fails save it for later and give up */
1272 if (amr_start(ac)) {
1273 debug(2, "controller busy, command deferred");
1274 amr_requeue_ready(ac); /* XXX schedule retry very soon? */
1280 /********************************************************************************
1281 * Handle completion of an I/O command.
1284 amr_completeio(struct amr_command *ac)
1286 struct amr_softc *sc = ac->ac_sc;
1287 static struct timeval lastfail;
1289 struct buf *bp = ac->ac_bio->bio_buf;
1291 if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */
1293 bp->b_flags |= B_ERROR;
1295 if (ppsratecheck(&lastfail, &curfail, 1))
1296 device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status);
1297 /* amr_printcommand(ac);*/
1299 amrd_intr(ac->ac_bio);
1300 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE);
1302 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE);
1305 /********************************************************************************
1306 ********************************************************************************
1308 ********************************************************************************
1309 ********************************************************************************/
1311 /********************************************************************************
1312 * Convert a bio off the top of the bio queue into a command.
1315 amr_bio_command(struct amr_softc *sc, struct amr_command **acp)
1317 struct amr_command *ac;
1318 struct amrd_softc *amrd;
1330 if ((ac = amr_alloccmd(sc)) == NULL)
1333 /* get a bio to work on */
1334 if ((bio = amr_dequeue_bio(sc)) == NULL) {
1339 /* connect the bio to the command */
1341 ac->ac_complete = amr_completeio;
1343 ac->ac_data = bp->b_data;
1344 ac->ac_length = bp->b_bcount;
1346 switch (bp->b_cmd) {
1348 ac->ac_flags |= AMR_CMD_DATAIN;
1349 if (AMR_IS_SG64(sc)) {
1350 cmd = AMR_CMD_LREAD64;
1351 ac->ac_flags |= AMR_CMD_SG64;
1353 cmd = AMR_CMD_LREAD;
1356 ac->ac_flags |= AMR_CMD_DATAOUT;
1357 if (AMR_IS_SG64(sc)) {
1358 cmd = AMR_CMD_LWRITE64;
1359 ac->ac_flags |= AMR_CMD_SG64;
1361 cmd = AMR_CMD_LWRITE;
1364 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1365 cmd = AMR_CMD_FLUSH;
1368 panic("Invalid bio command");
1370 amrd = (struct amrd_softc *)bio->bio_driver_info;
1371 driveno = amrd->amrd_drive - sc->amr_drive;
1372 blkcount = (bp->b_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
1374 ac->ac_mailbox.mb_command = cmd;
1375 if (bp->b_cmd & (BUF_CMD_READ|BUF_CMD_WRITE)) {
1376 ac->ac_mailbox.mb_blkcount = blkcount;
1377 ac->ac_mailbox.mb_lba = bio->bio_offset / AMR_BLKSIZE;
1378 if (((bio->bio_offset / AMR_BLKSIZE) + blkcount) > sc->amr_drive[driveno].al_size) {
1379 device_printf(sc->amr_dev,
1380 "I/O beyond end of unit (%lld,%d > %lu)\n",
1381 (long long)(bio->bio_offset / AMR_BLKSIZE), blkcount,
1382 (u_long)sc->amr_drive[driveno].al_size);
1385 ac->ac_mailbox.mb_drive = driveno;
1386 if (sc->amr_state & AMR_STATE_REMAP_LD)
1387 ac->ac_mailbox.mb_drive |= 0x80;
1389 /* we fill in the s/g related data when the command is mapped */
1396 /********************************************************************************
1397 * Take a command, submit it to the controller and sleep until it completes
1398 * or fails. Interrupts must be enabled, returns nonzero on error.
1401 amr_wait_command(struct amr_command *ac)
1404 struct amr_softc *sc = ac->ac_sc;
1408 ac->ac_complete = NULL;
1409 ac->ac_flags |= AMR_CMD_SLEEP;
1410 if ((error = amr_start(ac)) != 0) {
1414 while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) {
1415 error = lksleep(ac,&sc->amr_list_lock, 0, "amrwcmd", 0);
1421 /********************************************************************************
1422 * Take a command, submit it to the controller and busy-wait for it to return.
1423 * Returns nonzero on error. Can be safely called with interrupts enabled.
1426 amr_std_poll_command(struct amr_command *ac)
1428 struct amr_softc *sc = ac->ac_sc;
1433 ac->ac_complete = NULL;
1434 if ((error = amr_start(ac)) != 0)
1440 * Poll for completion, although the interrupt handler may beat us to it.
1441 * Note that the timeout here is somewhat arbitrary.
1445 } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000));
1446 if (!(ac->ac_flags & AMR_CMD_BUSY)) {
1449 /* XXX the slot is now marked permanently busy */
1451 device_printf(sc->amr_dev, "polled command timeout\n");
1457 amr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1459 struct amr_command *ac = arg;
1460 struct amr_softc *sc = ac->ac_sc;
1464 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1465 ac->ac_status = AMR_STATUS_ABORTED;
1469 amr_setup_sg(arg, segs, nsegs, err);
1471 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1472 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1473 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1474 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1475 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1476 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1478 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1479 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1480 if (AC_IS_SG64(ac)) {
1482 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1485 sc->amr_poll_command1(sc, ac);
1488 /********************************************************************************
1489 * Take a command, submit it to the controller and busy-wait for it to return.
1490 * Returns nonzero on error. Can be safely called with interrupts enabled.
1493 amr_quartz_poll_command(struct amr_command *ac)
1495 struct amr_softc *sc = ac->ac_sc;
1502 if (AC_IS_SG64(ac)) {
1503 ac->ac_tag = sc->amr_buffer64_dmat;
1504 ac->ac_datamap = ac->ac_dma64map;
1506 ac->ac_tag = sc->amr_buffer_dmat;
1507 ac->ac_datamap = ac->ac_dmamap;
1510 /* now we have a slot, we can map the command (unmapped in amr_complete) */
1511 if (ac->ac_data != NULL && ac->ac_length != 0) {
1512 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1513 ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) {
1517 error = amr_quartz_poll_command1(sc, ac);
1524 amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac)
1528 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
1529 if ((sc->amr_state & AMR_STATE_INTEN) == 0) {
1531 while (sc->amr_busyslots) {
1532 lksleep(sc, &sc->amr_hw_lock, PCATCH, "amrpoll", hz);
1538 if(sc->amr_busyslots) {
1539 device_printf(sc->amr_dev, "adapter is busy\n");
1540 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1541 if (ac->ac_data != NULL) {
1542 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1549 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1551 /* clear the poll/ack fields in the mailbox */
1552 sc->amr_mailbox->mb_ident = 0xFE;
1553 sc->amr_mailbox->mb_nstatus = 0xFF;
1554 sc->amr_mailbox->mb_status = 0xFF;
1555 sc->amr_mailbox->mb_poll = 0;
1556 sc->amr_mailbox->mb_ack = 0;
1557 sc->amr_mailbox->mb_busy = 1;
1559 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1561 while(sc->amr_mailbox->mb_nstatus == 0xFF)
1563 while(sc->amr_mailbox->mb_status == 0xFF)
1565 ac->ac_status=sc->amr_mailbox->mb_status;
1566 error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0;
1567 while(sc->amr_mailbox->mb_poll != 0x77)
1569 sc->amr_mailbox->mb_poll = 0;
1570 sc->amr_mailbox->mb_ack = 0x77;
1572 /* acknowledge that we have the commands */
1573 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1574 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
1576 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1578 /* unmap the command's data buffer */
1579 if (ac->ac_flags & AMR_CMD_DATAIN) {
1580 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTREAD);
1582 if (ac->ac_flags & AMR_CMD_DATAOUT) {
1583 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTWRITE);
1585 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1591 amr_freeslot(struct amr_command *ac)
1593 struct amr_softc *sc = ac->ac_sc;
1599 if (sc->amr_busycmd[slot] == NULL)
1600 panic("amr: slot %d not busy?", slot);
1602 sc->amr_busycmd[slot] = NULL;
1603 atomic_subtract_int(&sc->amr_busyslots, 1);
1608 /********************************************************************************
1609 * Map/unmap (ac)'s data in the controller's addressable space as required.
1611 * These functions may be safely called multiple times on a given command.
1614 amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1616 struct amr_command *ac = (struct amr_command *)arg;
1617 struct amr_sgentry *sg;
1618 struct amr_sg64entry *sg64;
1623 /* get base address of s/g table */
1624 sg = ac->ac_sg.sg32;
1625 sg64 = ac->ac_sg.sg64;
1627 if (AC_IS_SG64(ac)) {
1628 ac->ac_nsegments = nsegments;
1629 ac->ac_mb_physaddr = 0xffffffff;
1630 for (i = 0; i < nsegments; i++, sg64++) {
1631 sg64->sg_addr = segs[i].ds_addr;
1632 sg64->sg_count = segs[i].ds_len;
1635 /* decide whether we need to populate the s/g table */
1636 if (nsegments < 2) {
1637 ac->ac_nsegments = 0;
1638 ac->ac_mb_physaddr = segs[0].ds_addr;
1640 ac->ac_nsegments = nsegments;
1641 ac->ac_mb_physaddr = ac->ac_sgbusaddr;
1642 for (i = 0; i < nsegments; i++, sg++) {
1643 sg->sg_addr = segs[i].ds_addr;
1644 sg->sg_count = segs[i].ds_len;
1650 if (ac->ac_flags & AMR_CMD_DATAIN)
1651 flags |= BUS_DMASYNC_PREREAD;
1652 if (ac->ac_flags & AMR_CMD_DATAOUT)
1653 flags |= BUS_DMASYNC_PREWRITE;
1654 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flags);
1655 ac->ac_flags |= AMR_CMD_MAPPED;
1659 amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1661 struct amr_command *ac = arg;
1662 struct amr_softc *sc = ac->ac_sc;
1666 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1671 amr_setup_sg(arg, segs, nsegs, err);
1673 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1674 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1675 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1676 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1677 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1678 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1680 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1681 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1682 if (AC_IS_SG64(ac)) {
1684 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1687 if (sc->amr_submit_command(ac) == EBUSY) {
1689 amr_requeue_ready(ac);
1694 amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1696 struct amr_command *ac = arg;
1697 struct amr_softc *sc = ac->ac_sc;
1698 struct amr_passthrough *ap = &ac->ac_ccb->ccb_pthru;
1699 struct amr_ext_passthrough *aep = &ac->ac_ccb->ccb_epthru;
1702 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1707 /* Set up the mailbox portion of the command to point at the ccb */
1708 ac->ac_mailbox.mb_nsgelem = 0;
1709 ac->ac_mailbox.mb_physaddr = ac->ac_ccb_busaddr;
1711 amr_setup_sg(arg, segs, nsegs, err);
1713 switch (ac->ac_mailbox.mb_command) {
1714 case AMR_CMD_EXTPASS:
1715 aep->ap_no_sg_elements = ac->ac_nsegments;
1716 aep->ap_data_transfer_address = ac->ac_mb_physaddr;
1719 ap->ap_no_sg_elements = ac->ac_nsegments;
1720 ap->ap_data_transfer_address = ac->ac_mb_physaddr;
1723 panic("Unknown ccb command");
1726 if (sc->amr_submit_command(ac) == EBUSY) {
1728 amr_requeue_ready(ac);
1733 amr_mapcmd(struct amr_command *ac)
1735 bus_dmamap_callback_t *cb;
1736 struct amr_softc *sc = ac->ac_sc;
1740 if (AC_IS_SG64(ac)) {
1741 ac->ac_tag = sc->amr_buffer64_dmat;
1742 ac->ac_datamap = ac->ac_dma64map;
1744 ac->ac_tag = sc->amr_buffer_dmat;
1745 ac->ac_datamap = ac->ac_dmamap;
1748 if (ac->ac_flags & AMR_CMD_CCB)
1751 cb = amr_setup_data;
1753 /* if the command involves data at all, and hasn't been mapped */
1754 if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) {
1755 /* map the data buffers into bus space and build the s/g list */
1756 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1757 ac->ac_length, cb, ac, 0) == EINPROGRESS) {
1758 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1761 if (sc->amr_submit_command(ac) == EBUSY) {
1763 amr_requeue_ready(ac);
1771 amr_unmapcmd(struct amr_command *ac)
1777 /* if the command involved data at all and was mapped */
1778 if (ac->ac_flags & AMR_CMD_MAPPED) {
1780 if (ac->ac_data != NULL) {
1783 if (ac->ac_flags & AMR_CMD_DATAIN)
1784 flag |= BUS_DMASYNC_POSTREAD;
1785 if (ac->ac_flags & AMR_CMD_DATAOUT)
1786 flag |= BUS_DMASYNC_POSTWRITE;
1788 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flag);
1789 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1792 ac->ac_flags &= ~AMR_CMD_MAPPED;
1797 amr_abort_load(struct amr_command *ac)
1800 struct amr_softc *sc = ac->ac_sc;
1802 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0);
1804 ac->ac_status = AMR_STATUS_ABORTED;
1805 amr_init_qhead(&head);
1806 amr_enqueue_completed(ac, &head);
1808 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1809 amr_complete(sc, &head);
1810 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1813 /********************************************************************************
1814 * Take a command and give it to the controller, returns 0 if successful, or
1815 * EBUSY if the command should be retried later.
1818 amr_start(struct amr_command *ac)
1820 struct amr_softc *sc;
1826 /* mark command as busy so that polling consumer can tell */
1828 ac->ac_flags |= AMR_CMD_BUSY;
1830 /* get a command slot (freed in amr_done) */
1832 if (sc->amr_busycmd[slot] != NULL)
1833 panic("amr: slot %d busy?", slot);
1834 sc->amr_busycmd[slot] = ac;
1835 atomic_add_int(&sc->amr_busyslots, 1);
1837 /* Now we have a slot, we can map the command (unmapped in amr_complete). */
1838 if ((error = amr_mapcmd(ac)) == ENOMEM) {
1840 * Memroy resources are short, so free the slot and let this be tried
1849 /********************************************************************************
1850 * Extract one or more completed commands from the controller (sc)
1852 * Returns nonzero if any commands on the work queue were marked as completed.
1856 amr_done(struct amr_softc *sc)
1859 struct amr_command *ac;
1860 struct amr_mailbox mbox;
1865 /* See if there's anything for us to do */
1867 amr_init_qhead(&head);
1869 /* loop collecting completed commands */
1871 /* poll for a completed command's identifier and status */
1872 if (sc->amr_get_work(sc, &mbox)) {
1875 /* iterate over completed commands in this result */
1876 for (i = 0; i < mbox.mb_nstatus; i++) {
1877 /* get pointer to busy command */
1878 idx = mbox.mb_completed[i] - 1;
1879 ac = sc->amr_busycmd[idx];
1881 /* really a busy command? */
1884 /* pull the command from the busy index */
1887 /* save status for later use */
1888 ac->ac_status = mbox.mb_status;
1889 amr_enqueue_completed(ac, &head);
1890 debug(3, "completed command with status %x", mbox.mb_status);
1892 device_printf(sc->amr_dev, "bad slot %d completed\n", idx);
1896 break; /* no work */
1899 /* handle completion and timeouts */
1900 amr_complete(sc, &head);
1905 /********************************************************************************
1906 * Do completion processing on done commands on (sc)
1910 amr_complete(void *context, ac_qhead_t *head)
1912 struct amr_softc *sc = (struct amr_softc *)context;
1913 struct amr_command *ac;
1917 /* pull completed commands off the queue */
1919 ac = amr_dequeue_completed(sc, head);
1923 /* unmap the command's data buffer */
1927 * Is there a completion handler?
1929 if (ac->ac_complete != NULL) {
1930 /* unbusy the command */
1931 ac->ac_flags &= ~AMR_CMD_BUSY;
1932 ac->ac_complete(ac);
1935 * Is someone sleeping on this one?
1938 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1939 ac->ac_flags &= ~AMR_CMD_BUSY;
1940 if (ac->ac_flags & AMR_CMD_SLEEP) {
1941 /* unbusy the command */
1944 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1947 if(!sc->amr_busyslots) {
1952 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1953 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
1955 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1958 /********************************************************************************
1959 ********************************************************************************
1960 Command Buffer Management
1961 ********************************************************************************
1962 ********************************************************************************/
1964 /********************************************************************************
1965 * Get a new command buffer.
1967 * This may return NULL in low-memory cases.
1969 * If possible, we recycle a command buffer that's been used before.
1971 struct amr_command *
1972 amr_alloccmd(struct amr_softc *sc)
1974 struct amr_command *ac;
1978 ac = amr_dequeue_free(sc);
1980 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1984 /* clear out significant fields */
1986 bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox));
1990 ac->ac_complete = NULL;
1993 ac->ac_datamap = NULL;
1997 /********************************************************************************
1998 * Release a command buffer for recycling.
2001 amr_releasecmd(struct amr_command *ac)
2005 amr_enqueue_free(ac);
2008 /********************************************************************************
2009 * Allocate a new command cluster and initialise it.
2012 amr_alloccmd_cluster(struct amr_softc *sc)
2014 struct amr_command_cluster *acc;
2015 struct amr_command *ac;
2019 * If we haven't found the real limit yet, let us have a couple of
2020 * commands in order to be able to probe.
2022 if (sc->amr_maxio == 0)
2025 if (sc->amr_nextslot > sc->amr_maxio)
2027 acc = kmalloc(AMR_CMD_CLUSTERSIZE, M_AMR, M_NOWAIT | M_ZERO);
2029 nextslot = sc->amr_nextslot;
2030 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
2031 TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link);
2032 lockmgr(&sc->amr_list_lock, LK_RELEASE);
2033 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2034 ac = &acc->acc_command[i];
2036 ac->ac_slot = nextslot;
2039 * The SG table for each slot is a fixed size and is assumed to
2040 * to hold 64-bit s/g objects when the driver is configured to do
2041 * 64-bit DMA. 32-bit DMA commands still use the same table, but
2042 * cast down to 32-bit objects.
2044 if (AMR_IS_SG64(sc)) {
2045 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2046 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sg64entry));
2047 ac->ac_sg.sg64 = sc->amr_sg64table + (ac->ac_slot * AMR_NSEG);
2049 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2050 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
2051 ac->ac_sg.sg32 = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2054 ac->ac_ccb = sc->amr_ccb + ac->ac_slot;
2055 ac->ac_ccb_busaddr = sc->amr_ccb_busaddr +
2056 (ac->ac_slot * sizeof(union amr_ccb));
2058 if (bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap))
2060 if (AMR_IS_SG64(sc) &&
2061 (bus_dmamap_create(sc->amr_buffer64_dmat, 0,&ac->ac_dma64map)))
2064 if (++nextslot > sc->amr_maxio)
2067 sc->amr_nextslot = nextslot;
2071 /********************************************************************************
2072 * Free a command cluster
2075 amr_freecmd_cluster(struct amr_command_cluster *acc)
2077 struct amr_softc *sc = acc->acc_command[0].ac_sc;
2080 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2081 if (acc->acc_command[i].ac_sc == NULL)
2083 bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap);
2084 if (AMR_IS_SG64(sc))
2085 bus_dmamap_destroy(sc->amr_buffer64_dmat, acc->acc_command[i].ac_dma64map);
2090 /********************************************************************************
2091 ********************************************************************************
2092 Interface-specific Shims
2093 ********************************************************************************
2094 ********************************************************************************/
2096 /********************************************************************************
2097 * Tell the controller that the mailbox contains a valid command
2100 amr_quartz_submit_command(struct amr_command *ac)
2102 struct amr_softc *sc = ac->ac_sc;
2103 static struct timeval lastfail;
2107 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2108 while (sc->amr_mailbox->mb_busy && (i++ < 10)) {
2110 /* This is a no-op read that flushes pending mailbox updates */
2113 if (sc->amr_mailbox->mb_busy) {
2114 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2115 if (ac->ac_retries++ > 1000) {
2116 if (ppsratecheck(&lastfail, &curfail, 1))
2117 device_printf(sc->amr_dev, "Too many retries on command %p. "
2118 "Controller is likely dead\n", ac);
2125 * Save the slot number so that we can locate this command when complete.
2126 * Note that ident = 0 seems to be special, so we don't use it.
2128 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2129 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2130 sc->amr_mailbox->mb_busy = 1;
2131 sc->amr_mailbox->mb_poll = 0;
2132 sc->amr_mailbox->mb_ack = 0;
2133 sc->amr_mailbox64->sg64_hi = ac->ac_sg64_hi;
2134 sc->amr_mailbox64->sg64_lo = ac->ac_sg64_lo;
2136 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
2137 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2142 amr_std_submit_command(struct amr_command *ac)
2144 struct amr_softc *sc = ac->ac_sc;
2145 static struct timeval lastfail;
2148 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2149 if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) {
2150 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2151 if (ac->ac_retries++ > 1000) {
2152 if (ppsratecheck(&lastfail, &curfail, 1))
2153 device_printf(sc->amr_dev, "Too many retries on command %p. "
2154 "Controller is likely dead\n", ac);
2161 * Save the slot number so that we can locate this command when complete.
2162 * Note that ident = 0 seems to be special, so we don't use it.
2164 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2165 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2166 sc->amr_mailbox->mb_busy = 1;
2167 sc->amr_mailbox->mb_poll = 0;
2168 sc->amr_mailbox->mb_ack = 0;
2170 AMR_SPOST_COMMAND(sc);
2171 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2175 /********************************************************************************
2176 * Claim any work that the controller has completed; acknowledge completion,
2177 * save details of the completion in (mbsave)
2180 amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2185 u_int8_t completed[46];
2191 /* work waiting for us? */
2192 if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) {
2194 /* acknowledge interrupt */
2195 AMR_QPUT_ODB(sc, AMR_QODB_READY);
2197 while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff)
2199 sc->amr_mailbox->mb_nstatus = 0xff;
2201 /* wait until fw wrote out all completions */
2202 for (i = 0; i < nstatus; i++) {
2203 while ((completed[i] = sc->amr_mailbox->mb_completed[i]) == 0xff)
2205 sc->amr_mailbox->mb_completed[i] = 0xff;
2208 /* Save information for later processing */
2209 mbsave->mb_nstatus = nstatus;
2210 mbsave->mb_status = sc->amr_mailbox->mb_status;
2211 sc->amr_mailbox->mb_status = 0xff;
2213 for (i = 0; i < nstatus; i++)
2214 mbsave->mb_completed[i] = completed[i];
2216 /* acknowledge that we have the commands */
2217 AMR_QPUT_IDB(sc, AMR_QIDB_ACK);
2220 #ifndef AMR_QUARTZ_GOFASTER
2222 * This waits for the controller to notice that we've taken the
2223 * command from it. It's very inefficient, and we shouldn't do it,
2224 * but if we remove this code, we stop completing commands under
2227 * Peter J says we shouldn't do this. The documentation says we
2228 * should. Who is right?
2230 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
2231 ; /* XXX aiee! what if it dies? */
2235 worked = 1; /* got some work */
2242 amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2251 /* check for valid interrupt status */
2252 istat = AMR_SGET_ISTAT(sc);
2253 if ((istat & AMR_SINTR_VALID) != 0) {
2254 AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */
2256 /* save mailbox, which contains a list of completed commands */
2257 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
2259 AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */
2266 /********************************************************************************
2267 * Notify the controller of the mailbox location.
2270 amr_std_attach_mailbox(struct amr_softc *sc)
2273 /* program the mailbox physical address */
2274 AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff);
2275 AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff);
2276 AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff);
2277 AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff);
2278 AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR);
2280 /* clear any outstanding interrupt and enable interrupts proper */
2281 AMR_SACK_INTERRUPT(sc);
2282 AMR_SENABLE_INTR(sc);
2285 #ifdef AMR_BOARD_INIT
2286 /********************************************************************************
2287 * Initialise the controller
2290 amr_quartz_init(struct amr_softc *sc)
2292 int status, ostatus;
2294 device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc));
2299 while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) {
2300 if (status != ostatus) {
2301 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status));
2305 case AMR_QINIT_NOMEM:
2308 case AMR_QINIT_SCAN:
2309 /* XXX we could print channel/target here */
2317 amr_std_init(struct amr_softc *sc)
2319 int status, ostatus;
2321 device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc));
2326 while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) {
2327 if (status != ostatus) {
2328 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status));
2332 case AMR_SINIT_NOMEM:
2335 case AMR_SINIT_INPROG:
2336 /* XXX we could print channel/target here? */
2344 /********************************************************************************
2345 ********************************************************************************
2347 ********************************************************************************
2348 ********************************************************************************/
2350 /********************************************************************************
2351 * Identify the controller and print some information about it.
2354 amr_describe_controller(struct amr_softc *sc)
2356 struct amr_prodinfo *ap;
2357 struct amr_enquiry *ae;
2362 * Try to get 40LD product info, which tells us what the card is labelled as.
2364 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) != NULL) {
2365 device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n",
2366 ap->ap_product, ap->ap_firmware, ap->ap_bios,
2374 * Try 8LD extended ENQUIRY to get controller signature, and use lookup table.
2376 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) != NULL) {
2377 prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature);
2379 } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) != NULL) {
2382 * Try to work it out based on the PCI signatures.
2384 switch (pci_get_device(sc->amr_dev)) {
2386 prod = "Series 428";
2389 prod = "Series 434";
2392 prod = "unknown controller";
2396 device_printf(sc->amr_dev, "<unsupported controller>\n");
2401 * HP NetRaid controllers have a special encoding of the firmware and
2402 * BIOS versions. The AMI version seems to have it as strings whereas
2403 * the HP version does it with a leading uppercase character and two
2407 if(ae->ae_adapter.aa_firmware[2] >= 'A' &&
2408 ae->ae_adapter.aa_firmware[2] <= 'Z' &&
2409 ae->ae_adapter.aa_firmware[1] < ' ' &&
2410 ae->ae_adapter.aa_firmware[0] < ' ' &&
2411 ae->ae_adapter.aa_bios[2] >= 'A' &&
2412 ae->ae_adapter.aa_bios[2] <= 'Z' &&
2413 ae->ae_adapter.aa_bios[1] < ' ' &&
2414 ae->ae_adapter.aa_bios[0] < ' ') {
2416 /* this looks like we have an HP NetRaid version of the MegaRaid */
2418 if(ae->ae_signature == AMR_SIG_438) {
2419 /* the AMI 438 is a NetRaid 3si in HP-land */
2420 prod = "HP NetRaid 3si";
2423 device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n",
2424 prod, ae->ae_adapter.aa_firmware[2],
2425 ae->ae_adapter.aa_firmware[1],
2426 ae->ae_adapter.aa_firmware[0],
2427 ae->ae_adapter.aa_bios[2],
2428 ae->ae_adapter.aa_bios[1],
2429 ae->ae_adapter.aa_bios[0],
2430 ae->ae_adapter.aa_memorysize);
2432 device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n",
2433 prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios,
2434 ae->ae_adapter.aa_memorysize);
2440 amr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks)
2442 struct amr_command *ac;
2447 sc->amr_state |= AMR_STATE_INTEN;
2449 /* get ourselves a command buffer */
2450 if ((ac = amr_alloccmd(sc)) == NULL)
2452 /* set command flags */
2453 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
2455 /* point the command at our data */
2457 ac->ac_length = blks * AMR_BLKSIZE;
2459 /* build the command proper */
2460 ac->ac_mailbox.mb_command = AMR_CMD_LWRITE;
2461 ac->ac_mailbox.mb_blkcount = blks;
2462 ac->ac_mailbox.mb_lba = lba;
2463 ac->ac_mailbox.mb_drive = unit;
2465 /* can't assume that interrupts are going to work here, so play it safe */
2466 if (sc->amr_poll_command(ac))
2468 error = ac->ac_status;
2474 sc->amr_state &= ~AMR_STATE_INTEN;
2481 /********************************************************************************
2482 * Print the command (ac) in human-readable format
2486 amr_printcommand(struct amr_command *ac)
2488 struct amr_softc *sc = ac->ac_sc;
2489 struct amr_sgentry *sg;
2492 device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n",
2493 ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive);
2494 device_printf(sc->amr_dev, "blkcount %d lba %d\n",
2495 ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba);
2496 device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length);
2497 device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n",
2498 ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem);
2499 device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio);
2501 /* get base address of s/g table */
2502 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2503 for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++)
2504 device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count);