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) __unused;
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);
140 static void amr_periodic(void *data);
143 * Interface-specific shims
145 static int amr_quartz_submit_command(struct amr_command *ac);
146 static int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
147 static int amr_quartz_poll_command(struct amr_command *ac);
148 static int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac);
150 static int amr_std_submit_command(struct amr_command *ac);
151 static int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave);
152 static int amr_std_poll_command(struct amr_command *ac);
153 static void amr_std_attach_mailbox(struct amr_softc *sc);
155 #ifdef AMR_BOARD_INIT
156 static int amr_quartz_init(struct amr_softc *sc);
157 static int amr_std_init(struct amr_softc *sc);
163 static void amr_describe_controller(struct amr_softc *sc);
166 static void amr_printcommand(struct amr_command *ac);
170 static void amr_init_sysctl(struct amr_softc *sc);
171 static int amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr,
172 int32_t flag, struct sysmsg *sm);
174 MALLOC_DEFINE(M_AMR, "amr", "AMR memory");
176 /********************************************************************************
177 ********************************************************************************
179 ********************************************************************************
180 ********************************************************************************/
182 /********************************************************************************
183 ********************************************************************************
185 ********************************************************************************
186 ********************************************************************************/
188 /********************************************************************************
189 * Initialise the controller and softc.
192 amr_attach(struct amr_softc *sc)
199 * Initialise per-controller queues.
201 amr_init_qhead(&sc->amr_freecmds);
202 amr_init_qhead(&sc->amr_ready);
203 TAILQ_INIT(&sc->amr_cmd_clusters);
204 bioq_init(&sc->amr_bioq);
206 debug(2, "queue init done");
209 * Configure for this controller type.
211 if (AMR_IS_QUARTZ(sc)) {
212 sc->amr_submit_command = amr_quartz_submit_command;
213 sc->amr_get_work = amr_quartz_get_work;
214 sc->amr_poll_command = amr_quartz_poll_command;
215 sc->amr_poll_command1 = amr_quartz_poll_command1;
217 sc->amr_submit_command = amr_std_submit_command;
218 sc->amr_get_work = amr_std_get_work;
219 sc->amr_poll_command = amr_std_poll_command;
220 amr_std_attach_mailbox(sc);
223 #ifdef AMR_BOARD_INIT
224 if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc)))
229 * Allocate initial commands.
231 amr_alloccmd_cluster(sc);
234 * Quiz controller for features and limits.
236 if (amr_query_controller(sc))
239 debug(2, "controller query complete");
242 * preallocate the remaining commands.
244 while (sc->amr_nextslot < sc->amr_maxio)
245 amr_alloccmd_cluster(sc);
250 sysctl_ctx_init(&sc->amr_sysctl_ctx);
251 sc->amr_sysctl_tree = SYSCTL_ADD_NODE(&sc->amr_sysctl_ctx,
252 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
253 device_get_nameunit(sc->amr_dev), CTLFLAG_RD, 0, "");
254 if (sc->amr_sysctl_tree == NULL) {
255 device_printf(sc->amr_dev, "can't add sysctl node\n");
261 * Attach our 'real' SCSI channels to CAM.
263 child = device_add_child(sc->amr_dev, "amrp", -1);
264 sc->amr_pass = child;
266 device_set_softc(child, sc);
267 device_set_desc(child, "SCSI Passthrough Bus");
268 bus_generic_attach(sc->amr_dev);
272 * Create the control device.
274 sc->amr_dev_t = make_dev(&amr_ops, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR,
275 S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev));
276 sc->amr_dev_t->si_drv1 = sc;
278 if (device_get_unit(sc->amr_dev) == 0)
279 make_dev_alias(sc->amr_dev_t, "megadev0");
282 * Schedule ourselves to bring the controller up once interrupts are
285 bzero(&sc->amr_ich, sizeof(struct intr_config_hook));
286 sc->amr_ich.ich_func = amr_startup;
287 sc->amr_ich.ich_arg = sc;
288 if (config_intrhook_establish(&sc->amr_ich) != 0) {
289 device_printf(sc->amr_dev, "can't establish configuration hook\n");
294 * Print a little information about the controller.
296 amr_describe_controller(sc);
298 debug(2, "attach complete");
302 /********************************************************************************
303 * Locate disk resources and attach children to them.
306 amr_startup(void *arg)
308 struct amr_softc *sc = (struct amr_softc *)arg;
309 struct amr_logdrive *dr;
313 callout_init(&sc->amr_timeout);
315 /* pull ourselves off the intrhook chain */
316 if (sc->amr_ich.ich_func)
317 config_intrhook_disestablish(&sc->amr_ich);
318 sc->amr_ich.ich_func = NULL;
320 /* get up-to-date drive information */
321 if (amr_query_controller(sc)) {
322 device_printf(sc->amr_dev, "can't scan controller for drives\n");
326 /* iterate over available drives */
327 for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) {
328 /* are we already attached to this drive? */
329 if (dr->al_disk == 0) {
330 /* generate geometry information */
331 if (dr->al_size > 0x200000) { /* extended translation? */
338 dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors);
340 dr->al_disk = device_add_child(sc->amr_dev, NULL, -1);
341 if (dr->al_disk == 0)
342 device_printf(sc->amr_dev, "device_add_child failed\n");
343 device_set_ivars(dr->al_disk, dr);
347 if ((error = bus_generic_attach(sc->amr_dev)) != 0)
348 device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error);
350 /* mark controller back up */
351 sc->amr_state &= ~AMR_STATE_SHUTDOWN;
353 /* interrupts will be enabled before we do anything more */
354 sc->amr_state |= AMR_STATE_INTEN;
357 * Start the timeout routine.
359 /* sc->amr_timeout = timeout(amr_periodic, sc, hz);*/
365 amr_init_sysctl(struct amr_softc *sc)
368 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
369 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
370 OID_AUTO, "allow_volume_configure", CTLFLAG_RW, &sc->amr_allow_vol_config, 0,
372 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
373 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
374 OID_AUTO, "nextslot", CTLFLAG_RD, &sc->amr_nextslot, 0,
376 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
377 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
378 OID_AUTO, "busyslots", CTLFLAG_RD, &sc->amr_busyslots, 0,
380 SYSCTL_ADD_INT(&sc->amr_sysctl_ctx,
381 SYSCTL_CHILDREN(sc->amr_sysctl_tree),
382 OID_AUTO, "maxio", CTLFLAG_RD, &sc->amr_maxio, 0,
387 /*******************************************************************************
388 * Free resources associated with a controller instance
391 amr_free(struct amr_softc *sc)
393 struct amr_command_cluster *acc;
395 /* detach from CAM */
396 if (sc->amr_pass != NULL)
397 device_delete_child(sc->amr_dev, sc->amr_pass);
399 /* cancel status timeout */
400 callout_stop(&sc->amr_timeout);
402 /* throw away any command buffers */
403 while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) {
404 TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link);
405 amr_freecmd_cluster(acc);
408 /* destroy control device */
409 if(sc->amr_dev_t != (struct cdev *)NULL)
410 destroy_dev(sc->amr_dev_t);
411 dev_ops_remove_minor(&amr_ops, device_get_unit(sc->amr_dev));
413 #if 0 /* XXX swildner */
414 if (mtx_initialized(&sc->amr_hw_lock))
415 mtx_destroy(&sc->amr_hw_lock);
417 if (mtx_initialized(&sc->amr_list_lock))
418 mtx_destroy(&sc->amr_list_lock);
421 if (sc->amr_sysctl_tree != NULL)
422 sysctl_ctx_free(&sc->amr_sysctl_ctx);
424 lockuninit(&sc->amr_hw_lock);
425 lockuninit(&sc->amr_list_lock);
428 /*******************************************************************************
429 * Receive a bio structure from a child device and queue it on a particular
430 * disk resource, then poke the disk resource to start as much work as it can.
433 amr_submit_bio(struct amr_softc *sc, struct bio *bio)
437 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
438 amr_enqueue_bio(sc, bio);
440 lockmgr(&sc->amr_list_lock, LK_RELEASE);
444 /********************************************************************************
445 * Accept an open operation on the control device.
448 amr_open(struct dev_open_args *ap)
450 cdev_t dev = ap->a_head.a_dev;
451 int unit = minor(dev);
452 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
456 sc->amr_state |= AMR_STATE_OPEN;
462 amr_del_ld(struct amr_softc *sc, int drv_no, int status)
467 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
468 sc->amr_state &= ~AMR_STATE_LD_DELETE;
469 sc->amr_state |= AMR_STATE_REMAP_LD;
470 debug(1, "State Set");
473 debug(1, "disk begin destroyed %d",drv_no);
474 if (--amr_disks_registered == 0)
475 cdevsw_remove(&amrddisk_cdevsw);
476 debug(1, "disk begin destroyed success");
482 amr_prepare_ld_delete(struct amr_softc *sc)
486 if (sc->ld_del_supported == 0)
489 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
490 sc->amr_state |= AMR_STATE_LD_DELETE;
492 /* 5 minutes for the all the commands to be flushed.*/
493 tsleep((void *)&sc->ld_del_supported, PCATCH,"delete_logical_drv",hz * 60 * 1);
494 if ( sc->amr_busyslots )
501 /********************************************************************************
502 * Accept the last close on the control device.
505 amr_close(struct dev_close_args *ap)
507 cdev_t dev = ap->a_head.a_dev;
508 int unit = minor(dev);
509 struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit);
513 sc->amr_state &= ~AMR_STATE_OPEN;
517 /********************************************************************************
518 * Handle controller-specific control operations.
521 amr_rescan_drives(struct cdev *dev)
523 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
526 sc->amr_state |= AMR_STATE_REMAP_LD;
527 while (sc->amr_busyslots) {
528 device_printf(sc->amr_dev, "idle controller\n");
532 /* mark ourselves as in-shutdown */
533 sc->amr_state |= AMR_STATE_SHUTDOWN;
535 /* flush controller */
536 device_printf(sc->amr_dev, "flushing cache...");
537 kprintf("%s\n", amr_flush(sc) ? "failed" : "done");
539 /* delete all our child devices */
540 for(i = 0 ; i < AMR_MAXLD; i++) {
541 if(sc->amr_drive[i].al_disk != 0) {
542 if((error = device_delete_child(sc->amr_dev,
543 sc->amr_drive[i].al_disk)) != 0)
546 sc->amr_drive[i].al_disk = 0;
555 amr_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag,
558 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
559 struct amr_command *ac;
560 struct amr_mailbox *mb;
561 struct amr_linux_ioctl ali;
564 int adapter, len, ac_flags = 0;
565 int logical_drives_changed = 0;
566 u_int32_t linux_version = 0x02100000;
568 struct amr_passthrough *ap; /* 60 bytes */
575 if ((error = copyin(addr, &ali, sizeof(ali))) != 0)
577 switch (ali.ui.fcs.opcode) {
579 switch(ali.ui.fcs.subopcode) {
581 copyout(&linux_version, (void *)(uintptr_t)ali.data,
582 sizeof(linux_version));
587 copyout(&linux_no_adapter, (void *)(uintptr_t)ali.data,
588 sizeof(linux_no_adapter));
589 sm->sm_result.iresult = linux_no_adapter;
594 kprintf("Unknown subopcode\n");
602 if (ali.ui.fcs.opcode == 0x80)
603 len = max(ali.outlen, ali.inlen);
605 len = ali.ui.fcs.length;
607 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
609 mb = (void *)&ali.mbox[0];
611 if ((ali.mbox[0] == FC_DEL_LOGDRV && ali.mbox[2] == OP_DEL_LOGDRV) || /* delete */
612 (ali.mbox[0] == AMR_CMD_CONFIG && ali.mbox[2] == 0x0d)) { /* create */
613 if (sc->amr_allow_vol_config == 0) {
617 logical_drives_changed = 1;
620 if (ali.mbox[0] == AMR_CMD_PASS) {
621 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
622 while ((ac = amr_alloccmd(sc)) == NULL)
623 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
624 lockmgr(&sc->amr_list_lock, LK_RELEASE);
625 ap = &ac->ac_ccb->ccb_pthru;
627 error = copyin((void *)(uintptr_t)mb->mb_physaddr, ap,
628 sizeof(struct amr_passthrough));
632 if (ap->ap_data_transfer_length)
633 dp = kmalloc(ap->ap_data_transfer_length, M_AMR,
637 error = copyin((void *)(uintptr_t)ap->ap_data_transfer_address,
638 dp, ap->ap_data_transfer_length);
643 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT|AMR_CMD_CCB;
644 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
645 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
646 ac->ac_flags = ac_flags;
649 ac->ac_length = ap->ap_data_transfer_length;
650 temp = (void *)(uintptr_t)ap->ap_data_transfer_address;
652 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
653 error = amr_wait_command(ac);
654 lockmgr(&sc->amr_list_lock, LK_RELEASE);
658 status = ac->ac_status;
659 error = copyout(&status, &((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_scsi_status, sizeof(status));
664 error = copyout(dp, temp, ap->ap_data_transfer_length);
668 error = copyout(ap->ap_request_sense_area, ((struct amr_passthrough *)(uintptr_t)mb->mb_physaddr)->ap_request_sense_area, ap->ap_request_sense_length);
674 } else if (ali.mbox[0] == AMR_CMD_PASS_64) {
675 kprintf("No AMR_CMD_PASS_64\n");
678 } else if (ali.mbox[0] == AMR_CMD_EXTPASS) {
679 kprintf("No AMR_CMD_EXTPASS\n");
684 * Bug-for-bug compatibility with Linux!
685 * Some apps will send commands with inlen and outlen set to 0,
686 * even though they expect data to be transfered to them from the
687 * card. Linux accidentally allows this by allocating a 4KB
688 * buffer for the transfer anyways, but it then throws it away
689 * without copying it back to the app.
694 dp = kmalloc(len, M_AMR, M_WAITOK | M_ZERO);
697 error = copyin((void *)(uintptr_t)mb->mb_physaddr, dp, len);
702 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
703 while ((ac = amr_alloccmd(sc)) == NULL)
704 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
706 ac_flags = AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
707 bzero(&ac->ac_mailbox, sizeof(ac->ac_mailbox));
708 bcopy(&ali.mbox[0], &ac->ac_mailbox, sizeof(ali.mbox));
712 ac->ac_flags = ac_flags;
714 error = amr_wait_command(ac);
715 lockmgr(&sc->amr_list_lock, LK_RELEASE);
719 status = ac->ac_status;
720 error = copyout(&status, &((struct amr_mailbox *)&((struct amr_linux_ioctl *)addr)->mbox[0])->mb_status, sizeof(status));
722 error = copyout(dp, (void *)(uintptr_t)mb->mb_physaddr, len);
728 if (logical_drives_changed)
729 amr_rescan_drives(dev);
735 debug(1, "unknown linux ioctl 0x%lx", cmd);
736 kprintf("unknown linux ioctl 0x%lx\n", cmd);
742 * At this point, we know that there is a lock held and that these
743 * objects have been allocated.
745 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
748 lockmgr(&sc->amr_list_lock, LK_RELEASE);
755 amr_ioctl(struct dev_ioctl_args *ap)
757 cdev_t dev = ap->a_head.a_dev;
758 caddr_t addr = ap->a_data;
759 u_long cmd = ap->a_cmd;
760 struct amr_softc *sc = (struct amr_softc *)dev->si_drv1;
763 struct amr_user_ioctl *au;
764 #ifdef AMR_IO_COMMAND32
765 struct amr_user_ioctl32 *au32;
769 struct amr_command *ac;
770 struct amr_mailbox_ioctl *mbi;
771 void *dp, *au_buffer;
772 unsigned long au_length;
773 unsigned char *au_cmd;
774 int *au_statusp, au_direction;
776 struct amr_passthrough *_ap; /* 60 bytes */
777 int logical_drives_changed = 0;
781 arg._p = (void *)addr;
791 debug(1, "AMR_IO_VERSION");
792 *arg.result = AMR_IO_VERSION_NUMBER;
795 #ifdef AMR_IO_COMMAND32
797 * Accept ioctl-s from 32-bit binaries on non-32-bit
798 * platforms, such as AMD. LSI's MEGAMGR utility is
799 * the only example known today... -mi
801 case AMR_IO_COMMAND32:
802 debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]);
803 au_cmd = arg.au32->au_cmd;
804 au_buffer = (void *)(u_int64_t)arg.au32->au_buffer;
805 au_length = arg.au32->au_length;
806 au_direction = arg.au32->au_direction;
807 au_statusp = &arg.au32->au_status;
812 debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]);
813 au_cmd = arg.au->au_cmd;
814 au_buffer = (void *)arg.au->au_buffer;
815 au_length = arg.au->au_length;
816 au_direction = arg.au->au_direction;
817 au_statusp = &arg.au->au_status;
821 case 0xc06e6d00: /* Linux emulation */
824 struct amr_linux_ioctl ali;
827 devclass = devclass_find("amr");
828 if (devclass == NULL)
831 error = copyin(addr, &ali, sizeof(ali));
834 if (ali.ui.fcs.opcode == 0x82)
837 adapter = (ali.ui.fcs.adapno) ^ 'm' << 8;
839 sc = devclass_get_softc(devclass, adapter);
843 return (amr_linux_ioctl_int(sc->amr_dev_t, cmd, addr, 0, ap->a_sysmsg));
846 debug(1, "unknown ioctl 0x%lx", cmd);
850 if ((au_cmd[0] == FC_DEL_LOGDRV && au_cmd[1] == OP_DEL_LOGDRV) || /* delete */
851 (au_cmd[0] == AMR_CMD_CONFIG && au_cmd[1] == 0x0d)) { /* create */
852 if (sc->amr_allow_vol_config == 0) {
856 logical_drives_changed = 1;
858 if ((error = amr_prepare_ld_delete(sc)) != 0)
863 /* handle inbound data buffer */
864 if (au_length != 0 && au_cmd[0] != 0x06) {
865 if ((dp = kmalloc(au_length, M_AMR, M_WAITOK|M_ZERO)) == NULL) {
869 if ((error = copyin(au_buffer, dp, au_length)) != 0) {
873 debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp);
876 /* Allocate this now before the mutex gets held */
878 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
879 while ((ac = amr_alloccmd(sc)) == NULL)
880 lksleep(sc, &sc->amr_list_lock, 0, "amrioc", hz);
882 /* handle SCSI passthrough command */
883 if (au_cmd[0] == AMR_CMD_PASS) {
886 _ap = &ac->ac_ccb->ccb_pthru;
887 bzero(_ap, sizeof(struct amr_passthrough));
891 _ap->ap_cdb_length = len;
892 bcopy(au_cmd + 3, _ap->ap_cdb, len);
894 /* build passthrough */
895 _ap->ap_timeout = au_cmd[len + 3] & 0x07;
896 _ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0;
897 _ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0;
898 _ap->ap_logical_drive_no = au_cmd[len + 4];
899 _ap->ap_channel = au_cmd[len + 5];
900 _ap->ap_scsi_id = au_cmd[len + 6];
901 _ap->ap_request_sense_length = 14;
902 _ap->ap_data_transfer_length = au_length;
903 /* XXX what about the request-sense area? does the caller want it? */
906 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
907 ac->ac_flags = AMR_CMD_CCB;
910 /* direct command to controller */
911 mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox;
913 /* copy pertinent mailbox items */
914 mbi->mb_command = au_cmd[0];
915 mbi->mb_channel = au_cmd[1];
916 mbi->mb_param = au_cmd[2];
917 mbi->mb_pad[0] = au_cmd[3];
918 mbi->mb_drive = au_cmd[4];
922 /* build the command */
924 ac->ac_length = au_length;
925 ac->ac_flags |= AMR_CMD_DATAIN|AMR_CMD_DATAOUT;
927 /* run the command */
928 error = amr_wait_command(ac);
929 lockmgr(&sc->amr_list_lock, LK_RELEASE);
933 /* copy out data and set status */
934 if (au_length != 0) {
935 error = copyout(dp, au_buffer, au_length);
937 debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer);
939 debug(2, "%p status 0x%x", dp, ac->ac_status);
940 *au_statusp = ac->ac_status;
944 * At this point, we know that there is a lock held and that these
945 * objects have been allocated.
947 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
950 lockmgr(&sc->amr_list_lock, LK_RELEASE);
955 if (logical_drives_changed)
956 amr_rescan_drives(dev);
962 /********************************************************************************
963 ********************************************************************************
965 ********************************************************************************
966 ********************************************************************************/
968 /********************************************************************************
969 * Perform a periodic check of the controller status
972 amr_periodic(void *data)
974 struct amr_softc *sc = (struct amr_softc *)data;
978 /* XXX perform periodic status checks here */
980 /* compensate for missed interrupts */
984 callout_reset(&sc->amr_timeout, hz, amr_periodic, sc);
987 /********************************************************************************
988 ********************************************************************************
990 ********************************************************************************
991 ********************************************************************************/
993 /********************************************************************************
994 * Interrogate the controller for the operational parameters we require.
997 amr_query_controller(struct amr_softc *sc)
999 struct amr_enquiry3 *aex;
1000 struct amr_prodinfo *ap;
1001 struct amr_enquiry *ae;
1006 * Greater than 10 byte cdb support
1008 sc->support_ext_cdb = amr_support_ext_cdb(sc);
1010 if(sc->support_ext_cdb) {
1011 debug(2,"supports extended CDBs.");
1015 * Try to issue an ENQUIRY3 command
1017 if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3,
1018 AMR_CONFIG_ENQ3_SOLICITED_FULL, &status)) != NULL) {
1021 * Fetch current state of logical drives.
1023 for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) {
1024 sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv];
1025 sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv];
1026 sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv];
1027 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1028 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1033 * Get product info for channel count.
1035 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) == NULL) {
1036 device_printf(sc->amr_dev, "can't obtain product data from controller\n");
1039 sc->amr_maxdrives = 40;
1040 sc->amr_maxchan = ap->ap_nschan;
1041 sc->amr_maxio = ap->ap_maxio;
1042 sc->amr_type |= AMR_TYPE_40LD;
1045 ap = amr_enquiry(sc, 0, FC_DEL_LOGDRV, OP_SUP_DEL_LOGDRV, 0, &status);
1049 sc->amr_ld_del_supported = 1;
1050 device_printf(sc->amr_dev, "delete logical drives supported by controller\n");
1054 /* failed, try the 8LD ENQUIRY commands */
1055 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) == NULL) {
1056 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) == NULL) {
1057 device_printf(sc->amr_dev, "can't obtain configuration data from controller\n");
1060 ae->ae_signature = 0;
1064 * Fetch current state of logical drives.
1066 for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) {
1067 sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv];
1068 sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv];
1069 sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv];
1070 debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size,
1071 sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties);
1074 sc->amr_maxdrives = 8;
1075 sc->amr_maxchan = ae->ae_adapter.aa_channels;
1076 sc->amr_maxio = ae->ae_adapter.aa_maxio;
1081 * Mark remaining drives as unused.
1083 for (; ldrv < AMR_MAXLD; ldrv++)
1084 sc->amr_drive[ldrv].al_size = 0xffffffff;
1087 * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust
1088 * the controller's reported value, and lockups have been seen when we do.
1090 sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD);
1095 /********************************************************************************
1096 * Run a generic enquiry-style command.
1099 amr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual, int *status)
1101 struct amr_command *ac;
1111 /* get ourselves a command buffer */
1112 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1113 ac = amr_alloccmd(sc);
1114 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1117 /* allocate the response structure */
1118 if ((result = kmalloc(bufsize, M_AMR, M_ZERO|M_NOWAIT)) == NULL)
1120 /* set command flags */
1122 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN;
1124 /* point the command at our data */
1125 ac->ac_data = result;
1126 ac->ac_length = bufsize;
1128 /* build the command proper */
1129 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1135 /* can't assume that interrupts are going to work here, so play it safe */
1136 if (sc->amr_poll_command(ac))
1138 error = ac->ac_status;
1139 *status = ac->ac_status;
1142 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1145 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1146 if ((error != 0) && (result != NULL)) {
1147 kfree(result, M_AMR);
1153 /********************************************************************************
1154 * Flush the controller's internal cache, return status.
1157 amr_flush(struct amr_softc *sc)
1159 struct amr_command *ac;
1162 /* get ourselves a command buffer */
1164 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1165 ac = amr_alloccmd(sc);
1166 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1169 /* set command flags */
1170 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1172 /* build the command proper */
1173 ac->ac_mailbox.mb_command = AMR_CMD_FLUSH;
1175 /* we have to poll, as the system may be going down or otherwise damaged */
1176 if (sc->amr_poll_command(ac))
1178 error = ac->ac_status;
1181 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1184 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1188 /********************************************************************************
1189 * Detect extented cdb >> greater than 10 byte cdb support
1190 * returns '1' means this support exist
1191 * returns '0' means this support doesn't exist
1194 amr_support_ext_cdb(struct amr_softc *sc)
1196 struct amr_command *ac;
1200 /* get ourselves a command buffer */
1202 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1203 ac = amr_alloccmd(sc);
1204 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1207 /* set command flags */
1208 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1210 /* build the command proper */
1211 mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */
1216 /* we have to poll, as the system may be going down or otherwise damaged */
1217 if (sc->amr_poll_command(ac))
1219 if( ac->ac_status == AMR_STATUS_SUCCESS ) {
1224 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1227 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1231 /********************************************************************************
1232 * Try to find I/O work for the controller from one or more of the work queues.
1234 * We make the assumption that if the controller is not ready to take a command
1235 * at some given time, it will generate an interrupt at some later time when
1239 amr_startio(struct amr_softc *sc)
1241 struct amr_command *ac;
1243 /* spin until something prevents us from doing any work */
1246 /* Don't bother to queue commands no bounce buffers are available. */
1247 if (sc->amr_state & AMR_STATE_QUEUE_FRZN)
1250 /* try to get a ready command */
1251 ac = amr_dequeue_ready(sc);
1253 /* if that failed, build a command from a bio */
1255 (void)amr_bio_command(sc, &ac);
1257 /* if that failed, build a command from a ccb */
1258 if ((ac == NULL) && (sc->amr_cam_command != NULL))
1259 sc->amr_cam_command(sc, &ac);
1261 /* if we don't have anything to do, give up */
1265 /* try to give the command to the controller; if this fails save it for later and give up */
1266 if (amr_start(ac)) {
1267 debug(2, "controller busy, command deferred");
1268 amr_requeue_ready(ac); /* XXX schedule retry very soon? */
1274 /********************************************************************************
1275 * Handle completion of an I/O command.
1278 amr_completeio(struct amr_command *ac)
1280 struct amr_softc *sc = ac->ac_sc;
1281 static struct timeval lastfail;
1283 struct buf *bp = ac->ac_bio->bio_buf;
1285 if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */
1287 bp->b_flags |= B_ERROR;
1289 if (ppsratecheck(&lastfail, &curfail, 1))
1290 device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status);
1291 /* amr_printcommand(ac);*/
1293 amrd_intr(ac->ac_bio);
1294 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE);
1296 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE);
1299 /********************************************************************************
1300 ********************************************************************************
1302 ********************************************************************************
1303 ********************************************************************************/
1305 /********************************************************************************
1306 * Convert a bio off the top of the bio queue into a command.
1309 amr_bio_command(struct amr_softc *sc, struct amr_command **acp)
1311 struct amr_command *ac;
1312 struct amrd_softc *amrd;
1324 if ((ac = amr_alloccmd(sc)) == NULL)
1327 /* get a bio to work on */
1328 if ((bio = amr_dequeue_bio(sc)) == NULL) {
1333 /* connect the bio to the command */
1335 ac->ac_complete = amr_completeio;
1337 ac->ac_data = bp->b_data;
1338 ac->ac_length = bp->b_bcount;
1340 switch (bp->b_cmd) {
1342 ac->ac_flags |= AMR_CMD_DATAIN;
1343 if (AMR_IS_SG64(sc)) {
1344 cmd = AMR_CMD_LREAD64;
1345 ac->ac_flags |= AMR_CMD_SG64;
1347 cmd = AMR_CMD_LREAD;
1350 ac->ac_flags |= AMR_CMD_DATAOUT;
1351 if (AMR_IS_SG64(sc)) {
1352 cmd = AMR_CMD_LWRITE64;
1353 ac->ac_flags |= AMR_CMD_SG64;
1355 cmd = AMR_CMD_LWRITE;
1358 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
1359 cmd = AMR_CMD_FLUSH;
1362 panic("Invalid bio command");
1364 amrd = (struct amrd_softc *)bio->bio_driver_info;
1365 driveno = amrd->amrd_drive - sc->amr_drive;
1366 blkcount = (bp->b_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE;
1368 ac->ac_mailbox.mb_command = cmd;
1369 if (bp->b_cmd & (BUF_CMD_READ|BUF_CMD_WRITE)) {
1370 ac->ac_mailbox.mb_blkcount = blkcount;
1371 ac->ac_mailbox.mb_lba = bio->bio_offset / AMR_BLKSIZE;
1372 if (((bio->bio_offset / AMR_BLKSIZE) + blkcount) > sc->amr_drive[driveno].al_size) {
1373 device_printf(sc->amr_dev,
1374 "I/O beyond end of unit (%lld,%d > %lu)\n",
1375 (long long)(bio->bio_offset / AMR_BLKSIZE), blkcount,
1376 (u_long)sc->amr_drive[driveno].al_size);
1379 ac->ac_mailbox.mb_drive = driveno;
1380 if (sc->amr_state & AMR_STATE_REMAP_LD)
1381 ac->ac_mailbox.mb_drive |= 0x80;
1383 /* we fill in the s/g related data when the command is mapped */
1390 /********************************************************************************
1391 * Take a command, submit it to the controller and sleep until it completes
1392 * or fails. Interrupts must be enabled, returns nonzero on error.
1395 amr_wait_command(struct amr_command *ac)
1398 struct amr_softc *sc = ac->ac_sc;
1402 ac->ac_complete = NULL;
1403 ac->ac_flags |= AMR_CMD_SLEEP;
1404 if ((error = amr_start(ac)) != 0) {
1408 while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) {
1409 error = lksleep(ac,&sc->amr_list_lock, 0, "amrwcmd", 0);
1415 /********************************************************************************
1416 * Take a command, submit it to the controller and busy-wait for it to return.
1417 * Returns nonzero on error. Can be safely called with interrupts enabled.
1420 amr_std_poll_command(struct amr_command *ac)
1422 struct amr_softc *sc = ac->ac_sc;
1427 ac->ac_complete = NULL;
1428 if ((error = amr_start(ac)) != 0)
1434 * Poll for completion, although the interrupt handler may beat us to it.
1435 * Note that the timeout here is somewhat arbitrary.
1439 } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000));
1440 if (!(ac->ac_flags & AMR_CMD_BUSY)) {
1443 /* XXX the slot is now marked permanently busy */
1445 device_printf(sc->amr_dev, "polled command timeout\n");
1451 amr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1453 struct amr_command *ac = arg;
1454 struct amr_softc *sc = ac->ac_sc;
1458 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1459 ac->ac_status = AMR_STATUS_ABORTED;
1463 amr_setup_sg(arg, segs, nsegs, err);
1465 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1466 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1467 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1468 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1469 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1470 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1472 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1473 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1474 if (AC_IS_SG64(ac)) {
1476 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1479 sc->amr_poll_command1(sc, ac);
1482 /********************************************************************************
1483 * Take a command, submit it to the controller and busy-wait for it to return.
1484 * Returns nonzero on error. Can be safely called with interrupts enabled.
1487 amr_quartz_poll_command(struct amr_command *ac)
1489 struct amr_softc *sc = ac->ac_sc;
1496 if (AC_IS_SG64(ac)) {
1497 ac->ac_tag = sc->amr_buffer64_dmat;
1498 ac->ac_datamap = ac->ac_dma64map;
1500 ac->ac_tag = sc->amr_buffer_dmat;
1501 ac->ac_datamap = ac->ac_dmamap;
1504 /* now we have a slot, we can map the command (unmapped in amr_complete) */
1505 if (ac->ac_data != NULL && ac->ac_length != 0) {
1506 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1507 ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) {
1511 error = amr_quartz_poll_command1(sc, ac);
1518 amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac)
1522 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
1523 if ((sc->amr_state & AMR_STATE_INTEN) == 0) {
1525 while (sc->amr_busyslots) {
1526 lksleep(sc, &sc->amr_hw_lock, PCATCH, "amrpoll", hz);
1532 if(sc->amr_busyslots) {
1533 device_printf(sc->amr_dev, "adapter is busy\n");
1534 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1535 if (ac->ac_data != NULL) {
1536 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1543 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE);
1545 /* clear the poll/ack fields in the mailbox */
1546 sc->amr_mailbox->mb_ident = 0xFE;
1547 sc->amr_mailbox->mb_nstatus = 0xFF;
1548 sc->amr_mailbox->mb_status = 0xFF;
1549 sc->amr_mailbox->mb_poll = 0;
1550 sc->amr_mailbox->mb_ack = 0;
1551 sc->amr_mailbox->mb_busy = 1;
1553 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
1555 while(sc->amr_mailbox->mb_nstatus == 0xFF)
1557 while(sc->amr_mailbox->mb_status == 0xFF)
1559 ac->ac_status=sc->amr_mailbox->mb_status;
1560 error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0;
1561 while(sc->amr_mailbox->mb_poll != 0x77)
1563 sc->amr_mailbox->mb_poll = 0;
1564 sc->amr_mailbox->mb_ack = 0x77;
1566 /* acknowledge that we have the commands */
1567 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK);
1568 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
1570 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
1572 /* unmap the command's data buffer */
1573 if (ac->ac_flags & AMR_CMD_DATAIN) {
1574 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTREAD);
1576 if (ac->ac_flags & AMR_CMD_DATAOUT) {
1577 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, BUS_DMASYNC_POSTWRITE);
1579 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1585 amr_freeslot(struct amr_command *ac)
1587 struct amr_softc *sc = ac->ac_sc;
1593 if (sc->amr_busycmd[slot] == NULL)
1594 panic("amr: slot %d not busy?\n", slot);
1596 sc->amr_busycmd[slot] = NULL;
1597 atomic_subtract_int(&sc->amr_busyslots, 1);
1602 /********************************************************************************
1603 * Map/unmap (ac)'s data in the controller's addressable space as required.
1605 * These functions may be safely called multiple times on a given command.
1608 amr_setup_sg(void *arg, bus_dma_segment_t *segs, int nsegments, int error)
1610 struct amr_command *ac = (struct amr_command *)arg;
1611 struct amr_sgentry *sg;
1612 struct amr_sg64entry *sg64;
1617 /* get base address of s/g table */
1618 sg = ac->ac_sg.sg32;
1619 sg64 = ac->ac_sg.sg64;
1621 if (AC_IS_SG64(ac)) {
1622 ac->ac_nsegments = nsegments;
1623 ac->ac_mb_physaddr = 0xffffffff;
1624 for (i = 0; i < nsegments; i++, sg64++) {
1625 sg64->sg_addr = segs[i].ds_addr;
1626 sg64->sg_count = segs[i].ds_len;
1629 /* decide whether we need to populate the s/g table */
1630 if (nsegments < 2) {
1631 ac->ac_nsegments = 0;
1632 ac->ac_mb_physaddr = segs[0].ds_addr;
1634 ac->ac_nsegments = nsegments;
1635 ac->ac_mb_physaddr = ac->ac_sgbusaddr;
1636 for (i = 0; i < nsegments; i++, sg++) {
1637 sg->sg_addr = segs[i].ds_addr;
1638 sg->sg_count = segs[i].ds_len;
1644 if (ac->ac_flags & AMR_CMD_DATAIN)
1645 flags |= BUS_DMASYNC_PREREAD;
1646 if (ac->ac_flags & AMR_CMD_DATAOUT)
1647 flags |= BUS_DMASYNC_PREWRITE;
1648 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flags);
1649 ac->ac_flags |= AMR_CMD_MAPPED;
1653 amr_setup_data(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1655 struct amr_command *ac = arg;
1656 struct amr_softc *sc = ac->ac_sc;
1660 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1665 amr_setup_sg(arg, segs, nsegs, err);
1667 /* for AMR_CMD_CONFIG Read/Write the s/g count goes elsewhere */
1668 mb_channel = ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_channel;
1669 if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG &&
1670 ((mb_channel == AMR_CONFIG_READ_NVRAM_CONFIG) ||
1671 (mb_channel == AMR_CONFIG_WRITE_NVRAM_CONFIG)))
1672 ((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param = ac->ac_nsegments;
1674 ac->ac_mailbox.mb_nsgelem = ac->ac_nsegments;
1675 ac->ac_mailbox.mb_physaddr = ac->ac_mb_physaddr;
1676 if (AC_IS_SG64(ac)) {
1678 ac->ac_sg64_lo = ac->ac_sgbusaddr;
1681 if (sc->amr_submit_command(ac) == EBUSY) {
1683 amr_requeue_ready(ac);
1688 amr_setup_ccb(void *arg, bus_dma_segment_t *segs, int nsegs, int err)
1690 struct amr_command *ac = arg;
1691 struct amr_softc *sc = ac->ac_sc;
1692 struct amr_passthrough *ap = &ac->ac_ccb->ccb_pthru;
1693 struct amr_ext_passthrough *aep = &ac->ac_ccb->ccb_epthru;
1696 device_printf(sc->amr_dev, "error %d in %s", err, __FUNCTION__);
1701 /* Set up the mailbox portion of the command to point at the ccb */
1702 ac->ac_mailbox.mb_nsgelem = 0;
1703 ac->ac_mailbox.mb_physaddr = ac->ac_ccb_busaddr;
1705 amr_setup_sg(arg, segs, nsegs, err);
1707 switch (ac->ac_mailbox.mb_command) {
1708 case AMR_CMD_EXTPASS:
1709 aep->ap_no_sg_elements = ac->ac_nsegments;
1710 aep->ap_data_transfer_address = ac->ac_mb_physaddr;
1713 ap->ap_no_sg_elements = ac->ac_nsegments;
1714 ap->ap_data_transfer_address = ac->ac_mb_physaddr;
1717 panic("Unknown ccb command");
1720 if (sc->amr_submit_command(ac) == EBUSY) {
1722 amr_requeue_ready(ac);
1727 amr_mapcmd(struct amr_command *ac)
1729 bus_dmamap_callback_t *cb;
1730 struct amr_softc *sc = ac->ac_sc;
1734 if (AC_IS_SG64(ac)) {
1735 ac->ac_tag = sc->amr_buffer64_dmat;
1736 ac->ac_datamap = ac->ac_dma64map;
1738 ac->ac_tag = sc->amr_buffer_dmat;
1739 ac->ac_datamap = ac->ac_dmamap;
1742 if (ac->ac_flags & AMR_CMD_CCB)
1745 cb = amr_setup_data;
1747 /* if the command involves data at all, and hasn't been mapped */
1748 if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) {
1749 /* map the data buffers into bus space and build the s/g list */
1750 if (bus_dmamap_load(ac->ac_tag, ac->ac_datamap, ac->ac_data,
1751 ac->ac_length, cb, ac, 0) == EINPROGRESS) {
1752 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1755 if (sc->amr_submit_command(ac) == EBUSY) {
1757 amr_requeue_ready(ac);
1765 amr_unmapcmd(struct amr_command *ac)
1771 /* if the command involved data at all and was mapped */
1772 if (ac->ac_flags & AMR_CMD_MAPPED) {
1774 if (ac->ac_data != NULL) {
1777 if (ac->ac_flags & AMR_CMD_DATAIN)
1778 flag |= BUS_DMASYNC_POSTREAD;
1779 if (ac->ac_flags & AMR_CMD_DATAOUT)
1780 flag |= BUS_DMASYNC_POSTWRITE;
1782 bus_dmamap_sync(ac->ac_tag, ac->ac_datamap, flag);
1783 bus_dmamap_unload(ac->ac_tag, ac->ac_datamap);
1786 ac->ac_flags &= ~AMR_CMD_MAPPED;
1791 amr_abort_load(struct amr_command *ac)
1794 struct amr_softc *sc = ac->ac_sc;
1796 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0);
1798 ac->ac_status = AMR_STATUS_ABORTED;
1799 amr_init_qhead(&head);
1800 amr_enqueue_completed(ac, &head);
1802 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1803 amr_complete(sc, &head);
1804 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1807 /********************************************************************************
1808 * Take a command and give it to the controller, returns 0 if successful, or
1809 * EBUSY if the command should be retried later.
1812 amr_start(struct amr_command *ac)
1814 struct amr_softc *sc;
1820 /* mark command as busy so that polling consumer can tell */
1822 ac->ac_flags |= AMR_CMD_BUSY;
1824 /* get a command slot (freed in amr_done) */
1826 if (sc->amr_busycmd[slot] != NULL)
1827 panic("amr: slot %d busy?\n", slot);
1828 sc->amr_busycmd[slot] = ac;
1829 atomic_add_int(&sc->amr_busyslots, 1);
1831 /* Now we have a slot, we can map the command (unmapped in amr_complete). */
1832 if ((error = amr_mapcmd(ac)) == ENOMEM) {
1834 * Memroy resources are short, so free the slot and let this be tried
1843 /********************************************************************************
1844 * Extract one or more completed commands from the controller (sc)
1846 * Returns nonzero if any commands on the work queue were marked as completed.
1850 amr_done(struct amr_softc *sc)
1853 struct amr_command *ac;
1854 struct amr_mailbox mbox;
1859 /* See if there's anything for us to do */
1861 amr_init_qhead(&head);
1863 /* loop collecting completed commands */
1865 /* poll for a completed command's identifier and status */
1866 if (sc->amr_get_work(sc, &mbox)) {
1869 /* iterate over completed commands in this result */
1870 for (i = 0; i < mbox.mb_nstatus; i++) {
1871 /* get pointer to busy command */
1872 idx = mbox.mb_completed[i] - 1;
1873 ac = sc->amr_busycmd[idx];
1875 /* really a busy command? */
1878 /* pull the command from the busy index */
1881 /* save status for later use */
1882 ac->ac_status = mbox.mb_status;
1883 amr_enqueue_completed(ac, &head);
1884 debug(3, "completed command with status %x", mbox.mb_status);
1886 device_printf(sc->amr_dev, "bad slot %d completed\n", idx);
1890 break; /* no work */
1893 /* handle completion and timeouts */
1894 amr_complete(sc, &head);
1899 /********************************************************************************
1900 * Do completion processing on done commands on (sc)
1904 amr_complete(void *context, ac_qhead_t *head)
1906 struct amr_softc *sc = (struct amr_softc *)context;
1907 struct amr_command *ac;
1911 /* pull completed commands off the queue */
1913 ac = amr_dequeue_completed(sc, head);
1917 /* unmap the command's data buffer */
1921 * Is there a completion handler?
1923 if (ac->ac_complete != NULL) {
1924 /* unbusy the command */
1925 ac->ac_flags &= ~AMR_CMD_BUSY;
1926 ac->ac_complete(ac);
1929 * Is someone sleeping on this one?
1932 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1933 ac->ac_flags &= ~AMR_CMD_BUSY;
1934 if (ac->ac_flags & AMR_CMD_SLEEP) {
1935 /* unbusy the command */
1938 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1941 if(!sc->amr_busyslots) {
1946 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
1947 sc->amr_state &= ~AMR_STATE_QUEUE_FRZN;
1949 lockmgr(&sc->amr_list_lock, LK_RELEASE);
1952 /********************************************************************************
1953 ********************************************************************************
1954 Command Buffer Management
1955 ********************************************************************************
1956 ********************************************************************************/
1958 /********************************************************************************
1959 * Get a new command buffer.
1961 * This may return NULL in low-memory cases.
1963 * If possible, we recycle a command buffer that's been used before.
1965 struct amr_command *
1966 amr_alloccmd(struct amr_softc *sc)
1968 struct amr_command *ac;
1972 ac = amr_dequeue_free(sc);
1974 sc->amr_state |= AMR_STATE_QUEUE_FRZN;
1978 /* clear out significant fields */
1980 bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox));
1984 ac->ac_complete = NULL;
1987 ac->ac_datamap = NULL;
1991 /********************************************************************************
1992 * Release a command buffer for recycling.
1995 amr_releasecmd(struct amr_command *ac)
1999 amr_enqueue_free(ac);
2002 /********************************************************************************
2003 * Allocate a new command cluster and initialise it.
2006 amr_alloccmd_cluster(struct amr_softc *sc)
2008 struct amr_command_cluster *acc;
2009 struct amr_command *ac;
2013 * If we haven't found the real limit yet, let us have a couple of
2014 * commands in order to be able to probe.
2016 if (sc->amr_maxio == 0)
2019 if (sc->amr_nextslot > sc->amr_maxio)
2021 acc = kmalloc(AMR_CMD_CLUSTERSIZE, M_AMR, M_NOWAIT | M_ZERO);
2023 nextslot = sc->amr_nextslot;
2024 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE);
2025 TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link);
2026 lockmgr(&sc->amr_list_lock, LK_RELEASE);
2027 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2028 ac = &acc->acc_command[i];
2030 ac->ac_slot = nextslot;
2033 * The SG table for each slot is a fixed size and is assumed to
2034 * to hold 64-bit s/g objects when the driver is configured to do
2035 * 64-bit DMA. 32-bit DMA commands still use the same table, but
2036 * cast down to 32-bit objects.
2038 if (AMR_IS_SG64(sc)) {
2039 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2040 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sg64entry));
2041 ac->ac_sg.sg64 = sc->amr_sg64table + (ac->ac_slot * AMR_NSEG);
2043 ac->ac_sgbusaddr = sc->amr_sgbusaddr +
2044 (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry));
2045 ac->ac_sg.sg32 = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2048 ac->ac_ccb = sc->amr_ccb + ac->ac_slot;
2049 ac->ac_ccb_busaddr = sc->amr_ccb_busaddr +
2050 (ac->ac_slot * sizeof(union amr_ccb));
2052 if (bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap))
2054 if (AMR_IS_SG64(sc) &&
2055 (bus_dmamap_create(sc->amr_buffer64_dmat, 0,&ac->ac_dma64map)))
2058 if (++nextslot > sc->amr_maxio)
2061 sc->amr_nextslot = nextslot;
2065 /********************************************************************************
2066 * Free a command cluster
2069 amr_freecmd_cluster(struct amr_command_cluster *acc)
2071 struct amr_softc *sc = acc->acc_command[0].ac_sc;
2074 for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) {
2075 if (acc->acc_command[i].ac_sc == NULL)
2077 bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap);
2078 if (AMR_IS_SG64(sc))
2079 bus_dmamap_destroy(sc->amr_buffer64_dmat, acc->acc_command[i].ac_dma64map);
2084 /********************************************************************************
2085 ********************************************************************************
2086 Interface-specific Shims
2087 ********************************************************************************
2088 ********************************************************************************/
2090 /********************************************************************************
2091 * Tell the controller that the mailbox contains a valid command
2094 amr_quartz_submit_command(struct amr_command *ac)
2096 struct amr_softc *sc = ac->ac_sc;
2097 static struct timeval lastfail;
2101 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2102 while (sc->amr_mailbox->mb_busy && (i++ < 10)) {
2104 /* This is a no-op read that flushes pending mailbox updates */
2107 if (sc->amr_mailbox->mb_busy) {
2108 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2109 if (ac->ac_retries++ > 1000) {
2110 if (ppsratecheck(&lastfail, &curfail, 1))
2111 device_printf(sc->amr_dev, "Too many retries on command %p. "
2112 "Controller is likely dead\n", ac);
2119 * Save the slot number so that we can locate this command when complete.
2120 * Note that ident = 0 seems to be special, so we don't use it.
2122 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2123 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2124 sc->amr_mailbox->mb_busy = 1;
2125 sc->amr_mailbox->mb_poll = 0;
2126 sc->amr_mailbox->mb_ack = 0;
2127 sc->amr_mailbox64->sg64_hi = ac->ac_sg64_hi;
2128 sc->amr_mailbox64->sg64_lo = ac->ac_sg64_lo;
2130 AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT);
2131 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2136 amr_std_submit_command(struct amr_command *ac)
2138 struct amr_softc *sc = ac->ac_sc;
2139 static struct timeval lastfail;
2142 lockmgr(&sc->amr_hw_lock, LK_EXCLUSIVE);
2143 if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) {
2144 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2145 if (ac->ac_retries++ > 1000) {
2146 if (ppsratecheck(&lastfail, &curfail, 1))
2147 device_printf(sc->amr_dev, "Too many retries on command %p. "
2148 "Controller is likely dead\n", ac);
2155 * Save the slot number so that we can locate this command when complete.
2156 * Note that ident = 0 seems to be special, so we don't use it.
2158 ac->ac_mailbox.mb_ident = ac->ac_slot + 1; /* will be coppied into mbox */
2159 bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, 14);
2160 sc->amr_mailbox->mb_busy = 1;
2161 sc->amr_mailbox->mb_poll = 0;
2162 sc->amr_mailbox->mb_ack = 0;
2164 AMR_SPOST_COMMAND(sc);
2165 lockmgr(&sc->amr_hw_lock, LK_RELEASE);
2169 /********************************************************************************
2170 * Claim any work that the controller has completed; acknowledge completion,
2171 * save details of the completion in (mbsave)
2174 amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2179 u_int8_t completed[46];
2185 /* work waiting for us? */
2186 if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) {
2188 /* acknowledge interrupt */
2189 AMR_QPUT_ODB(sc, AMR_QODB_READY);
2191 while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff)
2193 sc->amr_mailbox->mb_nstatus = 0xff;
2195 /* wait until fw wrote out all completions */
2196 for (i = 0; i < nstatus; i++) {
2197 while ((completed[i] = sc->amr_mailbox->mb_completed[i]) == 0xff)
2199 sc->amr_mailbox->mb_completed[i] = 0xff;
2202 /* Save information for later processing */
2203 mbsave->mb_nstatus = nstatus;
2204 mbsave->mb_status = sc->amr_mailbox->mb_status;
2205 sc->amr_mailbox->mb_status = 0xff;
2207 for (i = 0; i < nstatus; i++)
2208 mbsave->mb_completed[i] = completed[i];
2210 /* acknowledge that we have the commands */
2211 AMR_QPUT_IDB(sc, AMR_QIDB_ACK);
2214 #ifndef AMR_QUARTZ_GOFASTER
2216 * This waits for the controller to notice that we've taken the
2217 * command from it. It's very inefficient, and we shouldn't do it,
2218 * but if we remove this code, we stop completing commands under
2221 * Peter J says we shouldn't do this. The documentation says we
2222 * should. Who is right?
2224 while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK)
2225 ; /* XXX aiee! what if it dies? */
2229 worked = 1; /* got some work */
2236 amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave)
2245 /* check for valid interrupt status */
2246 istat = AMR_SGET_ISTAT(sc);
2247 if ((istat & AMR_SINTR_VALID) != 0) {
2248 AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */
2250 /* save mailbox, which contains a list of completed commands */
2251 bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave));
2253 AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */
2260 /********************************************************************************
2261 * Notify the controller of the mailbox location.
2264 amr_std_attach_mailbox(struct amr_softc *sc)
2267 /* program the mailbox physical address */
2268 AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff);
2269 AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff);
2270 AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff);
2271 AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff);
2272 AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR);
2274 /* clear any outstanding interrupt and enable interrupts proper */
2275 AMR_SACK_INTERRUPT(sc);
2276 AMR_SENABLE_INTR(sc);
2279 #ifdef AMR_BOARD_INIT
2280 /********************************************************************************
2281 * Initialise the controller
2284 amr_quartz_init(struct amr_softc *sc)
2286 int status, ostatus;
2288 device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc));
2293 while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) {
2294 if (status != ostatus) {
2295 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status));
2299 case AMR_QINIT_NOMEM:
2302 case AMR_QINIT_SCAN:
2303 /* XXX we could print channel/target here */
2311 amr_std_init(struct amr_softc *sc)
2313 int status, ostatus;
2315 device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc));
2320 while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) {
2321 if (status != ostatus) {
2322 device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status));
2326 case AMR_SINIT_NOMEM:
2329 case AMR_SINIT_INPROG:
2330 /* XXX we could print channel/target here? */
2338 /********************************************************************************
2339 ********************************************************************************
2341 ********************************************************************************
2342 ********************************************************************************/
2344 /********************************************************************************
2345 * Identify the controller and print some information about it.
2348 amr_describe_controller(struct amr_softc *sc)
2350 struct amr_prodinfo *ap;
2351 struct amr_enquiry *ae;
2356 * Try to get 40LD product info, which tells us what the card is labelled as.
2358 if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0, &status)) != NULL) {
2359 device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n",
2360 ap->ap_product, ap->ap_firmware, ap->ap_bios,
2368 * Try 8LD extended ENQUIRY to get controller signature, and use lookup table.
2370 if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0, &status)) != NULL) {
2371 prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature);
2373 } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0, &status)) != NULL) {
2376 * Try to work it out based on the PCI signatures.
2378 switch (pci_get_device(sc->amr_dev)) {
2380 prod = "Series 428";
2383 prod = "Series 434";
2386 prod = "unknown controller";
2390 device_printf(sc->amr_dev, "<unsupported controller>\n");
2395 * HP NetRaid controllers have a special encoding of the firmware and
2396 * BIOS versions. The AMI version seems to have it as strings whereas
2397 * the HP version does it with a leading uppercase character and two
2401 if(ae->ae_adapter.aa_firmware[2] >= 'A' &&
2402 ae->ae_adapter.aa_firmware[2] <= 'Z' &&
2403 ae->ae_adapter.aa_firmware[1] < ' ' &&
2404 ae->ae_adapter.aa_firmware[0] < ' ' &&
2405 ae->ae_adapter.aa_bios[2] >= 'A' &&
2406 ae->ae_adapter.aa_bios[2] <= 'Z' &&
2407 ae->ae_adapter.aa_bios[1] < ' ' &&
2408 ae->ae_adapter.aa_bios[0] < ' ') {
2410 /* this looks like we have an HP NetRaid version of the MegaRaid */
2412 if(ae->ae_signature == AMR_SIG_438) {
2413 /* the AMI 438 is a NetRaid 3si in HP-land */
2414 prod = "HP NetRaid 3si";
2417 device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n",
2418 prod, ae->ae_adapter.aa_firmware[2],
2419 ae->ae_adapter.aa_firmware[1],
2420 ae->ae_adapter.aa_firmware[0],
2421 ae->ae_adapter.aa_bios[2],
2422 ae->ae_adapter.aa_bios[1],
2423 ae->ae_adapter.aa_bios[0],
2424 ae->ae_adapter.aa_memorysize);
2426 device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n",
2427 prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios,
2428 ae->ae_adapter.aa_memorysize);
2434 amr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks)
2436 struct amr_command *ac;
2441 sc->amr_state |= AMR_STATE_INTEN;
2443 /* get ourselves a command buffer */
2444 if ((ac = amr_alloccmd(sc)) == NULL)
2446 /* set command flags */
2447 ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT;
2449 /* point the command at our data */
2451 ac->ac_length = blks * AMR_BLKSIZE;
2453 /* build the command proper */
2454 ac->ac_mailbox.mb_command = AMR_CMD_LWRITE;
2455 ac->ac_mailbox.mb_blkcount = blks;
2456 ac->ac_mailbox.mb_lba = lba;
2457 ac->ac_mailbox.mb_drive = unit;
2459 /* can't assume that interrupts are going to work here, so play it safe */
2460 if (sc->amr_poll_command(ac))
2462 error = ac->ac_status;
2468 sc->amr_state &= ~AMR_STATE_INTEN;
2475 /********************************************************************************
2476 * Print the command (ac) in human-readable format
2480 amr_printcommand(struct amr_command *ac)
2482 struct amr_softc *sc = ac->ac_sc;
2483 struct amr_sgentry *sg;
2486 device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n",
2487 ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive);
2488 device_printf(sc->amr_dev, "blkcount %d lba %d\n",
2489 ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba);
2490 device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length);
2491 device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n",
2492 ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem);
2493 device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio);
2495 /* get base address of s/g table */
2496 sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG);
2497 for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++)
2498 device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count);