2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
33 #include <sys/condvar.h>
35 #include <sys/kernel.h>
36 #include <sys/malloc.h>
37 #include <sys/module.h>
40 #include <sys/selinfo.h>
41 #include <sys/sysctl.h>
42 #include <sys/watchdog.h>
49 #include <dev/ipmi/ipmivars.h>
53 static int ipmi_ipmb_checksum(u_char, int);
54 static int ipmi_ipmb_send_message(device_t, u_char, u_char, u_char,
58 static d_ioctl_t ipmi_ioctl;
59 static d_poll_t ipmi_poll;
60 static d_open_t ipmi_open;
61 static void ipmi_dtor(void *arg);
63 int ipmi_attached = 0;
66 static SYSCTL_NODE(_hw, OID_AUTO, ipmi, CTLFLAG_RD, 0,
67 "IPMI driver parameters");
68 SYSCTL_INT(_hw_ipmi, OID_AUTO, on, CTLFLAG_RW,
71 static struct cdevsw ipmi_cdevsw = {
72 .d_version = D_VERSION,
74 .d_ioctl = ipmi_ioctl,
79 static MALLOC_DEFINE(M_IPMI, "ipmi", "ipmi");
82 ipmi_open(struct cdev *cdev, int flags, int fmt, struct thread *td)
84 struct ipmi_device *dev;
85 struct ipmi_softc *sc;
91 /* Initialize the per file descriptor data. */
92 dev = malloc(sizeof(struct ipmi_device), M_IPMI, M_WAITOK | M_ZERO);
93 error = devfs_set_cdevpriv(dev, ipmi_dtor);
100 TAILQ_INIT(&dev->ipmi_completed_requests);
101 dev->ipmi_address = IPMI_BMC_SLAVE_ADDR;
102 dev->ipmi_lun = IPMI_BMC_SMS_LUN;
103 dev->ipmi_softc = sc;
112 ipmi_poll(struct cdev *cdev, int poll_events, struct thread *td)
114 struct ipmi_device *dev;
115 struct ipmi_softc *sc;
118 if (devfs_get_cdevpriv((void **)&dev))
123 if (poll_events & (POLLIN | POLLRDNORM)) {
124 if (!TAILQ_EMPTY(&dev->ipmi_completed_requests))
125 revents |= poll_events & (POLLIN | POLLRDNORM);
126 if (dev->ipmi_requests == 0)
131 if (poll_events & (POLLIN | POLLRDNORM))
132 selrecord(td, &dev->ipmi_select);
140 ipmi_purge_completed_requests(struct ipmi_device *dev)
142 struct ipmi_request *req;
144 while (!TAILQ_EMPTY(&dev->ipmi_completed_requests)) {
145 req = TAILQ_FIRST(&dev->ipmi_completed_requests);
146 TAILQ_REMOVE(&dev->ipmi_completed_requests, req, ir_link);
147 dev->ipmi_requests--;
148 ipmi_free_request(req);
155 struct ipmi_request *req, *nreq;
156 struct ipmi_device *dev;
157 struct ipmi_softc *sc;
160 sc = dev->ipmi_softc;
163 if (dev->ipmi_requests) {
164 /* Throw away any pending requests for this device. */
165 TAILQ_FOREACH_SAFE(req, &sc->ipmi_pending_requests, ir_link,
167 if (req->ir_owner == dev) {
168 TAILQ_REMOVE(&sc->ipmi_pending_requests, req,
170 dev->ipmi_requests--;
171 ipmi_free_request(req);
175 /* Throw away any pending completed requests for this device. */
176 ipmi_purge_completed_requests(dev);
179 * If we still have outstanding requests, they must be stuck
180 * in an interface driver, so wait for those to drain.
182 dev->ipmi_closing = 1;
183 while (dev->ipmi_requests > 0) {
184 msleep(&dev->ipmi_requests, &sc->ipmi_lock, PWAIT,
186 ipmi_purge_completed_requests(dev);
198 ipmi_ipmb_checksum(u_char *data, int len)
208 /* XXX: Needs work */
210 ipmi_ipmb_send_message(device_t dev, u_char channel, u_char netfn,
211 u_char command, u_char seq, u_char *data, int data_len)
213 struct ipmi_softc *sc = device_get_softc(dev);
214 struct ipmi_request *req;
215 u_char slave_addr = 0x52;
218 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
219 IPMI_SEND_MSG, data_len + 8, 0);
220 req->ir_request[0] = channel;
221 req->ir_request[1] = slave_addr;
222 req->ir_request[2] = IPMI_ADDR(netfn, 0);
223 req->ir_request[3] = ipmi_ipmb_checksum(&req->ir_request[1], 2);
224 req->ir_request[4] = sc->ipmi_address;
225 req->ir_request[5] = IPMI_ADDR(seq, sc->ipmi_lun);
226 req->ir_request[6] = command;
228 bcopy(data, &req->ir_request[7], data_len);
229 temp[data_len + 7] = ipmi_ipmb_checksum(&req->ir_request[4],
232 ipmi_submit_driver_request(sc, req);
233 error = req->ir_error;
234 ipmi_free_request(req);
240 ipmi_handle_attn(struct ipmi_softc *sc)
242 struct ipmi_request *req;
245 device_printf(sc->ipmi_dev, "BMC has a message\n");
246 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
247 IPMI_GET_MSG_FLAGS, 0, 1);
249 ipmi_submit_driver_request(sc, req);
251 if (req->ir_error == 0 && req->ir_compcode == 0) {
252 if (req->ir_reply[0] & IPMI_MSG_BUFFER_FULL) {
253 device_printf(sc->ipmi_dev, "message buffer full");
255 if (req->ir_reply[0] & IPMI_WDT_PRE_TIMEOUT) {
256 device_printf(sc->ipmi_dev,
257 "watchdog about to go off");
259 if (req->ir_reply[0] & IPMI_MSG_AVAILABLE) {
260 ipmi_free_request(req);
262 req = ipmi_alloc_driver_request(
263 IPMI_ADDR(IPMI_APP_REQUEST, 0), IPMI_GET_MSG, 0,
266 device_printf(sc->ipmi_dev, "throw out message ");
270 error = req->ir_error;
271 ipmi_free_request(req);
277 #ifdef IPMICTL_SEND_COMMAND_32
278 #define PTRIN(p) ((void *)(uintptr_t)(p))
279 #define PTROUT(p) ((uintptr_t)(p))
283 ipmi_ioctl(struct cdev *cdev, u_long cmd, caddr_t data,
284 int flags, struct thread *td)
286 struct ipmi_softc *sc;
287 struct ipmi_device *dev;
288 struct ipmi_request *kreq;
289 struct ipmi_req *req = (struct ipmi_req *)data;
290 struct ipmi_recv *recv = (struct ipmi_recv *)data;
291 struct ipmi_addr addr;
292 #ifdef IPMICTL_SEND_COMMAND_32
293 struct ipmi_req32 *req32 = (struct ipmi_req32 *)data;
294 struct ipmi_recv32 *recv32 = (struct ipmi_recv32 *)data;
297 struct ipmi_recv recv;
302 error = devfs_get_cdevpriv((void **)&dev);
308 #ifdef IPMICTL_SEND_COMMAND_32
309 /* Convert 32-bit structures to native. */
311 case IPMICTL_SEND_COMMAND_32:
313 req->addr = PTRIN(req32->addr);
314 req->addr_len = req32->addr_len;
315 req->msgid = req32->msgid;
316 req->msg.netfn = req32->msg.netfn;
317 req->msg.cmd = req32->msg.cmd;
318 req->msg.data_len = req32->msg.data_len;
319 req->msg.data = PTRIN(req32->msg.data);
321 case IPMICTL_RECEIVE_MSG_TRUNC_32:
322 case IPMICTL_RECEIVE_MSG_32:
323 recv = &thunk32.recv;
324 recv->addr = PTRIN(recv32->addr);
325 recv->addr_len = recv32->addr_len;
326 recv->msg.data_len = recv32->msg.data_len;
327 recv->msg.data = PTRIN(recv32->msg.data);
333 #ifdef IPMICTL_SEND_COMMAND_32
334 case IPMICTL_SEND_COMMAND_32:
336 case IPMICTL_SEND_COMMAND:
338 * XXX: Need to add proper handling of this.
340 error = copyin(req->addr, &addr, sizeof(addr));
345 /* clear out old stuff in queue of stuff done */
346 /* XXX: This seems odd. */
347 while ((kreq = TAILQ_FIRST(&dev->ipmi_completed_requests))) {
348 TAILQ_REMOVE(&dev->ipmi_completed_requests, kreq,
350 dev->ipmi_requests--;
351 ipmi_free_request(kreq);
355 kreq = ipmi_alloc_request(dev, req->msgid,
356 IPMI_ADDR(req->msg.netfn, 0), req->msg.cmd,
357 req->msg.data_len, IPMI_MAX_RX);
358 error = copyin(req->msg.data, kreq->ir_request,
361 ipmi_free_request(kreq);
365 dev->ipmi_requests++;
366 error = sc->ipmi_enqueue_request(sc, kreq);
371 #ifdef IPMICTL_SEND_COMMAND_32
372 case IPMICTL_RECEIVE_MSG_TRUNC_32:
373 case IPMICTL_RECEIVE_MSG_32:
375 case IPMICTL_RECEIVE_MSG_TRUNC:
376 case IPMICTL_RECEIVE_MSG:
377 error = copyin(recv->addr, &addr, sizeof(addr));
382 kreq = TAILQ_FIRST(&dev->ipmi_completed_requests);
387 addr.channel = IPMI_BMC_CHANNEL;
389 recv->recv_type = IPMI_RESPONSE_RECV_TYPE;
390 recv->msgid = kreq->ir_msgid;
391 recv->msg.netfn = IPMI_REPLY_ADDR(kreq->ir_addr) >> 2;
392 recv->msg.cmd = kreq->ir_command;
393 error = kreq->ir_error;
395 TAILQ_REMOVE(&dev->ipmi_completed_requests, kreq,
397 dev->ipmi_requests--;
399 ipmi_free_request(kreq);
402 len = kreq->ir_replylen + 1;
403 if (recv->msg.data_len < len &&
404 (cmd == IPMICTL_RECEIVE_MSG
405 #ifdef IPMICTL_RECEIVE_MSG_32
406 || cmd == IPMICTL_RECEIVE_MSG_32
412 TAILQ_REMOVE(&dev->ipmi_completed_requests, kreq, ir_link);
413 dev->ipmi_requests--;
415 len = min(recv->msg.data_len, len);
416 recv->msg.data_len = len;
417 error = copyout(&addr, recv->addr,sizeof(addr));
419 error = copyout(&kreq->ir_compcode, recv->msg.data, 1);
421 error = copyout(kreq->ir_reply, recv->msg.data + 1,
423 ipmi_free_request(kreq);
427 case IPMICTL_SET_MY_ADDRESS_CMD:
429 dev->ipmi_address = *(int*)data;
432 case IPMICTL_GET_MY_ADDRESS_CMD:
434 *(int*)data = dev->ipmi_address;
437 case IPMICTL_SET_MY_LUN_CMD:
439 dev->ipmi_lun = *(int*)data & 0x3;
442 case IPMICTL_GET_MY_LUN_CMD:
444 *(int*)data = dev->ipmi_lun;
447 case IPMICTL_SET_GETS_EVENTS_CMD:
449 device_printf(sc->ipmi_dev,
450 "IPMICTL_SET_GETS_EVENTS_CMD NA\n");
453 case IPMICTL_REGISTER_FOR_CMD:
454 case IPMICTL_UNREGISTER_FOR_CMD:
457 device_printf(sc->ipmi_dev, "Unknown IOCTL %lX\n", cmd);
461 #ifdef IPMICTL_SEND_COMMAND_32
462 /* Update changed fields in 32-bit structures. */
464 case IPMICTL_RECEIVE_MSG_TRUNC_32:
465 case IPMICTL_RECEIVE_MSG_32:
466 recv32->recv_type = recv->recv_type;
467 recv32->msgid = recv->msgid;
468 recv32->msg.netfn = recv->msg.netfn;
469 recv32->msg.cmd = recv->msg.cmd;
470 recv32->msg.data_len = recv->msg.data_len;
478 * Request management.
481 /* Allocate a new request with request and reply buffers. */
482 struct ipmi_request *
483 ipmi_alloc_request(struct ipmi_device *dev, long msgid, uint8_t addr,
484 uint8_t command, size_t requestlen, size_t replylen)
486 struct ipmi_request *req;
488 req = malloc(sizeof(struct ipmi_request) + requestlen + replylen,
489 M_IPMI, M_WAITOK | M_ZERO);
491 req->ir_msgid = msgid;
493 req->ir_command = command;
495 req->ir_request = (char *)&req[1];
496 req->ir_requestlen = requestlen;
499 req->ir_reply = (char *)&req[1] + requestlen;
500 req->ir_replybuflen = replylen;
505 /* Free a request no longer in use. */
507 ipmi_free_request(struct ipmi_request *req)
513 /* Store a processed request on the appropriate completion queue. */
515 ipmi_complete_request(struct ipmi_softc *sc, struct ipmi_request *req)
517 struct ipmi_device *dev;
519 IPMI_LOCK_ASSERT(sc);
522 * Anonymous requests (from inside the driver) always have a
523 * waiter that we awaken.
525 if (req->ir_owner == NULL)
529 TAILQ_INSERT_TAIL(&dev->ipmi_completed_requests, req, ir_link);
530 selwakeup(&dev->ipmi_select);
531 if (dev->ipmi_closing)
532 wakeup(&dev->ipmi_requests);
536 /* Enqueue an internal driver request and wait until it is completed. */
538 ipmi_submit_driver_request(struct ipmi_softc *sc, struct ipmi_request *req,
544 error = sc->ipmi_enqueue_request(sc, req);
546 error = msleep(req, &sc->ipmi_lock, 0, "ipmireq", timo);
548 error = req->ir_error;
554 * Helper routine for polled system interfaces that use
555 * ipmi_polled_enqueue_request() to queue requests. This request
556 * waits until there is a pending request and then returns the first
557 * request. If the driver is shutting down, it returns NULL.
559 struct ipmi_request *
560 ipmi_dequeue_request(struct ipmi_softc *sc)
562 struct ipmi_request *req;
564 IPMI_LOCK_ASSERT(sc);
566 while (!sc->ipmi_detaching && TAILQ_EMPTY(&sc->ipmi_pending_requests))
567 cv_wait(&sc->ipmi_request_added, &sc->ipmi_lock);
568 if (sc->ipmi_detaching)
571 req = TAILQ_FIRST(&sc->ipmi_pending_requests);
572 TAILQ_REMOVE(&sc->ipmi_pending_requests, req, ir_link);
576 /* Default implementation of ipmi_enqueue_request() for polled interfaces. */
578 ipmi_polled_enqueue_request(struct ipmi_softc *sc, struct ipmi_request *req)
581 IPMI_LOCK_ASSERT(sc);
583 TAILQ_INSERT_TAIL(&sc->ipmi_pending_requests, req, ir_link);
584 cv_signal(&sc->ipmi_request_added);
589 * Watchdog event handler.
593 ipmi_set_watchdog(struct ipmi_softc *sc, unsigned int sec)
595 struct ipmi_request *req;
598 if (sec > 0xffff / 10)
601 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
602 IPMI_SET_WDOG, 6, 0);
605 req->ir_request[0] = IPMI_SET_WD_TIMER_DONT_STOP
606 | IPMI_SET_WD_TIMER_SMS_OS;
607 req->ir_request[1] = IPMI_SET_WD_ACTION_RESET;
608 req->ir_request[2] = 0;
609 req->ir_request[3] = 0; /* Timer use */
610 req->ir_request[4] = (sec * 10) & 0xff;
611 req->ir_request[5] = (sec * 10) >> 8;
613 req->ir_request[0] = IPMI_SET_WD_TIMER_SMS_OS;
614 req->ir_request[1] = 0;
615 req->ir_request[2] = 0;
616 req->ir_request[3] = 0; /* Timer use */
617 req->ir_request[4] = 0;
618 req->ir_request[5] = 0;
621 error = ipmi_submit_driver_request(sc, req, 0);
623 device_printf(sc->ipmi_dev, "Failed to set watchdog\n");
625 ipmi_free_request(req);
627 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
628 IPMI_RESET_WDOG, 0, 0);
630 error = ipmi_submit_driver_request(sc, req, 0);
632 device_printf(sc->ipmi_dev,
633 "Failed to reset watchdog\n");
636 ipmi_free_request(req);
644 ipmi_wd_event(void *arg, unsigned int cmd, int *error)
646 struct ipmi_softc *sc = arg;
647 unsigned int timeout;
654 if (cmd > 0 && cmd <= 63) {
655 timeout = ((uint64_t)1 << cmd) / 1000000000;
658 e = ipmi_set_watchdog(sc, timeout);
661 sc->ipmi_watchdog_active = 1;
663 (void)ipmi_set_watchdog(sc, 0);
664 } else if (atomic_readandclear_int(&sc->ipmi_watchdog_active) != 0) {
665 e = ipmi_set_watchdog(sc, 0);
666 if (e != 0 && cmd == 0)
672 ipmi_startup(void *arg)
674 struct ipmi_softc *sc = arg;
675 struct ipmi_request *req;
679 config_intrhook_disestablish(&sc->ipmi_ich);
682 /* Initialize interface-independent state. */
683 mtx_init(&sc->ipmi_lock, device_get_nameunit(dev), "ipmi", MTX_DEF);
684 cv_init(&sc->ipmi_request_added, "ipmireq");
685 TAILQ_INIT(&sc->ipmi_pending_requests);
687 /* Initialize interface-dependent state. */
688 error = sc->ipmi_startup(sc);
690 device_printf(dev, "Failed to initialize interface: %d\n",
695 /* Send a GET_DEVICE_ID request. */
696 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
697 IPMI_GET_DEVICE_ID, 0, 15);
699 error = ipmi_submit_driver_request(sc, req, MAX_TIMEOUT);
700 if (error == EWOULDBLOCK) {
701 device_printf(dev, "Timed out waiting for GET_DEVICE_ID\n");
702 ipmi_free_request(req);
705 device_printf(dev, "Failed GET_DEVICE_ID: %d\n", error);
706 ipmi_free_request(req);
708 } else if (req->ir_compcode != 0) {
710 "Bad completion code for GET_DEVICE_ID: %d\n",
712 ipmi_free_request(req);
714 } else if (req->ir_replylen < 5) {
715 device_printf(dev, "Short reply for GET_DEVICE_ID: %d\n",
717 ipmi_free_request(req);
721 device_printf(dev, "IPMI device rev. %d, firmware rev. %d.%d%d, "
723 req->ir_reply[1] & 0x0f,
724 req->ir_reply[2] & 0x7f, req->ir_reply[3] >> 4, req->ir_reply[3] & 0x0f,
725 req->ir_reply[4] & 0x0f, req->ir_reply[4] >> 4);
727 ipmi_free_request(req);
729 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
730 IPMI_CLEAR_FLAGS, 1, 0);
732 ipmi_submit_driver_request(sc, req, 0);
734 /* XXX: Magic numbers */
735 if (req->ir_compcode == 0xc0) {
736 device_printf(dev, "Clear flags is busy\n");
738 if (req->ir_compcode == 0xc1) {
739 device_printf(dev, "Clear flags illegal\n");
741 ipmi_free_request(req);
743 for (i = 0; i < 8; i++) {
744 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
745 IPMI_GET_CHANNEL_INFO, 1, 0);
746 req->ir_request[0] = i;
748 ipmi_submit_driver_request(sc, req, 0);
750 if (req->ir_compcode != 0) {
751 ipmi_free_request(req);
754 ipmi_free_request(req);
756 device_printf(dev, "Number of channels %d\n", i);
758 /* probe for watchdog */
759 req = ipmi_alloc_driver_request(IPMI_ADDR(IPMI_APP_REQUEST, 0),
760 IPMI_GET_WDOG, 0, 0);
762 ipmi_submit_driver_request(sc, req, 0);
764 if (req->ir_compcode == 0x00) {
765 device_printf(dev, "Attached watchdog\n");
766 /* register the watchdog event handler */
767 sc->ipmi_watchdog_tag = EVENTHANDLER_REGISTER(watchdog_list,
768 ipmi_wd_event, sc, 0);
770 ipmi_free_request(req);
772 sc->ipmi_cdev = make_dev(&ipmi_cdevsw, device_get_unit(dev),
773 UID_ROOT, GID_OPERATOR, 0660, "ipmi%d", device_get_unit(dev));
774 if (sc->ipmi_cdev == NULL) {
775 device_printf(dev, "Failed to create cdev\n");
778 sc->ipmi_cdev->si_drv1 = sc;
782 ipmi_attach(device_t dev)
784 struct ipmi_softc *sc = device_get_softc(dev);
787 if (sc->ipmi_irq_res != NULL && sc->ipmi_intr != NULL) {
788 error = bus_setup_intr(dev, sc->ipmi_irq_res, INTR_TYPE_MISC,
789 NULL, sc->ipmi_intr, sc, &sc->ipmi_irq);
791 device_printf(dev, "can't set up interrupt\n");
796 bzero(&sc->ipmi_ich, sizeof(struct intr_config_hook));
797 sc->ipmi_ich.ich_func = ipmi_startup;
798 sc->ipmi_ich.ich_arg = sc;
799 if (config_intrhook_establish(&sc->ipmi_ich) != 0) {
800 device_printf(dev, "can't establish configuration hook\n");
809 ipmi_detach(device_t dev)
811 struct ipmi_softc *sc;
813 sc = device_get_softc(dev);
815 /* Fail if there are any open handles. */
817 if (sc->ipmi_opened) {
823 destroy_dev(sc->ipmi_cdev);
825 /* Detach from watchdog handling and turn off watchdog. */
826 if (sc->ipmi_watchdog_tag) {
827 EVENTHANDLER_DEREGISTER(watchdog_list, sc->ipmi_watchdog_tag);
828 ipmi_set_watchdog(sc, 0);
831 /* XXX: should use shutdown callout I think. */
832 /* If the backend uses a kthread, shut it down. */
834 sc->ipmi_detaching = 1;
835 if (sc->ipmi_kthread) {
836 cv_broadcast(&sc->ipmi_request_added);
837 msleep(sc->ipmi_kthread, &sc->ipmi_lock, 0, "ipmi_wait", 0);
841 bus_teardown_intr(dev, sc->ipmi_irq_res, sc->ipmi_irq);
843 ipmi_release_resources(dev);
844 mtx_destroy(&sc->ipmi_lock);
849 ipmi_release_resources(device_t dev)
851 struct ipmi_softc *sc;
854 sc = device_get_softc(dev);
856 bus_teardown_intr(dev, sc->ipmi_irq_res, sc->ipmi_irq);
857 if (sc->ipmi_irq_res)
858 bus_release_resource(dev, SYS_RES_IRQ, sc->ipmi_irq_rid,
860 for (i = 0; i < MAX_RES; i++)
861 if (sc->ipmi_io_res[i])
862 bus_release_resource(dev, sc->ipmi_io_type,
863 sc->ipmi_io_rid + i, sc->ipmi_io_res[i]);
866 devclass_t ipmi_devclass;
870 ipmi_unload(void *arg)
876 if (devclass_get_devices(ipmi_devclass, &devs, &count) != 0)
878 for (i = 0; i < count; i++)
879 device_delete_child(device_get_parent(devs[i]), devs[i]);
882 SYSUNINIT(ipmi_unload, SI_SUB_DRIVERS, SI_ORDER_FIRST, ipmi_unload, NULL);
886 dump_buf(u_char *data, int len)
894 printf("Address %p len %d\n", data, len);
898 for (; len > 0; len--, data++) {
899 sprintf(temp, "%02x ", *data);
901 if (*data >= ' ' && *data <= '~')
903 else if (*data >= 'A' && *data <= 'Z')
910 printf(" %3x %s %s\n", i, line, buf);
917 for (; count != 16; count++) {
920 printf(" %3x %s %s\n", i, line, buf);