1/*-
2 * Copyright (c) 2008 Yahoo!, Inc.
3 * All rights reserved.
4 * Written by: John Baldwin <jhb@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of the author nor the names of any co-contributors
15 *    may be used to endorse or promote products derived from this software
16 *    without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD userland interface
31 */
32/*-
33 * Copyright (c) 2011-2015 LSI Corp.
34 * Copyright (c) 2013-2015 Avago Technologies
35 * All rights reserved.
36 *
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
39 * are met:
40 * 1. Redistributions of source code must retain the above copyright
41 *    notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 *    notice, this list of conditions and the following disclaimer in the
44 *    documentation and/or other materials provided with the distribution.
45 *
46 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56 * SUCH DAMAGE.
57 *
58 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
59 *
60 * $FreeBSD: releng/10.2/sys/dev/mps/mps_user.c 281564 2015-04-15 21:47:15Z slm $
61 */
62
63#include <sys/cdefs.h>
64__FBSDID("$FreeBSD: releng/10.2/sys/dev/mps/mps_user.c 281564 2015-04-15 21:47:15Z slm $");
65
66#include "opt_compat.h"
67
68/* TODO Move headers to mpsvar */
69#include <sys/types.h>
70#include <sys/param.h>
71#include <sys/systm.h>
72#include <sys/kernel.h>
73#include <sys/selinfo.h>
74#include <sys/module.h>
75#include <sys/bus.h>
76#include <sys/conf.h>
77#include <sys/bio.h>
78#include <sys/malloc.h>
79#include <sys/uio.h>
80#include <sys/sysctl.h>
81#include <sys/ioccom.h>
82#include <sys/endian.h>
83#include <sys/queue.h>
84#include <sys/kthread.h>
85#include <sys/taskqueue.h>
86#include <sys/proc.h>
87#include <sys/sysent.h>
88
89#include <machine/bus.h>
90#include <machine/resource.h>
91#include <sys/rman.h>
92
93#include <cam/cam.h>
94#include <cam/cam_ccb.h>
95#include <cam/scsi/scsi_all.h>
96
97#include <dev/mps/mpi/mpi2_type.h>
98#include <dev/mps/mpi/mpi2.h>
99#include <dev/mps/mpi/mpi2_ioc.h>
100#include <dev/mps/mpi/mpi2_cnfg.h>
101#include <dev/mps/mpi/mpi2_init.h>
102#include <dev/mps/mpi/mpi2_tool.h>
103#include <dev/mps/mps_ioctl.h>
104#include <dev/mps/mpsvar.h>
105#include <dev/mps/mps_table.h>
106#include <dev/mps/mps_sas.h>
107#include <dev/pci/pcivar.h>
108#include <dev/pci/pcireg.h>
109
110static d_open_t		mps_open;
111static d_close_t	mps_close;
112static d_ioctl_t	mps_ioctl_devsw;
113
114static struct cdevsw mps_cdevsw = {
115	.d_version =	D_VERSION,
116	.d_flags =	0,
117	.d_open =	mps_open,
118	.d_close =	mps_close,
119	.d_ioctl =	mps_ioctl_devsw,
120	.d_name =	"mps",
121};
122
123typedef int (mps_user_f)(struct mps_command *, struct mps_usr_command *);
124static mps_user_f	mpi_pre_ioc_facts;
125static mps_user_f	mpi_pre_port_facts;
126static mps_user_f	mpi_pre_fw_download;
127static mps_user_f	mpi_pre_fw_upload;
128static mps_user_f	mpi_pre_sata_passthrough;
129static mps_user_f	mpi_pre_smp_passthrough;
130static mps_user_f	mpi_pre_config;
131static mps_user_f	mpi_pre_sas_io_unit_control;
132
133static int mps_user_read_cfg_header(struct mps_softc *,
134				    struct mps_cfg_page_req *);
135static int mps_user_read_cfg_page(struct mps_softc *,
136				  struct mps_cfg_page_req *, void *);
137static int mps_user_read_extcfg_header(struct mps_softc *,
138				     struct mps_ext_cfg_page_req *);
139static int mps_user_read_extcfg_page(struct mps_softc *,
140				     struct mps_ext_cfg_page_req *, void *);
141static int mps_user_write_cfg_page(struct mps_softc *,
142				   struct mps_cfg_page_req *, void *);
143static int mps_user_setup_request(struct mps_command *,
144				  struct mps_usr_command *);
145static int mps_user_command(struct mps_softc *, struct mps_usr_command *);
146
147static int mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data);
148static void mps_user_get_adapter_data(struct mps_softc *sc,
149    mps_adapter_data_t *data);
150static void mps_user_read_pci_info(struct mps_softc *sc,
151    mps_pci_info_t *data);
152static uint8_t mps_get_fw_diag_buffer_number(struct mps_softc *sc,
153    uint32_t unique_id);
154static int mps_post_fw_diag_buffer(struct mps_softc *sc,
155    mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code);
156static int mps_release_fw_diag_buffer(struct mps_softc *sc,
157    mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code,
158    uint32_t diag_type);
159static int mps_diag_register(struct mps_softc *sc,
160    mps_fw_diag_register_t *diag_register, uint32_t *return_code);
161static int mps_diag_unregister(struct mps_softc *sc,
162    mps_fw_diag_unregister_t *diag_unregister, uint32_t *return_code);
163static int mps_diag_query(struct mps_softc *sc, mps_fw_diag_query_t *diag_query,
164    uint32_t *return_code);
165static int mps_diag_read_buffer(struct mps_softc *sc,
166    mps_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf,
167    uint32_t *return_code);
168static int mps_diag_release(struct mps_softc *sc,
169    mps_fw_diag_release_t *diag_release, uint32_t *return_code);
170static int mps_do_diag_action(struct mps_softc *sc, uint32_t action,
171    uint8_t *diag_action, uint32_t length, uint32_t *return_code);
172static int mps_user_diag_action(struct mps_softc *sc, mps_diag_action_t *data);
173static void mps_user_event_query(struct mps_softc *sc, mps_event_query_t *data);
174static void mps_user_event_enable(struct mps_softc *sc,
175    mps_event_enable_t *data);
176static int mps_user_event_report(struct mps_softc *sc,
177    mps_event_report_t *data);
178static int mps_user_reg_access(struct mps_softc *sc, mps_reg_access_t *data);
179static int mps_user_btdh(struct mps_softc *sc, mps_btdh_mapping_t *data);
180
181static MALLOC_DEFINE(M_MPSUSER, "mps_user", "Buffers for mps(4) ioctls");
182
183/* Macros from compat/freebsd32/freebsd32.h */
184#define	PTRIN(v)	(void *)(uintptr_t)(v)
185#define	PTROUT(v)	(uint32_t)(uintptr_t)(v)
186
187#define	CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
188#define	PTRIN_CP(src,dst,fld)				\
189	do { (dst).fld = PTRIN((src).fld); } while (0)
190#define	PTROUT_CP(src,dst,fld) \
191	do { (dst).fld = PTROUT((src).fld); } while (0)
192
193int
194mps_attach_user(struct mps_softc *sc)
195{
196	int unit;
197
198	unit = device_get_unit(sc->mps_dev);
199	sc->mps_cdev = make_dev(&mps_cdevsw, unit, UID_ROOT, GID_OPERATOR, 0640,
200	    "mps%d", unit);
201	if (sc->mps_cdev == NULL) {
202		return (ENOMEM);
203	}
204	sc->mps_cdev->si_drv1 = sc;
205	return (0);
206}
207
208void
209mps_detach_user(struct mps_softc *sc)
210{
211
212	/* XXX: do a purge of pending requests? */
213	if (sc->mps_cdev != NULL)
214		destroy_dev(sc->mps_cdev);
215}
216
217static int
218mps_open(struct cdev *dev, int flags, int fmt, struct thread *td)
219{
220
221	return (0);
222}
223
224static int
225mps_close(struct cdev *dev, int flags, int fmt, struct thread *td)
226{
227
228	return (0);
229}
230
231static int
232mps_user_read_cfg_header(struct mps_softc *sc,
233    struct mps_cfg_page_req *page_req)
234{
235	MPI2_CONFIG_PAGE_HEADER *hdr;
236	struct mps_config_params params;
237	int	    error;
238
239	hdr = &params.hdr.Struct;
240	params.action = MPI2_CONFIG_ACTION_PAGE_HEADER;
241	params.page_address = le32toh(page_req->page_address);
242	hdr->PageVersion = 0;
243	hdr->PageLength = 0;
244	hdr->PageNumber = page_req->header.PageNumber;
245	hdr->PageType = page_req->header.PageType;
246	params.buffer = NULL;
247	params.length = 0;
248	params.callback = NULL;
249
250	if ((error = mps_read_config_page(sc, &params)) != 0) {
251		/*
252		 * Leave the request. Without resetting the chip, it's
253		 * still owned by it and we'll just get into trouble
254		 * freeing it now. Mark it as abandoned so that if it
255		 * shows up later it can be freed.
256		 */
257		mps_printf(sc, "read_cfg_header timed out\n");
258		return (ETIMEDOUT);
259	}
260
261	page_req->ioc_status = htole16(params.status);
262	if ((page_req->ioc_status & MPI2_IOCSTATUS_MASK) ==
263	    MPI2_IOCSTATUS_SUCCESS) {
264		bcopy(hdr, &page_req->header, sizeof(page_req->header));
265	}
266
267	return (0);
268}
269
270static int
271mps_user_read_cfg_page(struct mps_softc *sc, struct mps_cfg_page_req *page_req,
272    void *buf)
273{
274	MPI2_CONFIG_PAGE_HEADER *reqhdr, *hdr;
275	struct mps_config_params params;
276	int	      error;
277
278	reqhdr = buf;
279	hdr = &params.hdr.Struct;
280	hdr->PageVersion = reqhdr->PageVersion;
281	hdr->PageLength = reqhdr->PageLength;
282	hdr->PageNumber = reqhdr->PageNumber;
283	hdr->PageType = reqhdr->PageType & MPI2_CONFIG_PAGETYPE_MASK;
284	params.action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
285	params.page_address = le32toh(page_req->page_address);
286	params.buffer = buf;
287	params.length = le32toh(page_req->len);
288	params.callback = NULL;
289
290	if ((error = mps_read_config_page(sc, &params)) != 0) {
291		mps_printf(sc, "mps_user_read_cfg_page timed out\n");
292		return (ETIMEDOUT);
293	}
294
295	page_req->ioc_status = htole16(params.status);
296	return (0);
297}
298
299static int
300mps_user_read_extcfg_header(struct mps_softc *sc,
301    struct mps_ext_cfg_page_req *ext_page_req)
302{
303	MPI2_CONFIG_EXTENDED_PAGE_HEADER *hdr;
304	struct mps_config_params params;
305	int	    error;
306
307	hdr = &params.hdr.Ext;
308	params.action = MPI2_CONFIG_ACTION_PAGE_HEADER;
309	hdr->PageVersion = ext_page_req->header.PageVersion;
310	hdr->PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
311	hdr->ExtPageLength = 0;
312	hdr->PageNumber = ext_page_req->header.PageNumber;
313	hdr->ExtPageType = ext_page_req->header.ExtPageType;
314	params.page_address = le32toh(ext_page_req->page_address);
315	params.buffer = NULL;
316	params.length = 0;
317	params.callback = NULL;
318
319	if ((error = mps_read_config_page(sc, &params)) != 0) {
320		/*
321		 * Leave the request. Without resetting the chip, it's
322		 * still owned by it and we'll just get into trouble
323		 * freeing it now. Mark it as abandoned so that if it
324		 * shows up later it can be freed.
325		 */
326		mps_printf(sc, "mps_user_read_extcfg_header timed out\n");
327		return (ETIMEDOUT);
328	}
329
330	ext_page_req->ioc_status = htole16(params.status);
331	if ((ext_page_req->ioc_status & MPI2_IOCSTATUS_MASK) ==
332	    MPI2_IOCSTATUS_SUCCESS) {
333		ext_page_req->header.PageVersion = hdr->PageVersion;
334		ext_page_req->header.PageNumber = hdr->PageNumber;
335		ext_page_req->header.PageType = hdr->PageType;
336		ext_page_req->header.ExtPageLength = hdr->ExtPageLength;
337		ext_page_req->header.ExtPageType = hdr->ExtPageType;
338	}
339
340	return (0);
341}
342
343static int
344mps_user_read_extcfg_page(struct mps_softc *sc,
345    struct mps_ext_cfg_page_req *ext_page_req, void *buf)
346{
347	MPI2_CONFIG_EXTENDED_PAGE_HEADER *reqhdr, *hdr;
348	struct mps_config_params params;
349	int error;
350
351	reqhdr = buf;
352	hdr = &params.hdr.Ext;
353	params.action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
354	params.page_address = le32toh(ext_page_req->page_address);
355	hdr->PageVersion = reqhdr->PageVersion;
356	hdr->PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
357	hdr->PageNumber = reqhdr->PageNumber;
358	hdr->ExtPageType = reqhdr->ExtPageType;
359	hdr->ExtPageLength = reqhdr->ExtPageLength;
360	params.buffer = buf;
361	params.length = le32toh(ext_page_req->len);
362	params.callback = NULL;
363
364	if ((error = mps_read_config_page(sc, &params)) != 0) {
365		mps_printf(sc, "mps_user_read_extcfg_page timed out\n");
366		return (ETIMEDOUT);
367	}
368
369	ext_page_req->ioc_status = htole16(params.status);
370	return (0);
371}
372
373static int
374mps_user_write_cfg_page(struct mps_softc *sc,
375    struct mps_cfg_page_req *page_req, void *buf)
376{
377	MPI2_CONFIG_PAGE_HEADER *reqhdr, *hdr;
378	struct mps_config_params params;
379	u_int	      hdr_attr;
380	int	      error;
381
382	reqhdr = buf;
383	hdr = &params.hdr.Struct;
384	hdr_attr = reqhdr->PageType & MPI2_CONFIG_PAGEATTR_MASK;
385	if (hdr_attr != MPI2_CONFIG_PAGEATTR_CHANGEABLE &&
386	    hdr_attr != MPI2_CONFIG_PAGEATTR_PERSISTENT) {
387		mps_printf(sc, "page type 0x%x not changeable\n",
388			reqhdr->PageType & MPI2_CONFIG_PAGETYPE_MASK);
389		return (EINVAL);
390	}
391
392	/*
393	 * There isn't any point in restoring stripped out attributes
394	 * if you then mask them going down to issue the request.
395	 */
396
397	hdr->PageVersion = reqhdr->PageVersion;
398	hdr->PageLength = reqhdr->PageLength;
399	hdr->PageNumber = reqhdr->PageNumber;
400	hdr->PageType = reqhdr->PageType;
401	params.action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
402	params.page_address = le32toh(page_req->page_address);
403	params.buffer = buf;
404	params.length = le32toh(page_req->len);
405	params.callback = NULL;
406
407	if ((error = mps_write_config_page(sc, &params)) != 0) {
408		mps_printf(sc, "mps_write_cfg_page timed out\n");
409		return (ETIMEDOUT);
410	}
411
412	page_req->ioc_status = htole16(params.status);
413	return (0);
414}
415
416void
417mpi_init_sge(struct mps_command *cm, void *req, void *sge)
418{
419	int off, space;
420
421	space = (int)cm->cm_sc->facts->IOCRequestFrameSize * 4;
422	off = (uintptr_t)sge - (uintptr_t)req;
423
424	KASSERT(off < space, ("bad pointers %p %p, off %d, space %d",
425            req, sge, off, space));
426
427	cm->cm_sge = sge;
428	cm->cm_sglsize = space - off;
429}
430
431/*
432 * Prepare the mps_command for an IOC_FACTS request.
433 */
434static int
435mpi_pre_ioc_facts(struct mps_command *cm, struct mps_usr_command *cmd)
436{
437	MPI2_IOC_FACTS_REQUEST *req = (void *)cm->cm_req;
438	MPI2_IOC_FACTS_REPLY *rpl;
439
440	if (cmd->req_len != sizeof *req)
441		return (EINVAL);
442	if (cmd->rpl_len != sizeof *rpl)
443		return (EINVAL);
444
445	cm->cm_sge = NULL;
446	cm->cm_sglsize = 0;
447	return (0);
448}
449
450/*
451 * Prepare the mps_command for a PORT_FACTS request.
452 */
453static int
454mpi_pre_port_facts(struct mps_command *cm, struct mps_usr_command *cmd)
455{
456	MPI2_PORT_FACTS_REQUEST *req = (void *)cm->cm_req;
457	MPI2_PORT_FACTS_REPLY *rpl;
458
459	if (cmd->req_len != sizeof *req)
460		return (EINVAL);
461	if (cmd->rpl_len != sizeof *rpl)
462		return (EINVAL);
463
464	cm->cm_sge = NULL;
465	cm->cm_sglsize = 0;
466	return (0);
467}
468
469/*
470 * Prepare the mps_command for a FW_DOWNLOAD request.
471 */
472static int
473mpi_pre_fw_download(struct mps_command *cm, struct mps_usr_command *cmd)
474{
475	MPI2_FW_DOWNLOAD_REQUEST *req = (void *)cm->cm_req;
476	MPI2_FW_DOWNLOAD_REPLY *rpl;
477	MPI2_FW_DOWNLOAD_TCSGE tc;
478	int error;
479
480	/*
481	 * This code assumes there is room in the request's SGL for
482	 * the TransactionContext plus at least a SGL chain element.
483	 */
484	CTASSERT(sizeof req->SGL >= sizeof tc + MPS_SGC_SIZE);
485
486	if (cmd->req_len != sizeof *req)
487		return (EINVAL);
488	if (cmd->rpl_len != sizeof *rpl)
489		return (EINVAL);
490
491	if (cmd->len == 0)
492		return (EINVAL);
493
494	error = copyin(cmd->buf, cm->cm_data, cmd->len);
495	if (error != 0)
496		return (error);
497
498	mpi_init_sge(cm, req, &req->SGL);
499	bzero(&tc, sizeof tc);
500
501	/*
502	 * For now, the F/W image must be provided in a single request.
503	 */
504	if ((req->MsgFlags & MPI2_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT) == 0)
505		return (EINVAL);
506	if (req->TotalImageSize != cmd->len)
507		return (EINVAL);
508
509	/*
510	 * The value of the first two elements is specified in the
511	 * Fusion-MPT Message Passing Interface document.
512	 */
513	tc.ContextSize = 0;
514	tc.DetailsLength = 12;
515	tc.ImageOffset = 0;
516	tc.ImageSize = cmd->len;
517
518	cm->cm_flags |= MPS_CM_FLAGS_DATAOUT;
519
520	return (mps_push_sge(cm, &tc, sizeof tc, 0));
521}
522
523/*
524 * Prepare the mps_command for a FW_UPLOAD request.
525 */
526static int
527mpi_pre_fw_upload(struct mps_command *cm, struct mps_usr_command *cmd)
528{
529	MPI2_FW_UPLOAD_REQUEST *req = (void *)cm->cm_req;
530	MPI2_FW_UPLOAD_REPLY *rpl;
531	MPI2_FW_UPLOAD_TCSGE tc;
532
533	/*
534	 * This code assumes there is room in the request's SGL for
535	 * the TransactionContext plus at least a SGL chain element.
536	 */
537	CTASSERT(sizeof req->SGL >= sizeof tc + MPS_SGC_SIZE);
538
539	if (cmd->req_len != sizeof *req)
540		return (EINVAL);
541	if (cmd->rpl_len != sizeof *rpl)
542		return (EINVAL);
543
544	mpi_init_sge(cm, req, &req->SGL);
545	bzero(&tc, sizeof tc);
546
547	/*
548	 * The value of the first two elements is specified in the
549	 * Fusion-MPT Message Passing Interface document.
550	 */
551	tc.ContextSize = 0;
552	tc.DetailsLength = 12;
553	/*
554	 * XXX Is there any reason to fetch a partial image?  I.e. to
555	 * set ImageOffset to something other than 0?
556	 */
557	tc.ImageOffset = 0;
558	tc.ImageSize = cmd->len;
559
560	cm->cm_flags |= MPS_CM_FLAGS_DATAIN;
561
562	return (mps_push_sge(cm, &tc, sizeof tc, 0));
563}
564
565/*
566 * Prepare the mps_command for a SATA_PASSTHROUGH request.
567 */
568static int
569mpi_pre_sata_passthrough(struct mps_command *cm, struct mps_usr_command *cmd)
570{
571	MPI2_SATA_PASSTHROUGH_REQUEST *req = (void *)cm->cm_req;
572	MPI2_SATA_PASSTHROUGH_REPLY *rpl;
573
574	if (cmd->req_len != sizeof *req)
575		return (EINVAL);
576	if (cmd->rpl_len != sizeof *rpl)
577		return (EINVAL);
578
579	mpi_init_sge(cm, req, &req->SGL);
580	return (0);
581}
582
583/*
584 * Prepare the mps_command for a SMP_PASSTHROUGH request.
585 */
586static int
587mpi_pre_smp_passthrough(struct mps_command *cm, struct mps_usr_command *cmd)
588{
589	MPI2_SMP_PASSTHROUGH_REQUEST *req = (void *)cm->cm_req;
590	MPI2_SMP_PASSTHROUGH_REPLY *rpl;
591
592	if (cmd->req_len != sizeof *req)
593		return (EINVAL);
594	if (cmd->rpl_len != sizeof *rpl)
595		return (EINVAL);
596
597	mpi_init_sge(cm, req, &req->SGL);
598	return (0);
599}
600
601/*
602 * Prepare the mps_command for a CONFIG request.
603 */
604static int
605mpi_pre_config(struct mps_command *cm, struct mps_usr_command *cmd)
606{
607	MPI2_CONFIG_REQUEST *req = (void *)cm->cm_req;
608	MPI2_CONFIG_REPLY *rpl;
609
610	if (cmd->req_len != sizeof *req)
611		return (EINVAL);
612	if (cmd->rpl_len != sizeof *rpl)
613		return (EINVAL);
614
615	mpi_init_sge(cm, req, &req->PageBufferSGE);
616	return (0);
617}
618
619/*
620 * Prepare the mps_command for a SAS_IO_UNIT_CONTROL request.
621 */
622static int
623mpi_pre_sas_io_unit_control(struct mps_command *cm,
624			     struct mps_usr_command *cmd)
625{
626
627	cm->cm_sge = NULL;
628	cm->cm_sglsize = 0;
629	return (0);
630}
631
632/*
633 * A set of functions to prepare an mps_command for the various
634 * supported requests.
635 */
636struct mps_user_func {
637	U8		Function;
638	mps_user_f	*f_pre;
639} mps_user_func_list[] = {
640	{ MPI2_FUNCTION_IOC_FACTS,		mpi_pre_ioc_facts },
641	{ MPI2_FUNCTION_PORT_FACTS,		mpi_pre_port_facts },
642	{ MPI2_FUNCTION_FW_DOWNLOAD, 		mpi_pre_fw_download },
643	{ MPI2_FUNCTION_FW_UPLOAD,		mpi_pre_fw_upload },
644	{ MPI2_FUNCTION_SATA_PASSTHROUGH,	mpi_pre_sata_passthrough },
645	{ MPI2_FUNCTION_SMP_PASSTHROUGH,	mpi_pre_smp_passthrough},
646	{ MPI2_FUNCTION_CONFIG,			mpi_pre_config},
647	{ MPI2_FUNCTION_SAS_IO_UNIT_CONTROL,	mpi_pre_sas_io_unit_control },
648	{ 0xFF,					NULL } /* list end */
649};
650
651static int
652mps_user_setup_request(struct mps_command *cm, struct mps_usr_command *cmd)
653{
654	MPI2_REQUEST_HEADER *hdr = (MPI2_REQUEST_HEADER *)cm->cm_req;
655	struct mps_user_func *f;
656
657	for (f = mps_user_func_list; f->f_pre != NULL; f++) {
658		if (hdr->Function == f->Function)
659			return (f->f_pre(cm, cmd));
660	}
661	return (EINVAL);
662}
663
664static int
665mps_user_command(struct mps_softc *sc, struct mps_usr_command *cmd)
666{
667	MPI2_REQUEST_HEADER *hdr;
668	MPI2_DEFAULT_REPLY *rpl;
669	void *buf = NULL;
670	struct mps_command *cm = NULL;
671	int err = 0;
672	int sz;
673
674	mps_lock(sc);
675	cm = mps_alloc_command(sc);
676
677	if (cm == NULL) {
678		mps_printf(sc, "%s: no mps requests\n", __func__);
679		err = ENOMEM;
680		goto Ret;
681	}
682	mps_unlock(sc);
683
684	hdr = (MPI2_REQUEST_HEADER *)cm->cm_req;
685
686	mps_dprint(sc, MPS_USER, "%s: req %p %d  rpl %p %d\n", __func__,
687	    cmd->req, cmd->req_len, cmd->rpl, cmd->rpl_len);
688
689	if (cmd->req_len > (int)sc->facts->IOCRequestFrameSize * 4) {
690		err = EINVAL;
691		goto RetFreeUnlocked;
692	}
693	err = copyin(cmd->req, hdr, cmd->req_len);
694	if (err != 0)
695		goto RetFreeUnlocked;
696
697	mps_dprint(sc, MPS_USER, "%s: Function %02X MsgFlags %02X\n", __func__,
698	    hdr->Function, hdr->MsgFlags);
699
700	if (cmd->len > 0) {
701		buf = malloc(cmd->len, M_MPSUSER, M_WAITOK|M_ZERO);
702		if(!buf) {
703			mps_printf(sc, "Cannot allocate memory %s %d\n",
704			 __func__, __LINE__);
705			return (ENOMEM);
706		}
707		cm->cm_data = buf;
708		cm->cm_length = cmd->len;
709	} else {
710		cm->cm_data = NULL;
711		cm->cm_length = 0;
712	}
713
714	cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE;
715	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
716
717	err = mps_user_setup_request(cm, cmd);
718	if (err == EINVAL) {
719		mps_printf(sc, "%s: unsupported parameter or unsupported "
720		    "function in request (function = 0x%X)\n", __func__,
721		    hdr->Function);
722	}
723	if (err != 0)
724		goto RetFreeUnlocked;
725
726	mps_lock(sc);
727	err = mps_wait_command(sc, cm, 60, CAN_SLEEP);
728
729	if (err) {
730		mps_printf(sc, "%s: invalid request: error %d\n",
731		    __func__, err);
732		goto Ret;
733	}
734
735	rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply;
736	if (rpl != NULL)
737		sz = rpl->MsgLength * 4;
738	else
739		sz = 0;
740
741	if (sz > cmd->rpl_len) {
742		mps_printf(sc, "%s: user reply buffer (%d) smaller than "
743		    "returned buffer (%d)\n", __func__, cmd->rpl_len, sz);
744		sz = cmd->rpl_len;
745	}
746
747	mps_unlock(sc);
748	copyout(rpl, cmd->rpl, sz);
749	if (buf != NULL)
750		copyout(buf, cmd->buf, cmd->len);
751	mps_dprint(sc, MPS_USER, "%s: reply size %d\n", __func__, sz);
752
753RetFreeUnlocked:
754	mps_lock(sc);
755	if (cm != NULL)
756		mps_free_command(sc, cm);
757Ret:
758	mps_unlock(sc);
759	if (buf != NULL)
760		free(buf, M_MPSUSER);
761	return (err);
762}
763
764static int
765mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data)
766{
767	MPI2_REQUEST_HEADER	*hdr, tmphdr;
768	MPI2_DEFAULT_REPLY	*rpl;
769	struct mps_command	*cm = NULL;
770	int			err = 0, dir = 0, sz;
771	uint8_t			function = 0;
772	u_int			sense_len;
773	struct mpssas_target	*targ = NULL;
774
775	/*
776	 * Only allow one passthru command at a time.  Use the MPS_FLAGS_BUSY
777	 * bit to denote that a passthru is being processed.
778	 */
779	mps_lock(sc);
780	if (sc->mps_flags & MPS_FLAGS_BUSY) {
781		mps_dprint(sc, MPS_USER, "%s: Only one passthru command "
782		    "allowed at a single time.", __func__);
783		mps_unlock(sc);
784		return (EBUSY);
785	}
786	sc->mps_flags |= MPS_FLAGS_BUSY;
787	mps_unlock(sc);
788
789	/*
790	 * Do some validation on data direction.  Valid cases are:
791	 *    1) DataSize is 0 and direction is NONE
792	 *    2) DataSize is non-zero and one of:
793	 *        a) direction is READ or
794	 *        b) direction is WRITE or
795	 *        c) direction is BOTH and DataOutSize is non-zero
796	 * If valid and the direction is BOTH, change the direction to READ.
797	 * if valid and the direction is not BOTH, make sure DataOutSize is 0.
798	 */
799	if (((data->DataSize == 0) &&
800	    (data->DataDirection == MPS_PASS_THRU_DIRECTION_NONE)) ||
801	    ((data->DataSize != 0) &&
802	    ((data->DataDirection == MPS_PASS_THRU_DIRECTION_READ) ||
803	    (data->DataDirection == MPS_PASS_THRU_DIRECTION_WRITE) ||
804	    ((data->DataDirection == MPS_PASS_THRU_DIRECTION_BOTH) &&
805	    (data->DataOutSize != 0))))) {
806		if (data->DataDirection == MPS_PASS_THRU_DIRECTION_BOTH)
807			data->DataDirection = MPS_PASS_THRU_DIRECTION_READ;
808		else
809			data->DataOutSize = 0;
810	} else
811		return (EINVAL);
812
813	mps_dprint(sc, MPS_USER, "%s: req 0x%jx %d  rpl 0x%jx %d "
814	    "data in 0x%jx %d data out 0x%jx %d data dir %d\n", __func__,
815	    data->PtrRequest, data->RequestSize, data->PtrReply,
816	    data->ReplySize, data->PtrData, data->DataSize,
817	    data->PtrDataOut, data->DataOutSize, data->DataDirection);
818
819	/*
820	 * copy in the header so we know what we're dealing with before we
821	 * commit to allocating a command for it.
822	 */
823	err = copyin(PTRIN(data->PtrRequest), &tmphdr, data->RequestSize);
824	if (err != 0)
825		goto RetFreeUnlocked;
826
827	if (data->RequestSize > (int)sc->facts->IOCRequestFrameSize * 4) {
828		err = EINVAL;
829		goto RetFreeUnlocked;
830	}
831
832	function = tmphdr.Function;
833	mps_dprint(sc, MPS_USER, "%s: Function %02X MsgFlags %02X\n", __func__,
834	    function, tmphdr.MsgFlags);
835
836	/*
837	 * Handle a passthru TM request.
838	 */
839	if (function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
840		MPI2_SCSI_TASK_MANAGE_REQUEST	*task;
841
842		mps_lock(sc);
843		cm = mpssas_alloc_tm(sc);
844		if (cm == NULL) {
845			err = EINVAL;
846			goto Ret;
847		}
848
849		/* Copy the header in.  Only a small fixup is needed. */
850		task = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
851		bcopy(&tmphdr, task, data->RequestSize);
852		task->TaskMID = cm->cm_desc.Default.SMID;
853
854		cm->cm_data = NULL;
855		cm->cm_desc.HighPriority.RequestFlags =
856		    MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
857		cm->cm_complete = NULL;
858		cm->cm_complete_data = NULL;
859
860		targ = mpssas_find_target_by_handle(sc->sassc, 0,
861		    task->DevHandle);
862		if (targ == NULL) {
863			mps_dprint(sc, MPS_INFO,
864			   "%s %d : invalid handle for requested TM 0x%x \n",
865			   __func__, __LINE__, task->DevHandle);
866			err = 1;
867		} else {
868			mpssas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD);
869			err = mps_wait_command(sc, cm, 30, CAN_SLEEP);
870		}
871
872		if (err != 0) {
873			err = EIO;
874			mps_dprint(sc, MPS_FAULT, "%s: task management failed",
875			    __func__);
876		}
877		/*
878		 * Copy the reply data and sense data to user space.
879		 */
880		if (cm->cm_reply != NULL) {
881			rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply;
882			sz = rpl->MsgLength * 4;
883
884			if (sz > data->ReplySize) {
885				mps_printf(sc, "%s: user reply buffer (%d) "
886				    "smaller than returned buffer (%d)\n",
887				    __func__, data->ReplySize, sz);
888			}
889			mps_unlock(sc);
890			copyout(cm->cm_reply, PTRIN(data->PtrReply),
891			    data->ReplySize);
892			mps_lock(sc);
893		}
894		mpssas_free_tm(sc, cm);
895		goto Ret;
896	}
897
898	mps_lock(sc);
899	cm = mps_alloc_command(sc);
900
901	if (cm == NULL) {
902		mps_printf(sc, "%s: no mps requests\n", __func__);
903		err = ENOMEM;
904		goto Ret;
905	}
906	mps_unlock(sc);
907
908	hdr = (MPI2_REQUEST_HEADER *)cm->cm_req;
909	bcopy(&tmphdr, hdr, data->RequestSize);
910
911	/*
912	 * Do some checking to make sure the IOCTL request contains a valid
913	 * request.  Then set the SGL info.
914	 */
915	mpi_init_sge(cm, hdr, (void *)((uint8_t *)hdr + data->RequestSize));
916
917	/*
918	 * Set up for read, write or both.  From check above, DataOutSize will
919	 * be 0 if direction is READ or WRITE, but it will have some non-zero
920	 * value if the direction is BOTH.  So, just use the biggest size to get
921	 * the cm_data buffer size.  If direction is BOTH, 2 SGLs need to be set
922	 * up; the first is for the request and the second will contain the
923	 * response data. cm_out_len needs to be set here and this will be used
924	 * when the SGLs are set up.
925	 */
926	cm->cm_data = NULL;
927	cm->cm_length = MAX(data->DataSize, data->DataOutSize);
928	cm->cm_out_len = data->DataOutSize;
929	cm->cm_flags = 0;
930	if (cm->cm_length != 0) {
931		cm->cm_data = malloc(cm->cm_length, M_MPSUSER, M_WAITOK |
932		    M_ZERO);
933		if (cm->cm_data == NULL) {
934			mps_dprint(sc, MPS_FAULT, "%s: alloc failed for IOCTL "
935			    "passthru length %d\n", __func__, cm->cm_length);
936		} else {
937			cm->cm_flags = MPS_CM_FLAGS_DATAIN;
938			if (data->DataOutSize) {
939				cm->cm_flags |= MPS_CM_FLAGS_DATAOUT;
940				err = copyin(PTRIN(data->PtrDataOut),
941				    cm->cm_data, data->DataOutSize);
942			} else if (data->DataDirection ==
943			    MPS_PASS_THRU_DIRECTION_WRITE) {
944				cm->cm_flags = MPS_CM_FLAGS_DATAOUT;
945				err = copyin(PTRIN(data->PtrData),
946				    cm->cm_data, data->DataSize);
947			}
948			if (err != 0)
949				mps_dprint(sc, MPS_FAULT, "%s: failed to copy "
950				    "IOCTL data from user space\n", __func__);
951		}
952	}
953	cm->cm_flags |= MPS_CM_FLAGS_SGE_SIMPLE;
954	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
955
956	/*
957	 * Set up Sense buffer and SGL offset for IO passthru.  SCSI IO request
958	 * uses SCSI IO descriptor.
959	 */
960	if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) ||
961	    (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
962		MPI2_SCSI_IO_REQUEST	*scsi_io_req;
963
964		scsi_io_req = (MPI2_SCSI_IO_REQUEST *)hdr;
965		/*
966		 * Put SGE for data and data_out buffer at the end of
967		 * scsi_io_request message header (64 bytes in total).
968		 * Following above SGEs, the residual space will be used by
969		 * sense data.
970		 */
971		scsi_io_req->SenseBufferLength = (uint8_t)(data->RequestSize -
972		    64);
973		scsi_io_req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
974
975		/*
976		 * Set SGLOffset0 value.  This is the number of dwords that SGL
977		 * is offset from the beginning of MPI2_SCSI_IO_REQUEST struct.
978		 */
979		scsi_io_req->SGLOffset0 = 24;
980
981		/*
982		 * Setup descriptor info.  RAID passthrough must use the
983		 * default request descriptor which is already set, so if this
984		 * is a SCSI IO request, change the descriptor to SCSI IO.
985		 * Also, if this is a SCSI IO request, handle the reply in the
986		 * mpssas_scsio_complete function.
987		 */
988		if (function == MPI2_FUNCTION_SCSI_IO_REQUEST) {
989			cm->cm_desc.SCSIIO.RequestFlags =
990			    MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
991			cm->cm_desc.SCSIIO.DevHandle = scsi_io_req->DevHandle;
992
993			/*
994			 * Make sure the DevHandle is not 0 because this is a
995			 * likely error.
996			 */
997			if (scsi_io_req->DevHandle == 0) {
998				err = EINVAL;
999				goto RetFreeUnlocked;
1000			}
1001		}
1002	}
1003
1004	mps_lock(sc);
1005
1006	err = mps_wait_command(sc, cm, 30, CAN_SLEEP);
1007
1008	if (err) {
1009		mps_printf(sc, "%s: invalid request: error %d\n", __func__,
1010		    err);
1011		mps_unlock(sc);
1012		goto RetFreeUnlocked;
1013	}
1014
1015	/*
1016	 * Sync the DMA data, if any.  Then copy the data to user space.
1017	 */
1018	if (cm->cm_data != NULL) {
1019		if (cm->cm_flags & MPS_CM_FLAGS_DATAIN)
1020			dir = BUS_DMASYNC_POSTREAD;
1021		else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT)
1022			dir = BUS_DMASYNC_POSTWRITE;
1023		bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
1024		bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
1025
1026		if (cm->cm_flags & MPS_CM_FLAGS_DATAIN) {
1027			mps_unlock(sc);
1028			err = copyout(cm->cm_data,
1029			    PTRIN(data->PtrData), data->DataSize);
1030			mps_lock(sc);
1031			if (err != 0)
1032				mps_dprint(sc, MPS_FAULT, "%s: failed to copy "
1033				    "IOCTL data to user space\n", __func__);
1034		}
1035	}
1036
1037	/*
1038	 * Copy the reply data and sense data to user space.
1039	 */
1040	if (cm->cm_reply != NULL) {
1041		rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply;
1042		sz = rpl->MsgLength * 4;
1043
1044		if (sz > data->ReplySize) {
1045			mps_printf(sc, "%s: user reply buffer (%d) smaller "
1046			    "than returned buffer (%d)\n", __func__,
1047			    data->ReplySize, sz);
1048		}
1049		mps_unlock(sc);
1050		copyout(cm->cm_reply, PTRIN(data->PtrReply), data->ReplySize);
1051		mps_lock(sc);
1052
1053		if ((function == MPI2_FUNCTION_SCSI_IO_REQUEST) ||
1054		    (function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
1055			if (((MPI2_SCSI_IO_REPLY *)rpl)->SCSIState &
1056			    MPI2_SCSI_STATE_AUTOSENSE_VALID) {
1057				sense_len =
1058				    MIN((le32toh(((MPI2_SCSI_IO_REPLY *)rpl)->SenseCount)),
1059				    sizeof(struct scsi_sense_data));
1060				mps_unlock(sc);
1061				copyout(cm->cm_sense, cm->cm_req + 64, sense_len);
1062				mps_lock(sc);
1063			}
1064		}
1065	}
1066	mps_unlock(sc);
1067
1068RetFreeUnlocked:
1069	mps_lock(sc);
1070
1071	if (cm != NULL) {
1072		if (cm->cm_data)
1073			free(cm->cm_data, M_MPSUSER);
1074		mps_free_command(sc, cm);
1075	}
1076Ret:
1077	sc->mps_flags &= ~MPS_FLAGS_BUSY;
1078	mps_unlock(sc);
1079
1080	return (err);
1081}
1082
1083static void
1084mps_user_get_adapter_data(struct mps_softc *sc, mps_adapter_data_t *data)
1085{
1086	Mpi2ConfigReply_t	mpi_reply;
1087	Mpi2BiosPage3_t		config_page;
1088
1089	/*
1090	 * Use the PCI interface functions to get the Bus, Device, and Function
1091	 * information.
1092	 */
1093	data->PciInformation.u.bits.BusNumber = pci_get_bus(sc->mps_dev);
1094	data->PciInformation.u.bits.DeviceNumber = pci_get_slot(sc->mps_dev);
1095	data->PciInformation.u.bits.FunctionNumber =
1096	    pci_get_function(sc->mps_dev);
1097
1098	/*
1099	 * Get the FW version that should already be saved in IOC Facts.
1100	 */
1101	data->MpiFirmwareVersion = sc->facts->FWVersion.Word;
1102
1103	/*
1104	 * General device info.
1105	 */
1106	data->AdapterType = MPSIOCTL_ADAPTER_TYPE_SAS2;
1107	if (sc->mps_flags & MPS_FLAGS_WD_AVAILABLE)
1108		data->AdapterType = MPSIOCTL_ADAPTER_TYPE_SAS2_SSS6200;
1109	data->PCIDeviceHwId = pci_get_device(sc->mps_dev);
1110	data->PCIDeviceHwRev = pci_read_config(sc->mps_dev, PCIR_REVID, 1);
1111	data->SubSystemId = pci_get_subdevice(sc->mps_dev);
1112	data->SubsystemVendorId = pci_get_subvendor(sc->mps_dev);
1113
1114	/*
1115	 * Get the driver version.
1116	 */
1117	strcpy((char *)&data->DriverVersion[0], MPS_DRIVER_VERSION);
1118
1119	/*
1120	 * Need to get BIOS Config Page 3 for the BIOS Version.
1121	 */
1122	data->BiosVersion = 0;
1123	mps_lock(sc);
1124	if (mps_config_get_bios_pg3(sc, &mpi_reply, &config_page))
1125		printf("%s: Error while retrieving BIOS Version\n", __func__);
1126	else
1127		data->BiosVersion = config_page.BiosVersion;
1128	mps_unlock(sc);
1129}
1130
1131static void
1132mps_user_read_pci_info(struct mps_softc *sc, mps_pci_info_t *data)
1133{
1134	int	i;
1135
1136	/*
1137	 * Use the PCI interface functions to get the Bus, Device, and Function
1138	 * information.
1139	 */
1140	data->BusNumber = pci_get_bus(sc->mps_dev);
1141	data->DeviceNumber = pci_get_slot(sc->mps_dev);
1142	data->FunctionNumber = pci_get_function(sc->mps_dev);
1143
1144	/*
1145	 * Now get the interrupt vector and the pci header.  The vector can
1146	 * only be 0 right now.  The header is the first 256 bytes of config
1147	 * space.
1148	 */
1149	data->InterruptVector = 0;
1150	for (i = 0; i < sizeof (data->PciHeader); i++) {
1151		data->PciHeader[i] = pci_read_config(sc->mps_dev, i, 1);
1152	}
1153}
1154
1155static uint8_t
1156mps_get_fw_diag_buffer_number(struct mps_softc *sc, uint32_t unique_id)
1157{
1158	uint8_t	index;
1159
1160	for (index = 0; index < MPI2_DIAG_BUF_TYPE_COUNT; index++) {
1161		if (sc->fw_diag_buffer_list[index].unique_id == unique_id) {
1162			return (index);
1163		}
1164	}
1165
1166	return (MPS_FW_DIAGNOSTIC_UID_NOT_FOUND);
1167}
1168
1169static int
1170mps_post_fw_diag_buffer(struct mps_softc *sc,
1171    mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code)
1172{
1173	MPI2_DIAG_BUFFER_POST_REQUEST	*req;
1174	MPI2_DIAG_BUFFER_POST_REPLY	*reply;
1175	struct mps_command		*cm = NULL;
1176	int				i, status;
1177
1178	/*
1179	 * If buffer is not enabled, just leave.
1180	 */
1181	*return_code = MPS_FW_DIAG_ERROR_POST_FAILED;
1182	if (!pBuffer->enabled) {
1183		return (MPS_DIAG_FAILURE);
1184	}
1185
1186	/*
1187	 * Clear some flags initially.
1188	 */
1189	pBuffer->force_release = FALSE;
1190	pBuffer->valid_data = FALSE;
1191	pBuffer->owned_by_firmware = FALSE;
1192
1193	/*
1194	 * Get a command.
1195	 */
1196	cm = mps_alloc_command(sc);
1197	if (cm == NULL) {
1198		mps_printf(sc, "%s: no mps requests\n", __func__);
1199		return (MPS_DIAG_FAILURE);
1200	}
1201
1202	/*
1203	 * Build the request for releasing the FW Diag Buffer and send it.
1204	 */
1205	req = (MPI2_DIAG_BUFFER_POST_REQUEST *)cm->cm_req;
1206	req->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1207	req->BufferType = pBuffer->buffer_type;
1208	req->ExtendedType = pBuffer->extended_type;
1209	req->BufferLength = pBuffer->size;
1210	for (i = 0; i < (sizeof(req->ProductSpecific) / 4); i++)
1211		req->ProductSpecific[i] = pBuffer->product_specific[i];
1212	mps_from_u64(sc->fw_diag_busaddr, &req->BufferAddress);
1213	cm->cm_data = NULL;
1214	cm->cm_length = 0;
1215	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1216	cm->cm_complete_data = NULL;
1217
1218	/*
1219	 * Send command synchronously.
1220	 */
1221	status = mps_wait_command(sc, cm, 30, CAN_SLEEP);
1222	if (status) {
1223		mps_printf(sc, "%s: invalid request: error %d\n", __func__,
1224		    status);
1225		status = MPS_DIAG_FAILURE;
1226		goto done;
1227	}
1228
1229	/*
1230	 * Process POST reply.
1231	 */
1232	reply = (MPI2_DIAG_BUFFER_POST_REPLY *)cm->cm_reply;
1233	if (reply->IOCStatus != MPI2_IOCSTATUS_SUCCESS) {
1234		status = MPS_DIAG_FAILURE;
1235		mps_dprint(sc, MPS_FAULT, "%s: post of FW  Diag Buffer failed "
1236		    "with IOCStatus = 0x%x, IOCLogInfo = 0x%x and "
1237		    "TransferLength = 0x%x\n", __func__, reply->IOCStatus,
1238		    reply->IOCLogInfo, reply->TransferLength);
1239		goto done;
1240	}
1241
1242	/*
1243	 * Post was successful.
1244	 */
1245	pBuffer->valid_data = TRUE;
1246	pBuffer->owned_by_firmware = TRUE;
1247	*return_code = MPS_FW_DIAG_ERROR_SUCCESS;
1248	status = MPS_DIAG_SUCCESS;
1249
1250done:
1251	mps_free_command(sc, cm);
1252	return (status);
1253}
1254
1255static int
1256mps_release_fw_diag_buffer(struct mps_softc *sc,
1257    mps_fw_diagnostic_buffer_t *pBuffer, uint32_t *return_code,
1258    uint32_t diag_type)
1259{
1260	MPI2_DIAG_RELEASE_REQUEST	*req;
1261	MPI2_DIAG_RELEASE_REPLY		*reply;
1262	struct mps_command		*cm = NULL;
1263	int				status;
1264
1265	/*
1266	 * If buffer is not enabled, just leave.
1267	 */
1268	*return_code = MPS_FW_DIAG_ERROR_RELEASE_FAILED;
1269	if (!pBuffer->enabled) {
1270		mps_dprint(sc, MPS_USER, "%s: This buffer type is not "
1271		    "supported by the IOC", __func__);
1272		return (MPS_DIAG_FAILURE);
1273	}
1274
1275	/*
1276	 * Clear some flags initially.
1277	 */
1278	pBuffer->force_release = FALSE;
1279	pBuffer->valid_data = FALSE;
1280	pBuffer->owned_by_firmware = FALSE;
1281
1282	/*
1283	 * Get a command.
1284	 */
1285	cm = mps_alloc_command(sc);
1286	if (cm == NULL) {
1287		mps_printf(sc, "%s: no mps requests\n", __func__);
1288		return (MPS_DIAG_FAILURE);
1289	}
1290
1291	/*
1292	 * Build the request for releasing the FW Diag Buffer and send it.
1293	 */
1294	req = (MPI2_DIAG_RELEASE_REQUEST *)cm->cm_req;
1295	req->Function = MPI2_FUNCTION_DIAG_RELEASE;
1296	req->BufferType = pBuffer->buffer_type;
1297	cm->cm_data = NULL;
1298	cm->cm_length = 0;
1299	cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1300	cm->cm_complete_data = NULL;
1301
1302	/*
1303	 * Send command synchronously.
1304	 */
1305	status = mps_wait_command(sc, cm, 30, CAN_SLEEP);
1306	if (status) {
1307		mps_printf(sc, "%s: invalid request: error %d\n", __func__,
1308		    status);
1309		status = MPS_DIAG_FAILURE;
1310		goto done;
1311	}
1312
1313	/*
1314	 * Process RELEASE reply.
1315	 */
1316	reply = (MPI2_DIAG_RELEASE_REPLY *)cm->cm_reply;
1317	if ((reply->IOCStatus != MPI2_IOCSTATUS_SUCCESS) ||
1318	    pBuffer->owned_by_firmware) {
1319		status = MPS_DIAG_FAILURE;
1320		mps_dprint(sc, MPS_FAULT, "%s: release of FW Diag Buffer "
1321		    "failed with IOCStatus = 0x%x and IOCLogInfo = 0x%x\n",
1322		    __func__, reply->IOCStatus, reply->IOCLogInfo);
1323		goto done;
1324	}
1325
1326	/*
1327	 * Release was successful.
1328	 */
1329	*return_code = MPS_FW_DIAG_ERROR_SUCCESS;
1330	status = MPS_DIAG_SUCCESS;
1331
1332	/*
1333	 * If this was for an UNREGISTER diag type command, clear the unique ID.
1334	 */
1335	if (diag_type == MPS_FW_DIAG_TYPE_UNREGISTER) {
1336		pBuffer->unique_id = MPS_FW_DIAG_INVALID_UID;
1337	}
1338
1339done:
1340	return (status);
1341}
1342
1343static int
1344mps_diag_register(struct mps_softc *sc, mps_fw_diag_register_t *diag_register,
1345    uint32_t *return_code)
1346{
1347	mps_fw_diagnostic_buffer_t	*pBuffer;
1348	uint8_t				extended_type, buffer_type, i;
1349	uint32_t			buffer_size;
1350	uint32_t			unique_id;
1351	int				status;
1352
1353	extended_type = diag_register->ExtendedType;
1354	buffer_type = diag_register->BufferType;
1355	buffer_size = diag_register->RequestedBufferSize;
1356	unique_id = diag_register->UniqueId;
1357
1358	/*
1359	 * Check for valid buffer type
1360	 */
1361	if (buffer_type >= MPI2_DIAG_BUF_TYPE_COUNT) {
1362		*return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1363		return (MPS_DIAG_FAILURE);
1364	}
1365
1366	/*
1367	 * Get the current buffer and look up the unique ID.  The unique ID
1368	 * should not be found.  If it is, the ID is already in use.
1369	 */
1370	i = mps_get_fw_diag_buffer_number(sc, unique_id);
1371	pBuffer = &sc->fw_diag_buffer_list[buffer_type];
1372	if (i != MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) {
1373		*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1374		return (MPS_DIAG_FAILURE);
1375	}
1376
1377	/*
1378	 * The buffer's unique ID should not be registered yet, and the given
1379	 * unique ID cannot be 0.
1380	 */
1381	if ((pBuffer->unique_id != MPS_FW_DIAG_INVALID_UID) ||
1382	    (unique_id == MPS_FW_DIAG_INVALID_UID)) {
1383		*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1384		return (MPS_DIAG_FAILURE);
1385	}
1386
1387	/*
1388	 * If this buffer is already posted as immediate, just change owner.
1389	 */
1390	if (pBuffer->immediate && pBuffer->owned_by_firmware &&
1391	    (pBuffer->unique_id == MPS_FW_DIAG_INVALID_UID)) {
1392		pBuffer->immediate = FALSE;
1393		pBuffer->unique_id = unique_id;
1394		return (MPS_DIAG_SUCCESS);
1395	}
1396
1397	/*
1398	 * Post a new buffer after checking if it's enabled.  The DMA buffer
1399	 * that is allocated will be contiguous (nsegments = 1).
1400	 */
1401	if (!pBuffer->enabled) {
1402		*return_code = MPS_FW_DIAG_ERROR_NO_BUFFER;
1403		return (MPS_DIAG_FAILURE);
1404	}
1405        if (bus_dma_tag_create( sc->mps_parent_dmat,    /* parent */
1406				1, 0,			/* algnmnt, boundary */
1407				BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
1408				BUS_SPACE_MAXADDR,	/* highaddr */
1409				NULL, NULL,		/* filter, filterarg */
1410                                buffer_size,		/* maxsize */
1411                                1,			/* nsegments */
1412                                buffer_size,		/* maxsegsize */
1413                                0,			/* flags */
1414                                NULL, NULL,		/* lockfunc, lockarg */
1415                                &sc->fw_diag_dmat)) {
1416		device_printf(sc->mps_dev, "Cannot allocate FW diag buffer DMA "
1417		    "tag\n");
1418		return (ENOMEM);
1419        }
1420        if (bus_dmamem_alloc(sc->fw_diag_dmat, (void **)&sc->fw_diag_buffer,
1421	    BUS_DMA_NOWAIT, &sc->fw_diag_map)) {
1422		device_printf(sc->mps_dev, "Cannot allocate FW diag buffer "
1423		    "memory\n");
1424		return (ENOMEM);
1425        }
1426        bzero(sc->fw_diag_buffer, buffer_size);
1427        bus_dmamap_load(sc->fw_diag_dmat, sc->fw_diag_map, sc->fw_diag_buffer,
1428	    buffer_size, mps_memaddr_cb, &sc->fw_diag_busaddr, 0);
1429	pBuffer->size = buffer_size;
1430
1431	/*
1432	 * Copy the given info to the diag buffer and post the buffer.
1433	 */
1434	pBuffer->buffer_type = buffer_type;
1435	pBuffer->immediate = FALSE;
1436	if (buffer_type == MPI2_DIAG_BUF_TYPE_TRACE) {
1437		for (i = 0; i < (sizeof (pBuffer->product_specific) / 4);
1438		    i++) {
1439			pBuffer->product_specific[i] =
1440			    diag_register->ProductSpecific[i];
1441		}
1442	}
1443	pBuffer->extended_type = extended_type;
1444	pBuffer->unique_id = unique_id;
1445	status = mps_post_fw_diag_buffer(sc, pBuffer, return_code);
1446
1447	/*
1448	 * In case there was a failure, free the DMA buffer.
1449	 */
1450	if (status == MPS_DIAG_FAILURE) {
1451		if (sc->fw_diag_busaddr != 0)
1452			bus_dmamap_unload(sc->fw_diag_dmat, sc->fw_diag_map);
1453		if (sc->fw_diag_buffer != NULL)
1454			bus_dmamem_free(sc->fw_diag_dmat, sc->fw_diag_buffer,
1455			    sc->fw_diag_map);
1456		if (sc->fw_diag_dmat != NULL)
1457			bus_dma_tag_destroy(sc->fw_diag_dmat);
1458	}
1459
1460	return (status);
1461}
1462
1463static int
1464mps_diag_unregister(struct mps_softc *sc,
1465    mps_fw_diag_unregister_t *diag_unregister, uint32_t *return_code)
1466{
1467	mps_fw_diagnostic_buffer_t	*pBuffer;
1468	uint8_t				i;
1469	uint32_t			unique_id;
1470	int				status;
1471
1472	unique_id = diag_unregister->UniqueId;
1473
1474	/*
1475	 * Get the current buffer and look up the unique ID.  The unique ID
1476	 * should be there.
1477	 */
1478	i = mps_get_fw_diag_buffer_number(sc, unique_id);
1479	if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) {
1480		*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1481		return (MPS_DIAG_FAILURE);
1482	}
1483
1484	pBuffer = &sc->fw_diag_buffer_list[i];
1485
1486	/*
1487	 * Try to release the buffer from FW before freeing it.  If release
1488	 * fails, don't free the DMA buffer in case FW tries to access it
1489	 * later.  If buffer is not owned by firmware, can't release it.
1490	 */
1491	if (!pBuffer->owned_by_firmware) {
1492		status = MPS_DIAG_SUCCESS;
1493	} else {
1494		status = mps_release_fw_diag_buffer(sc, pBuffer, return_code,
1495		    MPS_FW_DIAG_TYPE_UNREGISTER);
1496	}
1497
1498	/*
1499	 * At this point, return the current status no matter what happens with
1500	 * the DMA buffer.
1501	 */
1502	pBuffer->unique_id = MPS_FW_DIAG_INVALID_UID;
1503	if (status == MPS_DIAG_SUCCESS) {
1504		if (sc->fw_diag_busaddr != 0)
1505			bus_dmamap_unload(sc->fw_diag_dmat, sc->fw_diag_map);
1506		if (sc->fw_diag_buffer != NULL)
1507			bus_dmamem_free(sc->fw_diag_dmat, sc->fw_diag_buffer,
1508			    sc->fw_diag_map);
1509		if (sc->fw_diag_dmat != NULL)
1510			bus_dma_tag_destroy(sc->fw_diag_dmat);
1511	}
1512
1513	return (status);
1514}
1515
1516static int
1517mps_diag_query(struct mps_softc *sc, mps_fw_diag_query_t *diag_query,
1518    uint32_t *return_code)
1519{
1520	mps_fw_diagnostic_buffer_t	*pBuffer;
1521	uint8_t				i;
1522	uint32_t			unique_id;
1523
1524	unique_id = diag_query->UniqueId;
1525
1526	/*
1527	 * If ID is valid, query on ID.
1528	 * If ID is invalid, query on buffer type.
1529	 */
1530	if (unique_id == MPS_FW_DIAG_INVALID_UID) {
1531		i = diag_query->BufferType;
1532		if (i >= MPI2_DIAG_BUF_TYPE_COUNT) {
1533			*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1534			return (MPS_DIAG_FAILURE);
1535		}
1536	} else {
1537		i = mps_get_fw_diag_buffer_number(sc, unique_id);
1538		if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) {
1539			*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1540			return (MPS_DIAG_FAILURE);
1541		}
1542	}
1543
1544	/*
1545	 * Fill query structure with the diag buffer info.
1546	 */
1547	pBuffer = &sc->fw_diag_buffer_list[i];
1548	diag_query->BufferType = pBuffer->buffer_type;
1549	diag_query->ExtendedType = pBuffer->extended_type;
1550	if (diag_query->BufferType == MPI2_DIAG_BUF_TYPE_TRACE) {
1551		for (i = 0; i < (sizeof(diag_query->ProductSpecific) / 4);
1552		    i++) {
1553			diag_query->ProductSpecific[i] =
1554			    pBuffer->product_specific[i];
1555		}
1556	}
1557	diag_query->TotalBufferSize = pBuffer->size;
1558	diag_query->DriverAddedBufferSize = 0;
1559	diag_query->UniqueId = pBuffer->unique_id;
1560	diag_query->ApplicationFlags = 0;
1561	diag_query->DiagnosticFlags = 0;
1562
1563	/*
1564	 * Set/Clear application flags
1565	 */
1566	if (pBuffer->immediate) {
1567		diag_query->ApplicationFlags &= ~MPS_FW_DIAG_FLAG_APP_OWNED;
1568	} else {
1569		diag_query->ApplicationFlags |= MPS_FW_DIAG_FLAG_APP_OWNED;
1570	}
1571	if (pBuffer->valid_data || pBuffer->owned_by_firmware) {
1572		diag_query->ApplicationFlags |= MPS_FW_DIAG_FLAG_BUFFER_VALID;
1573	} else {
1574		diag_query->ApplicationFlags &= ~MPS_FW_DIAG_FLAG_BUFFER_VALID;
1575	}
1576	if (pBuffer->owned_by_firmware) {
1577		diag_query->ApplicationFlags |=
1578		    MPS_FW_DIAG_FLAG_FW_BUFFER_ACCESS;
1579	} else {
1580		diag_query->ApplicationFlags &=
1581		    ~MPS_FW_DIAG_FLAG_FW_BUFFER_ACCESS;
1582	}
1583
1584	return (MPS_DIAG_SUCCESS);
1585}
1586
1587static int
1588mps_diag_read_buffer(struct mps_softc *sc,
1589    mps_diag_read_buffer_t *diag_read_buffer, uint8_t *ioctl_buf,
1590    uint32_t *return_code)
1591{
1592	mps_fw_diagnostic_buffer_t	*pBuffer;
1593	uint8_t				i, *pData;
1594	uint32_t			unique_id;
1595	int				status;
1596
1597	unique_id = diag_read_buffer->UniqueId;
1598
1599	/*
1600	 * Get the current buffer and look up the unique ID.  The unique ID
1601	 * should be there.
1602	 */
1603	i = mps_get_fw_diag_buffer_number(sc, unique_id);
1604	if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) {
1605		*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1606		return (MPS_DIAG_FAILURE);
1607	}
1608
1609	pBuffer = &sc->fw_diag_buffer_list[i];
1610
1611	/*
1612	 * Make sure requested read is within limits
1613	 */
1614	if (diag_read_buffer->StartingOffset + diag_read_buffer->BytesToRead >
1615	    pBuffer->size) {
1616		*return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1617		return (MPS_DIAG_FAILURE);
1618	}
1619
1620	/*
1621	 * Copy the requested data from DMA to the diag_read_buffer.  The DMA
1622	 * buffer that was allocated is one contiguous buffer.
1623	 */
1624	pData = (uint8_t *)(sc->fw_diag_buffer +
1625	    diag_read_buffer->StartingOffset);
1626	if (copyout(pData, ioctl_buf, diag_read_buffer->BytesToRead) != 0)
1627		return (MPS_DIAG_FAILURE);
1628	diag_read_buffer->Status = 0;
1629
1630	/*
1631	 * Set or clear the Force Release flag.
1632	 */
1633	if (pBuffer->force_release) {
1634		diag_read_buffer->Flags |= MPS_FW_DIAG_FLAG_FORCE_RELEASE;
1635	} else {
1636		diag_read_buffer->Flags &= ~MPS_FW_DIAG_FLAG_FORCE_RELEASE;
1637	}
1638
1639	/*
1640	 * If buffer is to be reregistered, make sure it's not already owned by
1641	 * firmware first.
1642	 */
1643	status = MPS_DIAG_SUCCESS;
1644	if (!pBuffer->owned_by_firmware) {
1645		if (diag_read_buffer->Flags & MPS_FW_DIAG_FLAG_REREGISTER) {
1646			status = mps_post_fw_diag_buffer(sc, pBuffer,
1647			    return_code);
1648		}
1649	}
1650
1651	return (status);
1652}
1653
1654static int
1655mps_diag_release(struct mps_softc *sc, mps_fw_diag_release_t *diag_release,
1656    uint32_t *return_code)
1657{
1658	mps_fw_diagnostic_buffer_t	*pBuffer;
1659	uint8_t				i;
1660	uint32_t			unique_id;
1661	int				status;
1662
1663	unique_id = diag_release->UniqueId;
1664
1665	/*
1666	 * Get the current buffer and look up the unique ID.  The unique ID
1667	 * should be there.
1668	 */
1669	i = mps_get_fw_diag_buffer_number(sc, unique_id);
1670	if (i == MPS_FW_DIAGNOSTIC_UID_NOT_FOUND) {
1671		*return_code = MPS_FW_DIAG_ERROR_INVALID_UID;
1672		return (MPS_DIAG_FAILURE);
1673	}
1674
1675	pBuffer = &sc->fw_diag_buffer_list[i];
1676
1677	/*
1678	 * If buffer is not owned by firmware, it's already been released.
1679	 */
1680	if (!pBuffer->owned_by_firmware) {
1681		*return_code = MPS_FW_DIAG_ERROR_ALREADY_RELEASED;
1682		return (MPS_DIAG_FAILURE);
1683	}
1684
1685	/*
1686	 * Release the buffer.
1687	 */
1688	status = mps_release_fw_diag_buffer(sc, pBuffer, return_code,
1689	    MPS_FW_DIAG_TYPE_RELEASE);
1690	return (status);
1691}
1692
1693static int
1694mps_do_diag_action(struct mps_softc *sc, uint32_t action, uint8_t *diag_action,
1695    uint32_t length, uint32_t *return_code)
1696{
1697	mps_fw_diag_register_t		diag_register;
1698	mps_fw_diag_unregister_t	diag_unregister;
1699	mps_fw_diag_query_t		diag_query;
1700	mps_diag_read_buffer_t		diag_read_buffer;
1701	mps_fw_diag_release_t		diag_release;
1702	int				status = MPS_DIAG_SUCCESS;
1703	uint32_t			original_return_code;
1704
1705	original_return_code = *return_code;
1706	*return_code = MPS_FW_DIAG_ERROR_SUCCESS;
1707
1708	switch (action) {
1709		case MPS_FW_DIAG_TYPE_REGISTER:
1710			if (!length) {
1711				*return_code =
1712				    MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1713				status = MPS_DIAG_FAILURE;
1714				break;
1715			}
1716			if (copyin(diag_action, &diag_register,
1717			    sizeof(diag_register)) != 0)
1718				return (MPS_DIAG_FAILURE);
1719			status = mps_diag_register(sc, &diag_register,
1720			    return_code);
1721			break;
1722
1723		case MPS_FW_DIAG_TYPE_UNREGISTER:
1724			if (length < sizeof(diag_unregister)) {
1725				*return_code =
1726				    MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1727				status = MPS_DIAG_FAILURE;
1728				break;
1729			}
1730			if (copyin(diag_action, &diag_unregister,
1731			    sizeof(diag_unregister)) != 0)
1732				return (MPS_DIAG_FAILURE);
1733			status = mps_diag_unregister(sc, &diag_unregister,
1734			    return_code);
1735			break;
1736
1737		case MPS_FW_DIAG_TYPE_QUERY:
1738			if (length < sizeof (diag_query)) {
1739				*return_code =
1740				    MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1741				status = MPS_DIAG_FAILURE;
1742				break;
1743			}
1744			if (copyin(diag_action, &diag_query, sizeof(diag_query))
1745			    != 0)
1746				return (MPS_DIAG_FAILURE);
1747			status = mps_diag_query(sc, &diag_query, return_code);
1748			if (status == MPS_DIAG_SUCCESS)
1749				if (copyout(&diag_query, diag_action,
1750				    sizeof (diag_query)) != 0)
1751					return (MPS_DIAG_FAILURE);
1752			break;
1753
1754		case MPS_FW_DIAG_TYPE_READ_BUFFER:
1755			if (copyin(diag_action, &diag_read_buffer,
1756			    sizeof(diag_read_buffer)) != 0)
1757				return (MPS_DIAG_FAILURE);
1758			if (length < diag_read_buffer.BytesToRead) {
1759				*return_code =
1760				    MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1761				status = MPS_DIAG_FAILURE;
1762				break;
1763			}
1764			status = mps_diag_read_buffer(sc, &diag_read_buffer,
1765			    PTRIN(diag_read_buffer.PtrDataBuffer),
1766			    return_code);
1767			if (status == MPS_DIAG_SUCCESS) {
1768				if (copyout(&diag_read_buffer, diag_action,
1769				    sizeof(diag_read_buffer) -
1770				    sizeof(diag_read_buffer.PtrDataBuffer)) !=
1771				    0)
1772					return (MPS_DIAG_FAILURE);
1773			}
1774			break;
1775
1776		case MPS_FW_DIAG_TYPE_RELEASE:
1777			if (length < sizeof(diag_release)) {
1778				*return_code =
1779				    MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1780				status = MPS_DIAG_FAILURE;
1781				break;
1782			}
1783			if (copyin(diag_action, &diag_release,
1784			    sizeof(diag_release)) != 0)
1785				return (MPS_DIAG_FAILURE);
1786			status = mps_diag_release(sc, &diag_release,
1787			    return_code);
1788			break;
1789
1790		default:
1791			*return_code = MPS_FW_DIAG_ERROR_INVALID_PARAMETER;
1792			status = MPS_DIAG_FAILURE;
1793			break;
1794	}
1795
1796	if ((status == MPS_DIAG_FAILURE) &&
1797	    (original_return_code == MPS_FW_DIAG_NEW) &&
1798	    (*return_code != MPS_FW_DIAG_ERROR_SUCCESS))
1799		status = MPS_DIAG_SUCCESS;
1800
1801	return (status);
1802}
1803
1804static int
1805mps_user_diag_action(struct mps_softc *sc, mps_diag_action_t *data)
1806{
1807	int			status;
1808
1809	/*
1810	 * Only allow one diag action at one time.
1811	 */
1812	if (sc->mps_flags & MPS_FLAGS_BUSY) {
1813		mps_dprint(sc, MPS_USER, "%s: Only one FW diag command "
1814		    "allowed at a single time.", __func__);
1815		return (EBUSY);
1816	}
1817	sc->mps_flags |= MPS_FLAGS_BUSY;
1818
1819	/*
1820	 * Send diag action request
1821	 */
1822	if (data->Action == MPS_FW_DIAG_TYPE_REGISTER ||
1823	    data->Action == MPS_FW_DIAG_TYPE_UNREGISTER ||
1824	    data->Action == MPS_FW_DIAG_TYPE_QUERY ||
1825	    data->Action == MPS_FW_DIAG_TYPE_READ_BUFFER ||
1826	    data->Action == MPS_FW_DIAG_TYPE_RELEASE) {
1827		status = mps_do_diag_action(sc, data->Action,
1828		    PTRIN(data->PtrDiagAction), data->Length,
1829		    &data->ReturnCode);
1830	} else
1831		status = EINVAL;
1832
1833	sc->mps_flags &= ~MPS_FLAGS_BUSY;
1834	return (status);
1835}
1836
1837/*
1838 * Copy the event recording mask and the event queue size out.  For
1839 * clarification, the event recording mask (events_to_record) is not the same
1840 * thing as the event mask (event_mask).  events_to_record has a bit set for
1841 * every event type that is to be recorded by the driver, and event_mask has a
1842 * bit cleared for every event that is allowed into the driver from the IOC.
1843 * They really have nothing to do with each other.
1844 */
1845static void
1846mps_user_event_query(struct mps_softc *sc, mps_event_query_t *data)
1847{
1848	uint8_t	i;
1849
1850	mps_lock(sc);
1851	data->Entries = MPS_EVENT_QUEUE_SIZE;
1852
1853	for (i = 0; i < 4; i++) {
1854		data->Types[i] = sc->events_to_record[i];
1855	}
1856	mps_unlock(sc);
1857}
1858
1859/*
1860 * Set the driver's event mask according to what's been given.  See
1861 * mps_user_event_query for explanation of the event recording mask and the IOC
1862 * event mask.  It's the app's responsibility to enable event logging by setting
1863 * the bits in events_to_record.  Initially, no events will be logged.
1864 */
1865static void
1866mps_user_event_enable(struct mps_softc *sc, mps_event_enable_t *data)
1867{
1868	uint8_t	i;
1869
1870	mps_lock(sc);
1871	for (i = 0; i < 4; i++) {
1872		sc->events_to_record[i] = data->Types[i];
1873	}
1874	mps_unlock(sc);
1875}
1876
1877/*
1878 * Copy out the events that have been recorded, up to the max events allowed.
1879 */
1880static int
1881mps_user_event_report(struct mps_softc *sc, mps_event_report_t *data)
1882{
1883	int		status = 0;
1884	uint32_t	size;
1885
1886	mps_lock(sc);
1887	size = data->Size;
1888	if ((size >= sizeof(sc->recorded_events)) && (status == 0)) {
1889		mps_unlock(sc);
1890		if (copyout((void *)sc->recorded_events,
1891		    PTRIN(data->PtrEvents), size) != 0)
1892			status = EFAULT;
1893		mps_lock(sc);
1894	} else {
1895		/*
1896		 * data->Size value is not large enough to copy event data.
1897		 */
1898		status = EFAULT;
1899	}
1900
1901	/*
1902	 * Change size value to match the number of bytes that were copied.
1903	 */
1904	if (status == 0)
1905		data->Size = sizeof(sc->recorded_events);
1906	mps_unlock(sc);
1907
1908	return (status);
1909}
1910
1911/*
1912 * Record events into the driver from the IOC if they are not masked.
1913 */
1914void
1915mpssas_record_event(struct mps_softc *sc,
1916    MPI2_EVENT_NOTIFICATION_REPLY *event_reply)
1917{
1918	uint32_t	event;
1919	int		i, j;
1920	uint16_t	event_data_len;
1921	boolean_t	sendAEN = FALSE;
1922
1923	event = event_reply->Event;
1924
1925	/*
1926	 * Generate a system event to let anyone who cares know that a
1927	 * LOG_ENTRY_ADDED event has occurred.  This is sent no matter what the
1928	 * event mask is set to.
1929	 */
1930	if (event == MPI2_EVENT_LOG_ENTRY_ADDED) {
1931		sendAEN = TRUE;
1932	}
1933
1934	/*
1935	 * Record the event only if its corresponding bit is set in
1936	 * events_to_record.  event_index is the index into recorded_events and
1937	 * event_number is the overall number of an event being recorded since
1938	 * start-of-day.  event_index will roll over; event_number will never
1939	 * roll over.
1940	 */
1941	i = (uint8_t)(event / 32);
1942	j = (uint8_t)(event % 32);
1943	if ((i < 4) && ((1 << j) & sc->events_to_record[i])) {
1944		i = sc->event_index;
1945		sc->recorded_events[i].Type = event;
1946		sc->recorded_events[i].Number = ++sc->event_number;
1947		bzero(sc->recorded_events[i].Data, MPS_MAX_EVENT_DATA_LENGTH *
1948		    4);
1949		event_data_len = event_reply->EventDataLength;
1950
1951		if (event_data_len > 0) {
1952			/*
1953			 * Limit data to size in m_event entry
1954			 */
1955			if (event_data_len > MPS_MAX_EVENT_DATA_LENGTH) {
1956				event_data_len = MPS_MAX_EVENT_DATA_LENGTH;
1957			}
1958			for (j = 0; j < event_data_len; j++) {
1959				sc->recorded_events[i].Data[j] =
1960				    event_reply->EventData[j];
1961			}
1962
1963			/*
1964			 * check for index wrap-around
1965			 */
1966			if (++i == MPS_EVENT_QUEUE_SIZE) {
1967				i = 0;
1968			}
1969			sc->event_index = (uint8_t)i;
1970
1971			/*
1972			 * Set flag to send the event.
1973			 */
1974			sendAEN = TRUE;
1975		}
1976	}
1977
1978	/*
1979	 * Generate a system event if flag is set to let anyone who cares know
1980	 * that an event has occurred.
1981	 */
1982	if (sendAEN) {
1983//SLM-how to send a system event (see kqueue, kevent)
1984//		(void) ddi_log_sysevent(mpt->m_dip, DDI_VENDOR_LSI, "MPT_SAS",
1985//		    "SAS", NULL, NULL, DDI_NOSLEEP);
1986	}
1987}
1988
1989static int
1990mps_user_reg_access(struct mps_softc *sc, mps_reg_access_t *data)
1991{
1992	int	status = 0;
1993
1994	switch (data->Command) {
1995		/*
1996		 * IO access is not supported.
1997		 */
1998		case REG_IO_READ:
1999		case REG_IO_WRITE:
2000			mps_dprint(sc, MPS_USER, "IO access is not supported. "
2001			    "Use memory access.");
2002			status = EINVAL;
2003			break;
2004
2005		case REG_MEM_READ:
2006			data->RegData = mps_regread(sc, data->RegOffset);
2007			break;
2008
2009		case REG_MEM_WRITE:
2010			mps_regwrite(sc, data->RegOffset, data->RegData);
2011			break;
2012
2013		default:
2014			status = EINVAL;
2015			break;
2016	}
2017
2018	return (status);
2019}
2020
2021static int
2022mps_user_btdh(struct mps_softc *sc, mps_btdh_mapping_t *data)
2023{
2024	uint8_t		bt2dh = FALSE;
2025	uint8_t		dh2bt = FALSE;
2026	uint16_t	dev_handle, bus, target;
2027
2028	bus = data->Bus;
2029	target = data->TargetID;
2030	dev_handle = data->DevHandle;
2031
2032	/*
2033	 * When DevHandle is 0xFFFF and Bus/Target are not 0xFFFF, use Bus/
2034	 * Target to get DevHandle.  When Bus/Target are 0xFFFF and DevHandle is
2035	 * not 0xFFFF, use DevHandle to get Bus/Target.  Anything else is
2036	 * invalid.
2037	 */
2038	if ((bus == 0xFFFF) && (target == 0xFFFF) && (dev_handle != 0xFFFF))
2039		dh2bt = TRUE;
2040	if ((dev_handle == 0xFFFF) && (bus != 0xFFFF) && (target != 0xFFFF))
2041		bt2dh = TRUE;
2042	if (!dh2bt && !bt2dh)
2043		return (EINVAL);
2044
2045	/*
2046	 * Only handle bus of 0.  Make sure target is within range.
2047	 */
2048	if (bt2dh) {
2049		if (bus != 0)
2050			return (EINVAL);
2051
2052		if (target > sc->max_devices) {
2053			mps_dprint(sc, MPS_FAULT, "Target ID is out of range "
2054			   "for Bus/Target to DevHandle mapping.");
2055			return (EINVAL);
2056		}
2057		dev_handle = sc->mapping_table[target].dev_handle;
2058		if (dev_handle)
2059			data->DevHandle = dev_handle;
2060	} else {
2061		bus = 0;
2062		target = mps_mapping_get_sas_id_from_handle(sc, dev_handle);
2063		data->Bus = bus;
2064		data->TargetID = target;
2065	}
2066
2067	return (0);
2068}
2069
2070static int
2071mps_ioctl(struct cdev *dev, u_long cmd, void *arg, int flag,
2072    struct thread *td)
2073{
2074	struct mps_softc *sc;
2075	struct mps_cfg_page_req *page_req;
2076	struct mps_ext_cfg_page_req *ext_page_req;
2077	void *mps_page;
2078	int error, msleep_ret;
2079
2080	mps_page = NULL;
2081	sc = dev->si_drv1;
2082	page_req = (void *)arg;
2083	ext_page_req = (void *)arg;
2084
2085	switch (cmd) {
2086	case MPSIO_READ_CFG_HEADER:
2087		mps_lock(sc);
2088		error = mps_user_read_cfg_header(sc, page_req);
2089		mps_unlock(sc);
2090		break;
2091	case MPSIO_READ_CFG_PAGE:
2092		mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK | M_ZERO);
2093		if(!mps_page) {
2094			mps_printf(sc, "Cannot allocate memory %s %d\n",
2095			 __func__, __LINE__);
2096			return (ENOMEM);
2097    	}
2098		error = copyin(page_req->buf, mps_page,
2099		    sizeof(MPI2_CONFIG_PAGE_HEADER));
2100		if (error)
2101			break;
2102		mps_lock(sc);
2103		error = mps_user_read_cfg_page(sc, page_req, mps_page);
2104		mps_unlock(sc);
2105		if (error)
2106			break;
2107		error = copyout(mps_page, page_req->buf, page_req->len);
2108		break;
2109	case MPSIO_READ_EXT_CFG_HEADER:
2110		mps_lock(sc);
2111		error = mps_user_read_extcfg_header(sc, ext_page_req);
2112		mps_unlock(sc);
2113		break;
2114	case MPSIO_READ_EXT_CFG_PAGE:
2115		mps_page = malloc(ext_page_req->len, M_MPSUSER, M_WAITOK|M_ZERO);
2116		if(!mps_page) {
2117			mps_printf(sc, "Cannot allocate memory %s %d\n",
2118			 __func__, __LINE__);
2119			return (ENOMEM);
2120	}
2121		error = copyin(ext_page_req->buf, mps_page,
2122		    sizeof(MPI2_CONFIG_EXTENDED_PAGE_HEADER));
2123		if (error)
2124			break;
2125		mps_lock(sc);
2126		error = mps_user_read_extcfg_page(sc, ext_page_req, mps_page);
2127		mps_unlock(sc);
2128		if (error)
2129			break;
2130		error = copyout(mps_page, ext_page_req->buf, ext_page_req->len);
2131		break;
2132	case MPSIO_WRITE_CFG_PAGE:
2133		mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK|M_ZERO);
2134		if(!mps_page) {
2135			mps_printf(sc, "Cannot allocate memory %s %d\n",
2136			 __func__, __LINE__);
2137			return (ENOMEM);
2138	}
2139		error = copyin(page_req->buf, mps_page, page_req->len);
2140		if (error)
2141			break;
2142		mps_lock(sc);
2143		error = mps_user_write_cfg_page(sc, page_req, mps_page);
2144		mps_unlock(sc);
2145		break;
2146	case MPSIO_MPS_COMMAND:
2147		error = mps_user_command(sc, (struct mps_usr_command *)arg);
2148		break;
2149	case MPTIOCTL_PASS_THRU:
2150		/*
2151		 * The user has requested to pass through a command to be
2152		 * executed by the MPT firmware.  Call our routine which does
2153		 * this.  Only allow one passthru IOCTL at one time.
2154		 */
2155		error = mps_user_pass_thru(sc, (mps_pass_thru_t *)arg);
2156		break;
2157	case MPTIOCTL_GET_ADAPTER_DATA:
2158		/*
2159		 * The user has requested to read adapter data.  Call our
2160		 * routine which does this.
2161		 */
2162		error = 0;
2163		mps_user_get_adapter_data(sc, (mps_adapter_data_t *)arg);
2164		break;
2165	case MPTIOCTL_GET_PCI_INFO:
2166		/*
2167		 * The user has requested to read pci info.  Call
2168		 * our routine which does this.
2169		 */
2170		mps_lock(sc);
2171		error = 0;
2172		mps_user_read_pci_info(sc, (mps_pci_info_t *)arg);
2173		mps_unlock(sc);
2174		break;
2175	case MPTIOCTL_RESET_ADAPTER:
2176		mps_lock(sc);
2177		sc->port_enable_complete = 0;
2178		uint32_t reinit_start = time_uptime;
2179		error = mps_reinit(sc);
2180		/* Sleep for 300 second. */
2181		msleep_ret = msleep(&sc->port_enable_complete, &sc->mps_mtx, PRIBIO,
2182		       "mps_porten", 300 * hz);
2183		mps_unlock(sc);
2184		if (msleep_ret)
2185			printf("Port Enable did not complete after Diag "
2186			    "Reset msleep error %d.\n", msleep_ret);
2187		else
2188			mps_dprint(sc, MPS_USER,
2189				"Hard Reset with Port Enable completed in %d seconds.\n",
2190				 (uint32_t) (time_uptime - reinit_start));
2191		break;
2192	case MPTIOCTL_DIAG_ACTION:
2193		/*
2194		 * The user has done a diag buffer action.  Call our routine
2195		 * which does this.  Only allow one diag action at one time.
2196		 */
2197		mps_lock(sc);
2198		error = mps_user_diag_action(sc, (mps_diag_action_t *)arg);
2199		mps_unlock(sc);
2200		break;
2201	case MPTIOCTL_EVENT_QUERY:
2202		/*
2203		 * The user has done an event query. Call our routine which does
2204		 * this.
2205		 */
2206		error = 0;
2207		mps_user_event_query(sc, (mps_event_query_t *)arg);
2208		break;
2209	case MPTIOCTL_EVENT_ENABLE:
2210		/*
2211		 * The user has done an event enable. Call our routine which
2212		 * does this.
2213		 */
2214		error = 0;
2215		mps_user_event_enable(sc, (mps_event_enable_t *)arg);
2216		break;
2217	case MPTIOCTL_EVENT_REPORT:
2218		/*
2219		 * The user has done an event report. Call our routine which
2220		 * does this.
2221		 */
2222		error = mps_user_event_report(sc, (mps_event_report_t *)arg);
2223		break;
2224	case MPTIOCTL_REG_ACCESS:
2225		/*
2226		 * The user has requested register access.  Call our routine
2227		 * which does this.
2228		 */
2229		mps_lock(sc);
2230		error = mps_user_reg_access(sc, (mps_reg_access_t *)arg);
2231		mps_unlock(sc);
2232		break;
2233	case MPTIOCTL_BTDH_MAPPING:
2234		/*
2235		 * The user has requested to translate a bus/target to a
2236		 * DevHandle or a DevHandle to a bus/target.  Call our routine
2237		 * which does this.
2238		 */
2239		error = mps_user_btdh(sc, (mps_btdh_mapping_t *)arg);
2240		break;
2241	default:
2242		error = ENOIOCTL;
2243		break;
2244	}
2245
2246	if (mps_page != NULL)
2247		free(mps_page, M_MPSUSER);
2248
2249	return (error);
2250}
2251
2252#ifdef COMPAT_FREEBSD32
2253
2254struct mps_cfg_page_req32 {
2255	MPI2_CONFIG_PAGE_HEADER header;
2256	uint32_t page_address;
2257	uint32_t buf;
2258	int	len;
2259	uint16_t ioc_status;
2260};
2261
2262struct mps_ext_cfg_page_req32 {
2263	MPI2_CONFIG_EXTENDED_PAGE_HEADER header;
2264	uint32_t page_address;
2265	uint32_t buf;
2266	int	len;
2267	uint16_t ioc_status;
2268};
2269
2270struct mps_raid_action32 {
2271	uint8_t action;
2272	uint8_t volume_bus;
2273	uint8_t volume_id;
2274	uint8_t phys_disk_num;
2275	uint32_t action_data_word;
2276	uint32_t buf;
2277	int len;
2278	uint32_t volume_status;
2279	uint32_t action_data[4];
2280	uint16_t action_status;
2281	uint16_t ioc_status;
2282	uint8_t write;
2283};
2284
2285struct mps_usr_command32 {
2286	uint32_t req;
2287	uint32_t req_len;
2288	uint32_t rpl;
2289	uint32_t rpl_len;
2290	uint32_t buf;
2291	int len;
2292	uint32_t flags;
2293};
2294
2295#define	MPSIO_READ_CFG_HEADER32	_IOWR('M', 200, struct mps_cfg_page_req32)
2296#define	MPSIO_READ_CFG_PAGE32	_IOWR('M', 201, struct mps_cfg_page_req32)
2297#define	MPSIO_READ_EXT_CFG_HEADER32 _IOWR('M', 202, struct mps_ext_cfg_page_req32)
2298#define	MPSIO_READ_EXT_CFG_PAGE32 _IOWR('M', 203, struct mps_ext_cfg_page_req32)
2299#define	MPSIO_WRITE_CFG_PAGE32	_IOWR('M', 204, struct mps_cfg_page_req32)
2300#define	MPSIO_RAID_ACTION32	_IOWR('M', 205, struct mps_raid_action32)
2301#define	MPSIO_MPS_COMMAND32	_IOWR('M', 210, struct mps_usr_command32)
2302
2303static int
2304mps_ioctl32(struct cdev *dev, u_long cmd32, void *_arg, int flag,
2305    struct thread *td)
2306{
2307	struct mps_cfg_page_req32 *page32 = _arg;
2308	struct mps_ext_cfg_page_req32 *ext32 = _arg;
2309	struct mps_raid_action32 *raid32 = _arg;
2310	struct mps_usr_command32 *user32 = _arg;
2311	union {
2312		struct mps_cfg_page_req page;
2313		struct mps_ext_cfg_page_req ext;
2314		struct mps_raid_action raid;
2315		struct mps_usr_command user;
2316	} arg;
2317	u_long cmd;
2318	int error;
2319
2320	switch (cmd32) {
2321	case MPSIO_READ_CFG_HEADER32:
2322	case MPSIO_READ_CFG_PAGE32:
2323	case MPSIO_WRITE_CFG_PAGE32:
2324		if (cmd32 == MPSIO_READ_CFG_HEADER32)
2325			cmd = MPSIO_READ_CFG_HEADER;
2326		else if (cmd32 == MPSIO_READ_CFG_PAGE32)
2327			cmd = MPSIO_READ_CFG_PAGE;
2328		else
2329			cmd = MPSIO_WRITE_CFG_PAGE;
2330		CP(*page32, arg.page, header);
2331		CP(*page32, arg.page, page_address);
2332		PTRIN_CP(*page32, arg.page, buf);
2333		CP(*page32, arg.page, len);
2334		CP(*page32, arg.page, ioc_status);
2335		break;
2336
2337	case MPSIO_READ_EXT_CFG_HEADER32:
2338	case MPSIO_READ_EXT_CFG_PAGE32:
2339		if (cmd32 == MPSIO_READ_EXT_CFG_HEADER32)
2340			cmd = MPSIO_READ_EXT_CFG_HEADER;
2341		else
2342			cmd = MPSIO_READ_EXT_CFG_PAGE;
2343		CP(*ext32, arg.ext, header);
2344		CP(*ext32, arg.ext, page_address);
2345		PTRIN_CP(*ext32, arg.ext, buf);
2346		CP(*ext32, arg.ext, len);
2347		CP(*ext32, arg.ext, ioc_status);
2348		break;
2349
2350	case MPSIO_RAID_ACTION32:
2351		cmd = MPSIO_RAID_ACTION;
2352		CP(*raid32, arg.raid, action);
2353		CP(*raid32, arg.raid, volume_bus);
2354		CP(*raid32, arg.raid, volume_id);
2355		CP(*raid32, arg.raid, phys_disk_num);
2356		CP(*raid32, arg.raid, action_data_word);
2357		PTRIN_CP(*raid32, arg.raid, buf);
2358		CP(*raid32, arg.raid, len);
2359		CP(*raid32, arg.raid, volume_status);
2360		bcopy(raid32->action_data, arg.raid.action_data,
2361		    sizeof arg.raid.action_data);
2362		CP(*raid32, arg.raid, ioc_status);
2363		CP(*raid32, arg.raid, write);
2364		break;
2365
2366	case MPSIO_MPS_COMMAND32:
2367		cmd = MPSIO_MPS_COMMAND;
2368		PTRIN_CP(*user32, arg.user, req);
2369		CP(*user32, arg.user, req_len);
2370		PTRIN_CP(*user32, arg.user, rpl);
2371		CP(*user32, arg.user, rpl_len);
2372		PTRIN_CP(*user32, arg.user, buf);
2373		CP(*user32, arg.user, len);
2374		CP(*user32, arg.user, flags);
2375		break;
2376	default:
2377		return (ENOIOCTL);
2378	}
2379
2380	error = mps_ioctl(dev, cmd, &arg, flag, td);
2381	if (error == 0 && (cmd32 & IOC_OUT) != 0) {
2382		switch (cmd32) {
2383		case MPSIO_READ_CFG_HEADER32:
2384		case MPSIO_READ_CFG_PAGE32:
2385		case MPSIO_WRITE_CFG_PAGE32:
2386			CP(arg.page, *page32, header);
2387			CP(arg.page, *page32, page_address);
2388			PTROUT_CP(arg.page, *page32, buf);
2389			CP(arg.page, *page32, len);
2390			CP(arg.page, *page32, ioc_status);
2391			break;
2392
2393		case MPSIO_READ_EXT_CFG_HEADER32:
2394		case MPSIO_READ_EXT_CFG_PAGE32:
2395			CP(arg.ext, *ext32, header);
2396			CP(arg.ext, *ext32, page_address);
2397			PTROUT_CP(arg.ext, *ext32, buf);
2398			CP(arg.ext, *ext32, len);
2399			CP(arg.ext, *ext32, ioc_status);
2400			break;
2401
2402		case MPSIO_RAID_ACTION32:
2403			CP(arg.raid, *raid32, action);
2404			CP(arg.raid, *raid32, volume_bus);
2405			CP(arg.raid, *raid32, volume_id);
2406			CP(arg.raid, *raid32, phys_disk_num);
2407			CP(arg.raid, *raid32, action_data_word);
2408			PTROUT_CP(arg.raid, *raid32, buf);
2409			CP(arg.raid, *raid32, len);
2410			CP(arg.raid, *raid32, volume_status);
2411			bcopy(arg.raid.action_data, raid32->action_data,
2412			    sizeof arg.raid.action_data);
2413			CP(arg.raid, *raid32, ioc_status);
2414			CP(arg.raid, *raid32, write);
2415			break;
2416
2417		case MPSIO_MPS_COMMAND32:
2418			PTROUT_CP(arg.user, *user32, req);
2419			CP(arg.user, *user32, req_len);
2420			PTROUT_CP(arg.user, *user32, rpl);
2421			CP(arg.user, *user32, rpl_len);
2422			PTROUT_CP(arg.user, *user32, buf);
2423			CP(arg.user, *user32, len);
2424			CP(arg.user, *user32, flags);
2425			break;
2426		}
2427	}
2428
2429	return (error);
2430}
2431#endif /* COMPAT_FREEBSD32 */
2432
2433static int
2434mps_ioctl_devsw(struct cdev *dev, u_long com, caddr_t arg, int flag,
2435    struct thread *td)
2436{
2437#ifdef COMPAT_FREEBSD32
2438	if (SV_CURPROC_FLAG(SV_ILP32))
2439		return (mps_ioctl32(dev, com, arg, flag, td));
2440#endif
2441	return (mps_ioctl(dev, com, arg, flag, td));
2442}
2443