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mfi.c revision 1.46
      1 /* $NetBSD: mfi.c,v 1.46 2012/08/26 16:22:32 bouyer Exp $ */
      2 /* $OpenBSD: mfi.c,v 1.66 2006/11/28 23:59:45 dlg Exp $ */
      3 
      4 /*
      5  * Copyright (c) 2012 Manuel Bouyer.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 /*
     29  * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
     30  *
     31  * Permission to use, copy, modify, and distribute this software for any
     32  * purpose with or without fee is hereby granted, provided that the above
     33  * copyright notice and this permission notice appear in all copies.
     34  *
     35  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     36  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     37  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     38  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     39  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     40  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     41  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     42  */
     43 
     44  /*-
     45  * Redistribution and use in source and binary forms, with or without
     46  * modification, are permitted provided that the following conditions
     47  * are met:
     48  *
     49  *            Copyright 1994-2009 The FreeBSD Project.
     50  *            All rights reserved.
     51  *
     52  * 1. Redistributions of source code must retain the above copyright
     53  *    notice, this list of conditions and the following disclaimer.
     54  * 2. Redistributions in binary form must reproduce the above copyright
     55  *    notice, this list of conditions and the following disclaimer in the
     56  *    documentation and/or other materials provided with the distribution.
     57  *
     58  *    THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT``AS IS'' AND
     59  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     60  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     61  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FREEBSD PROJECT OR
     62  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     63  * EXEMPLARY,OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     64  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     65  * PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY THEORY
     66  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
     67  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     68  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     69  *
     70  * The views and conclusions contained in the software and documentation
     71  * are those of the authors and should not be interpreted as representing
     72  * official policies,either expressed or implied, of the FreeBSD Project.
     73  */
     74 
     75 #include <sys/cdefs.h>
     76 __KERNEL_RCSID(0, "$NetBSD: mfi.c,v 1.46 2012/08/26 16:22:32 bouyer Exp $");
     77 
     78 #include "bio.h"
     79 
     80 #include <sys/param.h>
     81 #include <sys/systm.h>
     82 #include <sys/buf.h>
     83 #include <sys/ioctl.h>
     84 #include <sys/device.h>
     85 #include <sys/kernel.h>
     86 #include <sys/malloc.h>
     87 #include <sys/proc.h>
     88 #include <sys/cpu.h>
     89 
     90 #include <uvm/uvm_param.h>
     91 
     92 #include <sys/bus.h>
     93 
     94 #include <dev/scsipi/scsipi_all.h>
     95 #include <dev/scsipi/scsi_all.h>
     96 #include <dev/scsipi/scsi_spc.h>
     97 #include <dev/scsipi/scsipi_disk.h>
     98 #include <dev/scsipi/scsi_disk.h>
     99 #include <dev/scsipi/scsiconf.h>
    100 
    101 #include <dev/ic/mfireg.h>
    102 #include <dev/ic/mfivar.h>
    103 
    104 #if NBIO > 0
    105 #include <dev/biovar.h>
    106 #endif /* NBIO > 0 */
    107 
    108 #ifdef MFI_DEBUG
    109 uint32_t	mfi_debug = 0
    110 /*		    | MFI_D_CMD  */
    111 /*		    | MFI_D_INTR */
    112 /*		    | MFI_D_MISC */
    113 /*		    | MFI_D_DMA */
    114 /*		    | MFI_D_IOCTL */
    115 /*		    | MFI_D_RW */
    116 /*		    | MFI_D_MEM */
    117 /*		    | MFI_D_CCB */
    118 /*		    | MFI_D_SYNC */
    119 		;
    120 #endif
    121 
    122 static void		mfi_scsipi_request(struct scsipi_channel *,
    123 				scsipi_adapter_req_t, void *);
    124 static void		mfiminphys(struct buf *bp);
    125 
    126 static struct mfi_ccb	*mfi_get_ccb(struct mfi_softc *);
    127 static void		mfi_put_ccb(struct mfi_ccb *);
    128 static int		mfi_init_ccb(struct mfi_softc *);
    129 
    130 static struct mfi_mem	*mfi_allocmem(struct mfi_softc *, size_t);
    131 static void		mfi_freemem(struct mfi_softc *, struct mfi_mem **);
    132 
    133 static int		mfi_transition_firmware(struct mfi_softc *);
    134 static int		mfi_initialize_firmware(struct mfi_softc *);
    135 static int		mfi_get_info(struct mfi_softc *);
    136 static int		mfi_get_bbu(struct mfi_softc *,
    137 			    struct mfi_bbu_status *);
    138 /* return codes for mfi_get_bbu */
    139 #define MFI_BBU_GOOD	0
    140 #define MFI_BBU_BAD	1
    141 #define MFI_BBU_UNKNOWN	2
    142 static uint32_t		mfi_read(struct mfi_softc *, bus_size_t);
    143 static void		mfi_write(struct mfi_softc *, bus_size_t, uint32_t);
    144 static int		mfi_poll(struct mfi_ccb *);
    145 static int		mfi_create_sgl(struct mfi_ccb *, int);
    146 
    147 /* commands */
    148 static int		mfi_scsi_ld(struct mfi_ccb *, struct scsipi_xfer *);
    149 static int		mfi_scsi_ld_io(struct mfi_ccb *, struct scsipi_xfer *,
    150 				uint64_t, uint32_t);
    151 static void		mfi_scsi_ld_done(struct mfi_ccb *);
    152 static void		mfi_scsi_xs_done(struct mfi_ccb *, int, int);
    153 static int		mfi_mgmt_internal(struct mfi_softc *, uint32_t,
    154 			    uint32_t, uint32_t, void *, uint8_t *, bool);
    155 static int		mfi_mgmt(struct mfi_ccb *,struct scsipi_xfer *,
    156 			    uint32_t, uint32_t, uint32_t, void *, uint8_t *);
    157 static void		mfi_mgmt_done(struct mfi_ccb *);
    158 
    159 #if NBIO > 0
    160 static int		mfi_ioctl(device_t, u_long, void *);
    161 static int		mfi_ioctl_inq(struct mfi_softc *, struct bioc_inq *);
    162 static int		mfi_ioctl_vol(struct mfi_softc *, struct bioc_vol *);
    163 static int		mfi_ioctl_disk(struct mfi_softc *, struct bioc_disk *);
    164 static int		mfi_ioctl_alarm(struct mfi_softc *,
    165 				struct bioc_alarm *);
    166 static int		mfi_ioctl_blink(struct mfi_softc *sc,
    167 				struct bioc_blink *);
    168 static int		mfi_ioctl_setstate(struct mfi_softc *,
    169 				struct bioc_setstate *);
    170 static int		mfi_bio_hs(struct mfi_softc *, int, int, void *);
    171 static int		mfi_create_sensors(struct mfi_softc *);
    172 static int		mfi_destroy_sensors(struct mfi_softc *);
    173 static void		mfi_sensor_refresh(struct sysmon_envsys *,
    174 				envsys_data_t *);
    175 #endif /* NBIO > 0 */
    176 static bool		mfi_shutdown(device_t, int);
    177 static bool		mfi_suspend(device_t, const pmf_qual_t *);
    178 static bool		mfi_resume(device_t, const pmf_qual_t *);
    179 
    180 static uint32_t 	mfi_xscale_fw_state(struct mfi_softc *sc);
    181 static void 		mfi_xscale_intr_ena(struct mfi_softc *sc);
    182 static void 		mfi_xscale_intr_dis(struct mfi_softc *sc);
    183 static int 		mfi_xscale_intr(struct mfi_softc *sc);
    184 static void 		mfi_xscale_post(struct mfi_softc *sc, struct mfi_ccb *ccb);
    185 
    186 static const struct mfi_iop_ops mfi_iop_xscale = {
    187 	mfi_xscale_fw_state,
    188 	mfi_xscale_intr_dis,
    189 	mfi_xscale_intr_ena,
    190 	mfi_xscale_intr,
    191 	mfi_xscale_post,
    192 	mfi_scsi_ld_io,
    193 };
    194 
    195 static uint32_t 	mfi_ppc_fw_state(struct mfi_softc *sc);
    196 static void 		mfi_ppc_intr_ena(struct mfi_softc *sc);
    197 static void 		mfi_ppc_intr_dis(struct mfi_softc *sc);
    198 static int 		mfi_ppc_intr(struct mfi_softc *sc);
    199 static void 		mfi_ppc_post(struct mfi_softc *sc, struct mfi_ccb *ccb);
    200 
    201 static const struct mfi_iop_ops mfi_iop_ppc = {
    202 	mfi_ppc_fw_state,
    203 	mfi_ppc_intr_dis,
    204 	mfi_ppc_intr_ena,
    205 	mfi_ppc_intr,
    206 	mfi_ppc_post,
    207 	mfi_scsi_ld_io,
    208 };
    209 
    210 uint32_t	mfi_gen2_fw_state(struct mfi_softc *sc);
    211 void		mfi_gen2_intr_ena(struct mfi_softc *sc);
    212 void		mfi_gen2_intr_dis(struct mfi_softc *sc);
    213 int		mfi_gen2_intr(struct mfi_softc *sc);
    214 void		mfi_gen2_post(struct mfi_softc *sc, struct mfi_ccb *ccb);
    215 
    216 static const struct mfi_iop_ops mfi_iop_gen2 = {
    217 	mfi_gen2_fw_state,
    218 	mfi_gen2_intr_dis,
    219 	mfi_gen2_intr_ena,
    220 	mfi_gen2_intr,
    221 	mfi_gen2_post,
    222 	mfi_scsi_ld_io,
    223 };
    224 
    225 u_int32_t	mfi_skinny_fw_state(struct mfi_softc *);
    226 void		mfi_skinny_intr_dis(struct mfi_softc *);
    227 void		mfi_skinny_intr_ena(struct mfi_softc *);
    228 int		mfi_skinny_intr(struct mfi_softc *);
    229 void		mfi_skinny_post(struct mfi_softc *, struct mfi_ccb *);
    230 
    231 static const struct mfi_iop_ops mfi_iop_skinny = {
    232 	mfi_skinny_fw_state,
    233 	mfi_skinny_intr_dis,
    234 	mfi_skinny_intr_ena,
    235 	mfi_skinny_intr,
    236 	mfi_skinny_post,
    237 	mfi_scsi_ld_io,
    238 };
    239 
    240 static int	mfi_tbolt_init_desc_pool(struct mfi_softc *);
    241 static int	mfi_tbolt_init_MFI_queue(struct mfi_softc *);
    242 static void	mfi_tbolt_build_mpt_ccb(struct mfi_ccb *);
    243 int		mfi_tbolt_scsi_ld_io(struct mfi_ccb *, struct scsipi_xfer *,
    244 		    uint64_t, uint32_t);
    245 static void	mfi_tbolt_scsi_ld_done(struct mfi_ccb *);
    246 static int	mfi_tbolt_create_sgl(struct mfi_ccb *, int);
    247 void		mfi_tbolt_sync_map_info(struct work *, void *);
    248 static void	mfi_sync_map_complete(struct mfi_ccb *);
    249 
    250 u_int32_t	mfi_tbolt_fw_state(struct mfi_softc *);
    251 void		mfi_tbolt_intr_dis(struct mfi_softc *);
    252 void		mfi_tbolt_intr_ena(struct mfi_softc *);
    253 int		mfi_tbolt_intr(struct mfi_softc *sc);
    254 void		mfi_tbolt_post(struct mfi_softc *, struct mfi_ccb *);
    255 
    256 static const struct mfi_iop_ops mfi_iop_tbolt = {
    257 	mfi_tbolt_fw_state,
    258 	mfi_tbolt_intr_dis,
    259 	mfi_tbolt_intr_ena,
    260 	mfi_tbolt_intr,
    261 	mfi_tbolt_post,
    262 	mfi_tbolt_scsi_ld_io,
    263 };
    264 
    265 #define mfi_fw_state(_s) 	((_s)->sc_iop->mio_fw_state(_s))
    266 #define mfi_intr_enable(_s) 	((_s)->sc_iop->mio_intr_ena(_s))
    267 #define mfi_intr_disable(_s) 	((_s)->sc_iop->mio_intr_dis(_s))
    268 #define mfi_my_intr(_s) 	((_s)->sc_iop->mio_intr(_s))
    269 #define mfi_post(_s, _c) 	((_s)->sc_iop->mio_post((_s), (_c)))
    270 
    271 static struct mfi_ccb *
    272 mfi_get_ccb(struct mfi_softc *sc)
    273 {
    274 	struct mfi_ccb		*ccb;
    275 	int			s;
    276 
    277 	s = splbio();
    278 	ccb = TAILQ_FIRST(&sc->sc_ccb_freeq);
    279 	if (ccb) {
    280 		TAILQ_REMOVE(&sc->sc_ccb_freeq, ccb, ccb_link);
    281 		ccb->ccb_state = MFI_CCB_READY;
    282 	}
    283 	splx(s);
    284 
    285 	DNPRINTF(MFI_D_CCB, "%s: mfi_get_ccb: %p\n", DEVNAME(sc), ccb);
    286 	if (__predict_false(ccb == NULL && sc->sc_running))
    287 		aprint_error_dev(sc->sc_dev, "out of ccb\n");
    288 
    289 	return ccb;
    290 }
    291 
    292 static void
    293 mfi_put_ccb(struct mfi_ccb *ccb)
    294 {
    295 	struct mfi_softc	*sc = ccb->ccb_sc;
    296 	struct mfi_frame_header	*hdr = &ccb->ccb_frame->mfr_header;
    297 	int			s;
    298 
    299 	DNPRINTF(MFI_D_CCB, "%s: mfi_put_ccb: %p\n", DEVNAME(sc), ccb);
    300 
    301 	hdr->mfh_cmd_status = 0x0;
    302 	hdr->mfh_flags = 0x0;
    303 	ccb->ccb_state = MFI_CCB_FREE;
    304 	ccb->ccb_xs = NULL;
    305 	ccb->ccb_flags = 0;
    306 	ccb->ccb_done = NULL;
    307 	ccb->ccb_direction = 0;
    308 	ccb->ccb_frame_size = 0;
    309 	ccb->ccb_extra_frames = 0;
    310 	ccb->ccb_sgl = NULL;
    311 	ccb->ccb_data = NULL;
    312 	ccb->ccb_len = 0;
    313 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
    314 		/* erase tb_request_desc but preserve SMID */
    315 		int index = ccb->ccb_tb_request_desc.header.SMID;
    316 		ccb->ccb_tb_request_desc.words = 0;
    317 		ccb->ccb_tb_request_desc.header.SMID = index;
    318 	}
    319 	s = splbio();
    320 	TAILQ_INSERT_TAIL(&sc->sc_ccb_freeq, ccb, ccb_link);
    321 	splx(s);
    322 }
    323 
    324 static int
    325 mfi_destroy_ccb(struct mfi_softc *sc)
    326 {
    327 	struct mfi_ccb		*ccb;
    328 	uint32_t		i;
    329 
    330 	DNPRINTF(MFI_D_CCB, "%s: mfi_destroy_ccb\n", DEVNAME(sc));
    331 
    332 
    333 	for (i = 0; (ccb = mfi_get_ccb(sc)) != NULL; i++) {
    334 		/* create a dma map for transfer */
    335 		bus_dmamap_destroy(sc->sc_datadmat, ccb->ccb_dmamap);
    336 	}
    337 
    338 	if (i < sc->sc_max_cmds)
    339 		return EBUSY;
    340 
    341 	free(sc->sc_ccb, M_DEVBUF);
    342 
    343 	return 0;
    344 }
    345 
    346 static int
    347 mfi_init_ccb(struct mfi_softc *sc)
    348 {
    349 	struct mfi_ccb		*ccb;
    350 	uint32_t		i;
    351 	int			error;
    352 	bus_addr_t		io_req_base_phys;
    353 	uint8_t			*io_req_base;
    354 	int offset;
    355 
    356 	DNPRINTF(MFI_D_CCB, "%s: mfi_init_ccb\n", DEVNAME(sc));
    357 
    358 	sc->sc_ccb = malloc(sizeof(struct mfi_ccb) * sc->sc_max_cmds,
    359 	    M_DEVBUF, M_WAITOK|M_ZERO);
    360 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
    361 		/*
    362 		 * The first 256 bytes (SMID 0) is not used.
    363 		 * Don't add to the cmd list.
    364 		 */
    365 		io_req_base = (uint8_t *)MFIMEM_KVA(sc->sc_tbolt_reqmsgpool) +
    366 			MEGASAS_THUNDERBOLT_NEW_MSG_SIZE;
    367 		io_req_base_phys = MFIMEM_DVA(sc->sc_tbolt_reqmsgpool) +
    368 			MEGASAS_THUNDERBOLT_NEW_MSG_SIZE;
    369 	}
    370 
    371 	for (i = 0; i < sc->sc_max_cmds; i++) {
    372 		ccb = &sc->sc_ccb[i];
    373 
    374 		ccb->ccb_sc = sc;
    375 
    376 		/* select i'th frame */
    377 		ccb->ccb_frame = (union mfi_frame *)
    378 		    ((char*)MFIMEM_KVA(sc->sc_frames) + sc->sc_frames_size * i);
    379 		ccb->ccb_pframe =
    380 		    MFIMEM_DVA(sc->sc_frames) + sc->sc_frames_size * i;
    381 		ccb->ccb_frame->mfr_header.mfh_context = i;
    382 
    383 		/* select i'th sense */
    384 		ccb->ccb_sense = (struct mfi_sense *)
    385 		    ((char*)MFIMEM_KVA(sc->sc_sense) + MFI_SENSE_SIZE * i);
    386 		ccb->ccb_psense =
    387 		    (MFIMEM_DVA(sc->sc_sense) + MFI_SENSE_SIZE * i);
    388 
    389 		/* create a dma map for transfer */
    390 		error = bus_dmamap_create(sc->sc_datadmat,
    391 		    MAXPHYS, sc->sc_max_sgl, MAXPHYS, 0,
    392 		    BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &ccb->ccb_dmamap);
    393 		if (error) {
    394 			aprint_error_dev(sc->sc_dev,
    395 			    "cannot create ccb dmamap (%d)\n", error);
    396 			goto destroy;
    397 		}
    398 		if (sc->sc_ioptype == MFI_IOP_TBOLT) {
    399 			offset = MEGASAS_THUNDERBOLT_NEW_MSG_SIZE * i;
    400 			ccb->ccb_tb_io_request =
    401 			    (struct mfi_mpi2_request_raid_scsi_io *)
    402 			    (io_req_base + offset);
    403 			ccb->ccb_tb_pio_request =
    404 			    io_req_base_phys + offset;
    405 			offset = MEGASAS_MAX_SZ_CHAIN_FRAME * i;
    406 			ccb->ccb_tb_sg_frame =
    407 			    (mpi2_sge_io_union *)(sc->sc_reply_pool_limit +
    408 			    offset);
    409 			ccb->ccb_tb_psg_frame = sc->sc_sg_frame_busaddr +
    410 			    offset;
    411 			/* SMID 0 is reserved. Set SMID/index from 1 */
    412 			ccb->ccb_tb_request_desc.header.SMID = i + 1;
    413 		}
    414 
    415 		DNPRINTF(MFI_D_CCB,
    416 		    "ccb(%d): %p frame: %#lx (%#lx) sense: %#lx (%#lx) map: %#lx\n",
    417 		    ccb->ccb_frame->mfr_header.mfh_context, ccb,
    418 		    (u_long)ccb->ccb_frame, (u_long)ccb->ccb_pframe,
    419 		    (u_long)ccb->ccb_sense, (u_long)ccb->ccb_psense,
    420 		    (u_long)ccb->ccb_dmamap);
    421 
    422 		/* add ccb to queue */
    423 		mfi_put_ccb(ccb);
    424 	}
    425 
    426 	return 0;
    427 destroy:
    428 	/* free dma maps and ccb memory */
    429 	while (i) {
    430 		i--;
    431 		ccb = &sc->sc_ccb[i];
    432 		bus_dmamap_destroy(sc->sc_datadmat, ccb->ccb_dmamap);
    433 	}
    434 
    435 	free(sc->sc_ccb, M_DEVBUF);
    436 
    437 	return 1;
    438 }
    439 
    440 static uint32_t
    441 mfi_read(struct mfi_softc *sc, bus_size_t r)
    442 {
    443 	uint32_t rv;
    444 
    445 	bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
    446 	    BUS_SPACE_BARRIER_READ);
    447 	rv = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r);
    448 
    449 	DNPRINTF(MFI_D_RW, "%s: mr 0x%lx 0x08%x ", DEVNAME(sc), (u_long)r, rv);
    450 	return rv;
    451 }
    452 
    453 static void
    454 mfi_write(struct mfi_softc *sc, bus_size_t r, uint32_t v)
    455 {
    456 	DNPRINTF(MFI_D_RW, "%s: mw 0x%lx 0x%08x", DEVNAME(sc), (u_long)r, v);
    457 
    458 	bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v);
    459 	bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
    460 	    BUS_SPACE_BARRIER_WRITE);
    461 }
    462 
    463 static struct mfi_mem *
    464 mfi_allocmem(struct mfi_softc *sc, size_t size)
    465 {
    466 	struct mfi_mem		*mm;
    467 	int			nsegs;
    468 
    469 	DNPRINTF(MFI_D_MEM, "%s: mfi_allocmem: %ld\n", DEVNAME(sc),
    470 	    (long)size);
    471 
    472 	mm = malloc(sizeof(struct mfi_mem), M_DEVBUF, M_NOWAIT|M_ZERO);
    473 	if (mm == NULL)
    474 		return NULL;
    475 
    476 	mm->am_size = size;
    477 
    478 	if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
    479 	    BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &mm->am_map) != 0)
    480 		goto amfree;
    481 
    482 	if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &mm->am_seg, 1,
    483 	    &nsegs, BUS_DMA_NOWAIT) != 0)
    484 		goto destroy;
    485 
    486 	if (bus_dmamem_map(sc->sc_dmat, &mm->am_seg, nsegs, size, &mm->am_kva,
    487 	    BUS_DMA_NOWAIT) != 0)
    488 		goto free;
    489 
    490 	if (bus_dmamap_load(sc->sc_dmat, mm->am_map, mm->am_kva, size, NULL,
    491 	    BUS_DMA_NOWAIT) != 0)
    492 		goto unmap;
    493 
    494 	DNPRINTF(MFI_D_MEM, "  kva: %p  dva: %p  map: %p\n",
    495 	    mm->am_kva, (void *)mm->am_map->dm_segs[0].ds_addr, mm->am_map);
    496 
    497 	memset(mm->am_kva, 0, size);
    498 	return mm;
    499 
    500 unmap:
    501 	bus_dmamem_unmap(sc->sc_dmat, mm->am_kva, size);
    502 free:
    503 	bus_dmamem_free(sc->sc_dmat, &mm->am_seg, 1);
    504 destroy:
    505 	bus_dmamap_destroy(sc->sc_dmat, mm->am_map);
    506 amfree:
    507 	free(mm, M_DEVBUF);
    508 
    509 	return NULL;
    510 }
    511 
    512 static void
    513 mfi_freemem(struct mfi_softc *sc, struct mfi_mem **mmp)
    514 {
    515 	struct mfi_mem *mm = *mmp;
    516 
    517 	if (mm == NULL)
    518 		return;
    519 
    520 	*mmp = NULL;
    521 
    522 	DNPRINTF(MFI_D_MEM, "%s: mfi_freemem: %p\n", DEVNAME(sc), mm);
    523 
    524 	bus_dmamap_unload(sc->sc_dmat, mm->am_map);
    525 	bus_dmamem_unmap(sc->sc_dmat, mm->am_kva, mm->am_size);
    526 	bus_dmamem_free(sc->sc_dmat, &mm->am_seg, 1);
    527 	bus_dmamap_destroy(sc->sc_dmat, mm->am_map);
    528 	free(mm, M_DEVBUF);
    529 }
    530 
    531 static int
    532 mfi_transition_firmware(struct mfi_softc *sc)
    533 {
    534 	uint32_t		fw_state, cur_state;
    535 	int			max_wait, i;
    536 
    537 	fw_state = mfi_fw_state(sc) & MFI_STATE_MASK;
    538 
    539 	DNPRINTF(MFI_D_CMD, "%s: mfi_transition_firmware: %#x\n", DEVNAME(sc),
    540 	    fw_state);
    541 
    542 	while (fw_state != MFI_STATE_READY) {
    543 		DNPRINTF(MFI_D_MISC,
    544 		    "%s: waiting for firmware to become ready\n",
    545 		    DEVNAME(sc));
    546 		cur_state = fw_state;
    547 		switch (fw_state) {
    548 		case MFI_STATE_FAULT:
    549 			aprint_error_dev(sc->sc_dev, "firmware fault\n");
    550 			return 1;
    551 		case MFI_STATE_WAIT_HANDSHAKE:
    552 			if (sc->sc_ioptype == MFI_IOP_SKINNY ||
    553 			    sc->sc_ioptype == MFI_IOP_TBOLT)
    554 				mfi_write(sc, MFI_SKINNY_IDB, MFI_INIT_CLEAR_HANDSHAKE);
    555 			else
    556 				mfi_write(sc, MFI_IDB, MFI_INIT_CLEAR_HANDSHAKE);
    557 			max_wait = 2;
    558 			break;
    559 		case MFI_STATE_OPERATIONAL:
    560 			if (sc->sc_ioptype == MFI_IOP_SKINNY ||
    561 			    sc->sc_ioptype == MFI_IOP_TBOLT)
    562 				mfi_write(sc, MFI_SKINNY_IDB, MFI_INIT_READY);
    563 			else
    564 				mfi_write(sc, MFI_IDB, MFI_INIT_READY);
    565 			max_wait = 10;
    566 			break;
    567 		case MFI_STATE_UNDEFINED:
    568 		case MFI_STATE_BB_INIT:
    569 			max_wait = 2;
    570 			break;
    571 		case MFI_STATE_FW_INIT:
    572 		case MFI_STATE_DEVICE_SCAN:
    573 		case MFI_STATE_FLUSH_CACHE:
    574 			max_wait = 20;
    575 			break;
    576 		case MFI_STATE_BOOT_MESSAGE_PENDING:
    577 			if (sc->sc_ioptype == MFI_IOP_TBOLT) {
    578 				mfi_write(sc, MFI_SKINNY_IDB, MFI_INIT_HOTPLUG);
    579 				max_wait = 180;
    580 				break;
    581 			}
    582 			/* FALLTHROUGH */
    583 		default:
    584 			aprint_error_dev(sc->sc_dev,
    585 			    "unknown firmware state %d\n", fw_state);
    586 			return 1;
    587 		}
    588 		for (i = 0; i < (max_wait * 10); i++) {
    589 			fw_state = mfi_fw_state(sc) & MFI_STATE_MASK;
    590 			if (fw_state == cur_state)
    591 				DELAY(100000);
    592 			else
    593 				break;
    594 		}
    595 		if (fw_state == cur_state) {
    596 			aprint_error_dev(sc->sc_dev,
    597 			    "firmware stuck in state %#x\n", fw_state);
    598 			return 1;
    599 		}
    600 	}
    601 
    602 	return 0;
    603 }
    604 
    605 static int
    606 mfi_initialize_firmware(struct mfi_softc *sc)
    607 {
    608 	struct mfi_ccb		*ccb;
    609 	struct mfi_init_frame	*init;
    610 	struct mfi_init_qinfo	*qinfo;
    611 
    612 	DNPRINTF(MFI_D_MISC, "%s: mfi_initialize_firmware\n", DEVNAME(sc));
    613 
    614 	if ((ccb = mfi_get_ccb(sc)) == NULL)
    615 		return 1;
    616 
    617 	init = &ccb->ccb_frame->mfr_init;
    618 	qinfo = (struct mfi_init_qinfo *)((uint8_t *)init + MFI_FRAME_SIZE);
    619 
    620 	memset(qinfo, 0, sizeof *qinfo);
    621 	qinfo->miq_rq_entries = sc->sc_max_cmds + 1;
    622 	qinfo->miq_rq_addr_lo = htole32(MFIMEM_DVA(sc->sc_pcq) +
    623 	    offsetof(struct mfi_prod_cons, mpc_reply_q));
    624 	qinfo->miq_pi_addr_lo = htole32(MFIMEM_DVA(sc->sc_pcq) +
    625 	    offsetof(struct mfi_prod_cons, mpc_producer));
    626 	qinfo->miq_ci_addr_lo = htole32(MFIMEM_DVA(sc->sc_pcq) +
    627 	    offsetof(struct mfi_prod_cons, mpc_consumer));
    628 
    629 	init->mif_header.mfh_cmd = MFI_CMD_INIT;
    630 	init->mif_header.mfh_data_len = sizeof *qinfo;
    631 	init->mif_qinfo_new_addr_lo = htole32(ccb->ccb_pframe + MFI_FRAME_SIZE);
    632 
    633 	DNPRINTF(MFI_D_MISC, "%s: entries: %#x rq: %#x pi: %#x ci: %#x\n",
    634 	    DEVNAME(sc),
    635 	    qinfo->miq_rq_entries, qinfo->miq_rq_addr_lo,
    636 	    qinfo->miq_pi_addr_lo, qinfo->miq_ci_addr_lo);
    637 
    638 	if (mfi_poll(ccb)) {
    639 		aprint_error_dev(sc->sc_dev,
    640 		    "mfi_initialize_firmware failed\n");
    641 		return 1;
    642 	}
    643 
    644 	mfi_put_ccb(ccb);
    645 
    646 	return 0;
    647 }
    648 
    649 static int
    650 mfi_get_info(struct mfi_softc *sc)
    651 {
    652 #ifdef MFI_DEBUG
    653 	int i;
    654 #endif
    655 	DNPRINTF(MFI_D_MISC, "%s: mfi_get_info\n", DEVNAME(sc));
    656 
    657 	if (mfi_mgmt_internal(sc, MR_DCMD_CTRL_GET_INFO, MFI_DATA_IN,
    658 	    sizeof(sc->sc_info), &sc->sc_info, NULL, cold ? true : false))
    659 		return 1;
    660 
    661 #ifdef MFI_DEBUG
    662 
    663 	for (i = 0; i < sc->sc_info.mci_image_component_count; i++) {
    664 		printf("%s: active FW %s Version %s date %s time %s\n",
    665 		    DEVNAME(sc),
    666 		    sc->sc_info.mci_image_component[i].mic_name,
    667 		    sc->sc_info.mci_image_component[i].mic_version,
    668 		    sc->sc_info.mci_image_component[i].mic_build_date,
    669 		    sc->sc_info.mci_image_component[i].mic_build_time);
    670 	}
    671 
    672 	for (i = 0; i < sc->sc_info.mci_pending_image_component_count; i++) {
    673 		printf("%s: pending FW %s Version %s date %s time %s\n",
    674 		    DEVNAME(sc),
    675 		    sc->sc_info.mci_pending_image_component[i].mic_name,
    676 		    sc->sc_info.mci_pending_image_component[i].mic_version,
    677 		    sc->sc_info.mci_pending_image_component[i].mic_build_date,
    678 		    sc->sc_info.mci_pending_image_component[i].mic_build_time);
    679 	}
    680 
    681 	printf("%s: max_arms %d max_spans %d max_arrs %d max_lds %d name %s\n",
    682 	    DEVNAME(sc),
    683 	    sc->sc_info.mci_max_arms,
    684 	    sc->sc_info.mci_max_spans,
    685 	    sc->sc_info.mci_max_arrays,
    686 	    sc->sc_info.mci_max_lds,
    687 	    sc->sc_info.mci_product_name);
    688 
    689 	printf("%s: serial %s present %#x fw time %d max_cmds %d max_sg %d\n",
    690 	    DEVNAME(sc),
    691 	    sc->sc_info.mci_serial_number,
    692 	    sc->sc_info.mci_hw_present,
    693 	    sc->sc_info.mci_current_fw_time,
    694 	    sc->sc_info.mci_max_cmds,
    695 	    sc->sc_info.mci_max_sg_elements);
    696 
    697 	printf("%s: max_rq %d lds_pres %d lds_deg %d lds_off %d pd_pres %d\n",
    698 	    DEVNAME(sc),
    699 	    sc->sc_info.mci_max_request_size,
    700 	    sc->sc_info.mci_lds_present,
    701 	    sc->sc_info.mci_lds_degraded,
    702 	    sc->sc_info.mci_lds_offline,
    703 	    sc->sc_info.mci_pd_present);
    704 
    705 	printf("%s: pd_dsk_prs %d pd_dsk_pred_fail %d pd_dsk_fail %d\n",
    706 	    DEVNAME(sc),
    707 	    sc->sc_info.mci_pd_disks_present,
    708 	    sc->sc_info.mci_pd_disks_pred_failure,
    709 	    sc->sc_info.mci_pd_disks_failed);
    710 
    711 	printf("%s: nvram %d mem %d flash %d\n",
    712 	    DEVNAME(sc),
    713 	    sc->sc_info.mci_nvram_size,
    714 	    sc->sc_info.mci_memory_size,
    715 	    sc->sc_info.mci_flash_size);
    716 
    717 	printf("%s: ram_cor %d ram_uncor %d clus_all %d clus_act %d\n",
    718 	    DEVNAME(sc),
    719 	    sc->sc_info.mci_ram_correctable_errors,
    720 	    sc->sc_info.mci_ram_uncorrectable_errors,
    721 	    sc->sc_info.mci_cluster_allowed,
    722 	    sc->sc_info.mci_cluster_active);
    723 
    724 	printf("%s: max_strps_io %d raid_lvl %#x adapt_ops %#x ld_ops %#x\n",
    725 	    DEVNAME(sc),
    726 	    sc->sc_info.mci_max_strips_per_io,
    727 	    sc->sc_info.mci_raid_levels,
    728 	    sc->sc_info.mci_adapter_ops,
    729 	    sc->sc_info.mci_ld_ops);
    730 
    731 	printf("%s: strp_sz_min %d strp_sz_max %d pd_ops %#x pd_mix %#x\n",
    732 	    DEVNAME(sc),
    733 	    sc->sc_info.mci_stripe_sz_ops.min,
    734 	    sc->sc_info.mci_stripe_sz_ops.max,
    735 	    sc->sc_info.mci_pd_ops,
    736 	    sc->sc_info.mci_pd_mix_support);
    737 
    738 	printf("%s: ecc_bucket %d pckg_prop %s\n",
    739 	    DEVNAME(sc),
    740 	    sc->sc_info.mci_ecc_bucket_count,
    741 	    sc->sc_info.mci_package_version);
    742 
    743 	printf("%s: sq_nm %d prd_fail_poll %d intr_thrtl %d intr_thrtl_to %d\n",
    744 	    DEVNAME(sc),
    745 	    sc->sc_info.mci_properties.mcp_seq_num,
    746 	    sc->sc_info.mci_properties.mcp_pred_fail_poll_interval,
    747 	    sc->sc_info.mci_properties.mcp_intr_throttle_cnt,
    748 	    sc->sc_info.mci_properties.mcp_intr_throttle_timeout);
    749 
    750 	printf("%s: rbld_rate %d patr_rd_rate %d bgi_rate %d cc_rate %d\n",
    751 	    DEVNAME(sc),
    752 	    sc->sc_info.mci_properties.mcp_rebuild_rate,
    753 	    sc->sc_info.mci_properties.mcp_patrol_read_rate,
    754 	    sc->sc_info.mci_properties.mcp_bgi_rate,
    755 	    sc->sc_info.mci_properties.mcp_cc_rate);
    756 
    757 	printf("%s: rc_rate %d ch_flsh %d spin_cnt %d spin_dly %d clus_en %d\n",
    758 	    DEVNAME(sc),
    759 	    sc->sc_info.mci_properties.mcp_recon_rate,
    760 	    sc->sc_info.mci_properties.mcp_cache_flush_interval,
    761 	    sc->sc_info.mci_properties.mcp_spinup_drv_cnt,
    762 	    sc->sc_info.mci_properties.mcp_spinup_delay,
    763 	    sc->sc_info.mci_properties.mcp_cluster_enable);
    764 
    765 	printf("%s: coerc %d alarm %d dis_auto_rbld %d dis_bat_wrn %d ecc %d\n",
    766 	    DEVNAME(sc),
    767 	    sc->sc_info.mci_properties.mcp_coercion_mode,
    768 	    sc->sc_info.mci_properties.mcp_alarm_enable,
    769 	    sc->sc_info.mci_properties.mcp_disable_auto_rebuild,
    770 	    sc->sc_info.mci_properties.mcp_disable_battery_warn,
    771 	    sc->sc_info.mci_properties.mcp_ecc_bucket_size);
    772 
    773 	printf("%s: ecc_leak %d rest_hs %d exp_encl_dev %d\n",
    774 	    DEVNAME(sc),
    775 	    sc->sc_info.mci_properties.mcp_ecc_bucket_leak_rate,
    776 	    sc->sc_info.mci_properties.mcp_restore_hotspare_on_insertion,
    777 	    sc->sc_info.mci_properties.mcp_expose_encl_devices);
    778 
    779 	printf("%s: vendor %#x device %#x subvendor %#x subdevice %#x\n",
    780 	    DEVNAME(sc),
    781 	    sc->sc_info.mci_pci.mip_vendor,
    782 	    sc->sc_info.mci_pci.mip_device,
    783 	    sc->sc_info.mci_pci.mip_subvendor,
    784 	    sc->sc_info.mci_pci.mip_subdevice);
    785 
    786 	printf("%s: type %#x port_count %d port_addr ",
    787 	    DEVNAME(sc),
    788 	    sc->sc_info.mci_host.mih_type,
    789 	    sc->sc_info.mci_host.mih_port_count);
    790 
    791 	for (i = 0; i < 8; i++)
    792 		printf("%.0" PRIx64 " ", sc->sc_info.mci_host.mih_port_addr[i]);
    793 	printf("\n");
    794 
    795 	printf("%s: type %.x port_count %d port_addr ",
    796 	    DEVNAME(sc),
    797 	    sc->sc_info.mci_device.mid_type,
    798 	    sc->sc_info.mci_device.mid_port_count);
    799 
    800 	for (i = 0; i < 8; i++) {
    801 		printf("%.0" PRIx64 " ",
    802 		    sc->sc_info.mci_device.mid_port_addr[i]);
    803 	}
    804 	printf("\n");
    805 #endif /* MFI_DEBUG */
    806 
    807 	return 0;
    808 }
    809 
    810 static int
    811 mfi_get_bbu(struct mfi_softc *sc, struct mfi_bbu_status *stat)
    812 {
    813 	DNPRINTF(MFI_D_MISC, "%s: mfi_get_bbu\n", DEVNAME(sc));
    814 
    815 	if (mfi_mgmt_internal(sc, MR_DCMD_BBU_GET_STATUS, MFI_DATA_IN,
    816 	    sizeof(*stat), stat, NULL, cold ? true : false))
    817 		return MFI_BBU_UNKNOWN;
    818 #ifdef MFI_DEBUG
    819 	printf("bbu type %d, voltage %d, current %d, temperature %d, "
    820 	    "status 0x%x\n", stat->battery_type, stat->voltage, stat->current,
    821 	    stat->temperature, stat->fw_status);
    822 	printf("details: ");
    823 	switch(stat->battery_type) {
    824 	case MFI_BBU_TYPE_IBBU:
    825 		printf("guage %d relative charge %d charger state %d "
    826 		    "charger ctrl %d\n", stat->detail.ibbu.gas_guage_status,
    827 		    stat->detail.ibbu.relative_charge ,
    828 		    stat->detail.ibbu.charger_system_state ,
    829 		    stat->detail.ibbu.charger_system_ctrl);
    830 		printf("\tcurrent %d abs charge %d max error %d\n",
    831 		    stat->detail.ibbu.charging_current ,
    832 		    stat->detail.ibbu.absolute_charge ,
    833 		    stat->detail.ibbu.max_error);
    834 		break;
    835 	case MFI_BBU_TYPE_BBU:
    836 		printf("guage %d relative charge %d charger state %d\n",
    837 		    stat->detail.ibbu.gas_guage_status,
    838 		    stat->detail.bbu.relative_charge ,
    839 		    stat->detail.bbu.charger_status );
    840 		printf("\trem capacity %d fyll capacity %d SOH %d\n",
    841 		    stat->detail.bbu.remaining_capacity ,
    842 		    stat->detail.bbu.full_charge_capacity ,
    843 		    stat->detail.bbu.is_SOH_good);
    844 	default:
    845 		printf("\n");
    846 	}
    847 #endif
    848 	switch(stat->battery_type) {
    849 	case MFI_BBU_TYPE_BBU:
    850 		return (stat->detail.bbu.is_SOH_good ?
    851 		    MFI_BBU_GOOD : MFI_BBU_BAD);
    852 	case MFI_BBU_TYPE_NONE:
    853 		return MFI_BBU_UNKNOWN;
    854 	default:
    855 		if (stat->fw_status &
    856 		    (MFI_BBU_STATE_PACK_MISSING |
    857 		     MFI_BBU_STATE_VOLTAGE_LOW |
    858 		     MFI_BBU_STATE_TEMPERATURE_HIGH |
    859 		     MFI_BBU_STATE_LEARN_CYC_FAIL |
    860 		     MFI_BBU_STATE_LEARN_CYC_TIMEOUT |
    861 		     MFI_BBU_STATE_I2C_ERR_DETECT))
    862 			return MFI_BBU_BAD;
    863 		return MFI_BBU_GOOD;
    864 	}
    865 }
    866 
    867 static void
    868 mfiminphys(struct buf *bp)
    869 {
    870 	DNPRINTF(MFI_D_MISC, "mfiminphys: %d\n", bp->b_bcount);
    871 
    872 	/* XXX currently using MFI_MAXFER = MAXPHYS */
    873 	if (bp->b_bcount > MFI_MAXFER)
    874 		bp->b_bcount = MFI_MAXFER;
    875 	minphys(bp);
    876 }
    877 
    878 int
    879 mfi_rescan(device_t self, const char *ifattr, const int *locators)
    880 {
    881 	struct mfi_softc *sc = device_private(self);
    882 
    883 	if (sc->sc_child != NULL)
    884 		return 0;
    885 
    886 	sc->sc_child = config_found_sm_loc(self, ifattr, locators, &sc->sc_chan,
    887 	    scsiprint, NULL);
    888 
    889 	return 0;
    890 }
    891 
    892 void
    893 mfi_childdetached(device_t self, device_t child)
    894 {
    895 	struct mfi_softc *sc = device_private(self);
    896 
    897 	KASSERT(self == sc->sc_dev);
    898 	KASSERT(child == sc->sc_child);
    899 
    900 	if (child == sc->sc_child)
    901 		sc->sc_child = NULL;
    902 }
    903 
    904 int
    905 mfi_detach(struct mfi_softc *sc, int flags)
    906 {
    907 	int			error;
    908 
    909 	DNPRINTF(MFI_D_MISC, "%s: mfi_detach\n", DEVNAME(sc));
    910 
    911 	if ((error = config_detach_children(sc->sc_dev, flags)) != 0)
    912 		return error;
    913 
    914 #if NBIO > 0
    915 	mfi_destroy_sensors(sc);
    916 	bio_unregister(sc->sc_dev);
    917 #endif /* NBIO > 0 */
    918 
    919 	mfi_intr_disable(sc);
    920 	mfi_shutdown(sc->sc_dev, 0);
    921 
    922 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
    923 		workqueue_destroy(sc->sc_ldsync_wq);
    924 		mfi_put_ccb(sc->sc_ldsync_ccb);
    925 		mfi_freemem(sc, &sc->sc_tbolt_reqmsgpool);
    926 		mfi_freemem(sc, &sc->sc_tbolt_ioc_init);
    927 		mfi_freemem(sc, &sc->sc_tbolt_verbuf);
    928 	}
    929 
    930 	if ((error = mfi_destroy_ccb(sc)) != 0)
    931 		return error;
    932 
    933 	mfi_freemem(sc, &sc->sc_sense);
    934 
    935 	mfi_freemem(sc, &sc->sc_frames);
    936 
    937 	mfi_freemem(sc, &sc->sc_pcq);
    938 
    939 	return 0;
    940 }
    941 
    942 static bool
    943 mfi_shutdown(device_t dev, int how)
    944 {
    945 	struct mfi_softc	*sc = device_private(dev);
    946 	uint8_t			mbox[MFI_MBOX_SIZE];
    947 	int s = splbio();
    948 	DNPRINTF(MFI_D_MISC, "%s: mfi_shutdown\n", DEVNAME(sc));
    949 	if (sc->sc_running) {
    950 		mbox[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
    951 		if (mfi_mgmt_internal(sc, MR_DCMD_CTRL_CACHE_FLUSH,
    952 		    MFI_DATA_NONE, 0, NULL, mbox, true)) {
    953 			aprint_error_dev(dev, "shutdown: cache flush failed\n");
    954 			goto fail;
    955 		}
    956 
    957 		mbox[0] = 0;
    958 		if (mfi_mgmt_internal(sc, MR_DCMD_CTRL_SHUTDOWN,
    959 		    MFI_DATA_NONE, 0, NULL, mbox, true)) {
    960 			aprint_error_dev(dev, "shutdown: "
    961 			    "firmware shutdown failed\n");
    962 			goto fail;
    963 		}
    964 		sc->sc_running = false;
    965 	}
    966 	splx(s);
    967 	return true;
    968 fail:
    969 	splx(s);
    970 	return false;
    971 }
    972 
    973 static bool
    974 mfi_suspend(device_t dev, const pmf_qual_t *q)
    975 {
    976 	/* XXX to be implemented */
    977 	return false;
    978 }
    979 
    980 static bool
    981 mfi_resume(device_t dev, const pmf_qual_t *q)
    982 {
    983 	/* XXX to be implemented */
    984 	return false;
    985 }
    986 
    987 int
    988 mfi_attach(struct mfi_softc *sc, enum mfi_iop iop)
    989 {
    990 	struct scsipi_adapter *adapt = &sc->sc_adapt;
    991 	struct scsipi_channel *chan = &sc->sc_chan;
    992 	uint32_t		status, frames, max_sgl;
    993 	int			i;
    994 
    995 	DNPRINTF(MFI_D_MISC, "%s: mfi_attach\n", DEVNAME(sc));
    996 
    997 	sc->sc_ioptype = iop;
    998 
    999 	switch (iop) {
   1000 	case MFI_IOP_XSCALE:
   1001 		sc->sc_iop = &mfi_iop_xscale;
   1002 		break;
   1003 	case MFI_IOP_PPC:
   1004 		sc->sc_iop = &mfi_iop_ppc;
   1005 		break;
   1006 	case MFI_IOP_GEN2:
   1007 		sc->sc_iop = &mfi_iop_gen2;
   1008 		break;
   1009 	case MFI_IOP_SKINNY:
   1010 		sc->sc_iop = &mfi_iop_skinny;
   1011 		break;
   1012 	case MFI_IOP_TBOLT:
   1013 		sc->sc_iop = &mfi_iop_tbolt;
   1014 		break;
   1015 	default:
   1016 		 panic("%s: unknown iop %d", DEVNAME(sc), iop);
   1017 	}
   1018 
   1019 	if (mfi_transition_firmware(sc))
   1020 		return 1;
   1021 
   1022 	TAILQ_INIT(&sc->sc_ccb_freeq);
   1023 
   1024 	status = mfi_fw_state(sc);
   1025 	sc->sc_max_cmds = status & MFI_STATE_MAXCMD_MASK;
   1026 	max_sgl = (status & MFI_STATE_MAXSGL_MASK) >> 16;
   1027 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
   1028 		sc->sc_max_sgl = min(max_sgl, (128 * 1024) / PAGE_SIZE + 1);
   1029 		sc->sc_sgl_size = sizeof(struct mfi_sg_ieee);
   1030 	} else if (sc->sc_64bit_dma) {
   1031 		sc->sc_max_sgl = min(max_sgl, (128 * 1024) / PAGE_SIZE + 1);
   1032 		sc->sc_sgl_size = sizeof(struct mfi_sg64);
   1033 	} else {
   1034 		sc->sc_max_sgl = max_sgl;
   1035 		sc->sc_sgl_size = sizeof(struct mfi_sg32);
   1036 	}
   1037 	DNPRINTF(MFI_D_MISC, "%s: max commands: %u, max sgl: %u\n",
   1038 	    DEVNAME(sc), sc->sc_max_cmds, sc->sc_max_sgl);
   1039 
   1040 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
   1041 		uint32_t tb_mem_size;
   1042 		/* for Alignment */
   1043 		tb_mem_size = MEGASAS_THUNDERBOLT_MSG_ALLIGNMENT;
   1044 
   1045 		tb_mem_size +=
   1046 		    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE * (sc->sc_max_cmds + 1);
   1047 		sc->sc_reply_pool_size =
   1048 		    ((sc->sc_max_cmds + 1 + 15) / 16) * 16;
   1049 		tb_mem_size +=
   1050 		    MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size;
   1051 
   1052 		/* this is for SGL's */
   1053 		tb_mem_size += MEGASAS_MAX_SZ_CHAIN_FRAME * sc->sc_max_cmds;
   1054 		sc->sc_tbolt_reqmsgpool = mfi_allocmem(sc, tb_mem_size);
   1055 		if (sc->sc_tbolt_reqmsgpool == NULL) {
   1056 			aprint_error_dev(sc->sc_dev,
   1057 			    "unable to allocate thunderbolt "
   1058 			    "request message pool\n");
   1059 			goto nopcq;
   1060 		}
   1061 		if (mfi_tbolt_init_desc_pool(sc)) {
   1062 			aprint_error_dev(sc->sc_dev,
   1063 			    "Thunderbolt pool preparation error\n");
   1064 			goto nopcq;
   1065 		}
   1066 
   1067 		/*
   1068 		 * Allocate DMA memory mapping for MPI2 IOC Init descriptor,
   1069 		 * we are taking it diffrent from what we have allocated for
   1070 		 * Request and reply descriptors to avoid confusion later
   1071 		 */
   1072 		sc->sc_tbolt_ioc_init = mfi_allocmem(sc,
   1073 		    sizeof(struct mpi2_ioc_init_request));
   1074 		if (sc->sc_tbolt_ioc_init == NULL) {
   1075 			aprint_error_dev(sc->sc_dev,
   1076 			    "unable to allocate thunderbolt IOC init memory");
   1077 			goto nopcq;
   1078 		}
   1079 
   1080 		sc->sc_tbolt_verbuf = mfi_allocmem(sc,
   1081 		    MEGASAS_MAX_NAME*sizeof(bus_addr_t));
   1082 		if (sc->sc_tbolt_verbuf == NULL) {
   1083 			aprint_error_dev(sc->sc_dev,
   1084 			    "unable to allocate thunderbolt version buffer\n");
   1085 			goto nopcq;
   1086 		}
   1087 
   1088 	}
   1089 	/* consumer/producer and reply queue memory */
   1090 	sc->sc_pcq = mfi_allocmem(sc, (sizeof(uint32_t) * sc->sc_max_cmds) +
   1091 	    sizeof(struct mfi_prod_cons));
   1092 	if (sc->sc_pcq == NULL) {
   1093 		aprint_error_dev(sc->sc_dev,
   1094 		    "unable to allocate reply queue memory\n");
   1095 		goto nopcq;
   1096 	}
   1097 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_pcq), 0,
   1098 	    sizeof(uint32_t) * sc->sc_max_cmds + sizeof(struct mfi_prod_cons),
   1099 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   1100 
   1101 	/* frame memory */
   1102 	frames = (sc->sc_sgl_size * sc->sc_max_sgl + MFI_FRAME_SIZE - 1) /
   1103 	    MFI_FRAME_SIZE + 1;
   1104 	sc->sc_frames_size = frames * MFI_FRAME_SIZE;
   1105 	sc->sc_frames = mfi_allocmem(sc, sc->sc_frames_size * sc->sc_max_cmds);
   1106 	if (sc->sc_frames == NULL) {
   1107 		aprint_error_dev(sc->sc_dev,
   1108 		    "unable to allocate frame memory\n");
   1109 		goto noframe;
   1110 	}
   1111 	/* XXX hack, fix this */
   1112 	if (MFIMEM_DVA(sc->sc_frames) & 0x3f) {
   1113 		aprint_error_dev(sc->sc_dev,
   1114 		    "improper frame alignment (%#llx) FIXME\n",
   1115 		    (long long int)MFIMEM_DVA(sc->sc_frames));
   1116 		goto noframe;
   1117 	}
   1118 
   1119 	/* sense memory */
   1120 	sc->sc_sense = mfi_allocmem(sc, sc->sc_max_cmds * MFI_SENSE_SIZE);
   1121 	if (sc->sc_sense == NULL) {
   1122 		aprint_error_dev(sc->sc_dev,
   1123 		    "unable to allocate sense memory\n");
   1124 		goto nosense;
   1125 	}
   1126 
   1127 	/* now that we have all memory bits go initialize ccbs */
   1128 	if (mfi_init_ccb(sc)) {
   1129 		aprint_error_dev(sc->sc_dev, "could not init ccb list\n");
   1130 		goto noinit;
   1131 	}
   1132 
   1133 	/* kickstart firmware with all addresses and pointers */
   1134 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
   1135 		if (mfi_tbolt_init_MFI_queue(sc)) {
   1136 			aprint_error_dev(sc->sc_dev,
   1137 			    "could not initialize firmware\n");
   1138 			goto noinit;
   1139 		}
   1140 	} else {
   1141 		if (mfi_initialize_firmware(sc)) {
   1142 			aprint_error_dev(sc->sc_dev,
   1143 			    "could not initialize firmware\n");
   1144 			goto noinit;
   1145 		}
   1146 	}
   1147 	sc->sc_running = true;
   1148 
   1149 	if (mfi_get_info(sc)) {
   1150 		aprint_error_dev(sc->sc_dev,
   1151 		    "could not retrieve controller information\n");
   1152 		goto noinit;
   1153 	}
   1154 	aprint_normal_dev(sc->sc_dev,
   1155 	    "%s version %s\n",
   1156 	    sc->sc_info.mci_product_name,
   1157 	    sc->sc_info.mci_package_version);
   1158 
   1159 
   1160 	aprint_normal_dev(sc->sc_dev, "logical drives %d, %dMB RAM, ",
   1161 	    sc->sc_info.mci_lds_present,
   1162 	    sc->sc_info.mci_memory_size);
   1163 	sc->sc_bbuok = false;
   1164 	if (sc->sc_info.mci_hw_present & MFI_INFO_HW_BBU) {
   1165 		struct mfi_bbu_status	bbu_stat;
   1166 		int mfi_bbu_status = mfi_get_bbu(sc, &bbu_stat);
   1167 		aprint_normal("BBU type ");
   1168 		switch (bbu_stat.battery_type) {
   1169 		case MFI_BBU_TYPE_BBU:
   1170 			aprint_normal("BBU");
   1171 			break;
   1172 		case MFI_BBU_TYPE_IBBU:
   1173 			aprint_normal("IBBU");
   1174 			break;
   1175 		default:
   1176 			aprint_normal("unknown type %d", bbu_stat.battery_type);
   1177 		}
   1178 		aprint_normal(", status ");
   1179 		switch(mfi_bbu_status) {
   1180 		case MFI_BBU_GOOD:
   1181 			aprint_normal("good\n");
   1182 			sc->sc_bbuok = true;
   1183 			break;
   1184 		case MFI_BBU_BAD:
   1185 			aprint_normal("bad\n");
   1186 			break;
   1187 		case MFI_BBU_UNKNOWN:
   1188 			aprint_normal("unknown\n");
   1189 			break;
   1190 		default:
   1191 			panic("mfi_bbu_status");
   1192 		}
   1193 	} else {
   1194 		aprint_normal("BBU not present\n");
   1195 	}
   1196 
   1197 	sc->sc_ld_cnt = sc->sc_info.mci_lds_present;
   1198 	sc->sc_max_ld = sc->sc_ld_cnt;
   1199 	for (i = 0; i < sc->sc_ld_cnt; i++)
   1200 		sc->sc_ld[i].ld_present = 1;
   1201 
   1202 	memset(adapt, 0, sizeof(*adapt));
   1203 	adapt->adapt_dev = sc->sc_dev;
   1204 	adapt->adapt_nchannels = 1;
   1205 	/* keep a few commands for management */
   1206 	if (sc->sc_max_cmds > 4)
   1207 		adapt->adapt_openings = sc->sc_max_cmds - 4;
   1208 	else
   1209 		adapt->adapt_openings = sc->sc_max_cmds;
   1210 	adapt->adapt_max_periph = adapt->adapt_openings;
   1211 	adapt->adapt_request = mfi_scsipi_request;
   1212 	adapt->adapt_minphys = mfiminphys;
   1213 
   1214 	memset(chan, 0, sizeof(*chan));
   1215 	chan->chan_adapter = adapt;
   1216 	chan->chan_bustype = &scsi_sas_bustype;
   1217 	chan->chan_channel = 0;
   1218 	chan->chan_flags = 0;
   1219 	chan->chan_nluns = 8;
   1220 	chan->chan_ntargets = MFI_MAX_LD;
   1221 	chan->chan_id = MFI_MAX_LD;
   1222 
   1223 	mfi_rescan(sc->sc_dev, "scsi", NULL);
   1224 
   1225 	/* enable interrupts */
   1226 	mfi_intr_enable(sc);
   1227 
   1228 #if NBIO > 0
   1229 	if (bio_register(sc->sc_dev, mfi_ioctl) != 0)
   1230 		panic("%s: controller registration failed", DEVNAME(sc));
   1231 	if (mfi_create_sensors(sc) != 0)
   1232 		aprint_error_dev(sc->sc_dev, "unable to create sensors\n");
   1233 #endif /* NBIO > 0 */
   1234 	if (!pmf_device_register1(sc->sc_dev, mfi_suspend, mfi_resume,
   1235 	    mfi_shutdown)) {
   1236 		aprint_error_dev(sc->sc_dev,
   1237 		    "couldn't establish power handler\n");
   1238 	}
   1239 
   1240 	return 0;
   1241 noinit:
   1242 	mfi_freemem(sc, &sc->sc_sense);
   1243 nosense:
   1244 	mfi_freemem(sc, &sc->sc_frames);
   1245 noframe:
   1246 	mfi_freemem(sc, &sc->sc_pcq);
   1247 nopcq:
   1248 	if (sc->sc_ioptype == MFI_IOP_TBOLT) {
   1249 		if (sc->sc_tbolt_reqmsgpool)
   1250 			mfi_freemem(sc, &sc->sc_tbolt_reqmsgpool);
   1251 		if (sc->sc_tbolt_verbuf)
   1252 			mfi_freemem(sc, &sc->sc_tbolt_verbuf);
   1253 	}
   1254 	return 1;
   1255 }
   1256 
   1257 static int
   1258 mfi_poll(struct mfi_ccb *ccb)
   1259 {
   1260 	struct mfi_softc *sc = ccb->ccb_sc;
   1261 	struct mfi_frame_header	*hdr;
   1262 	int			to = 0;
   1263 	int			rv = 0;
   1264 
   1265 	DNPRINTF(MFI_D_CMD, "%s: mfi_poll\n", DEVNAME(sc));
   1266 
   1267 	hdr = &ccb->ccb_frame->mfr_header;
   1268 	hdr->mfh_cmd_status = 0xff;
   1269 	if (!sc->sc_MFA_enabled)
   1270 		hdr->mfh_flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
   1271 
   1272 	/* no callback, caller is supposed to do the cleanup */
   1273 	ccb->ccb_done = NULL;
   1274 
   1275 	mfi_post(sc, ccb);
   1276 	if (sc->sc_MFA_enabled) {
   1277 		/*
   1278 		 * depending on the command type, result may be posted
   1279 		 * to *hdr, or not. In addition it seems there's
   1280 		 * no way to avoid posting the SMID to the reply queue.
   1281 		 * So pool using the interrupt routine.
   1282 		 */
   1283 		 while (ccb->ccb_state != MFI_CCB_DONE) {
   1284 			delay(1000);
   1285 			if (to++ > 5000) { /* XXX 5 seconds busywait sucks */
   1286 				rv = 1;
   1287 				break;
   1288 			}
   1289 			mfi_tbolt_intrh(sc);
   1290 		 }
   1291 	} else {
   1292 		bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_frames),
   1293 		    ccb->ccb_pframe - MFIMEM_DVA(sc->sc_frames),
   1294 		    sc->sc_frames_size, BUS_DMASYNC_POSTREAD);
   1295 
   1296 		while (hdr->mfh_cmd_status == 0xff) {
   1297 			delay(1000);
   1298 			if (to++ > 5000) { /* XXX 5 seconds busywait sucks */
   1299 				rv = 1;
   1300 				break;
   1301 			}
   1302 			bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_frames),
   1303 			    ccb->ccb_pframe - MFIMEM_DVA(sc->sc_frames),
   1304 			    sc->sc_frames_size, BUS_DMASYNC_POSTREAD);
   1305 		}
   1306 	}
   1307 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_frames),
   1308 	    ccb->ccb_pframe - MFIMEM_DVA(sc->sc_frames),
   1309 	    sc->sc_frames_size, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   1310 
   1311 	if (ccb->ccb_data != NULL) {
   1312 		DNPRINTF(MFI_D_INTR, "%s: mfi_mgmt_done sync\n",
   1313 		    DEVNAME(sc));
   1314 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   1315 		    ccb->ccb_dmamap->dm_mapsize,
   1316 		    (ccb->ccb_direction & MFI_DATA_IN) ?
   1317 		    BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
   1318 
   1319 		bus_dmamap_unload(sc->sc_datadmat, ccb->ccb_dmamap);
   1320 	}
   1321 
   1322 	if (rv != 0) {
   1323 		aprint_error_dev(sc->sc_dev, "timeout on ccb %d\n",
   1324 		    hdr->mfh_context);
   1325 		ccb->ccb_flags |= MFI_CCB_F_ERR;
   1326 		return 1;
   1327 	}
   1328 
   1329 	return 0;
   1330 }
   1331 
   1332 int
   1333 mfi_intr(void *arg)
   1334 {
   1335 	struct mfi_softc	*sc = arg;
   1336 	struct mfi_prod_cons	*pcq;
   1337 	struct mfi_ccb		*ccb;
   1338 	uint32_t		producer, consumer, ctx;
   1339 	int			claimed = 0;
   1340 
   1341 	if (!mfi_my_intr(sc))
   1342 		return 0;
   1343 
   1344 	pcq = MFIMEM_KVA(sc->sc_pcq);
   1345 
   1346 	DNPRINTF(MFI_D_INTR, "%s: mfi_intr %#lx %#lx\n", DEVNAME(sc),
   1347 	    (u_long)sc, (u_long)pcq);
   1348 
   1349 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_pcq), 0,
   1350 	    sizeof(uint32_t) * sc->sc_max_cmds + sizeof(struct mfi_prod_cons),
   1351 	    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   1352 
   1353 	producer = pcq->mpc_producer;
   1354 	consumer = pcq->mpc_consumer;
   1355 
   1356 	while (consumer != producer) {
   1357 		DNPRINTF(MFI_D_INTR, "%s: mfi_intr pi %#x ci %#x\n",
   1358 		    DEVNAME(sc), producer, consumer);
   1359 
   1360 		ctx = pcq->mpc_reply_q[consumer];
   1361 		pcq->mpc_reply_q[consumer] = MFI_INVALID_CTX;
   1362 		if (ctx == MFI_INVALID_CTX)
   1363 			aprint_error_dev(sc->sc_dev,
   1364 			    "invalid context, p: %d c: %d\n",
   1365 			    producer, consumer);
   1366 		else {
   1367 			/* XXX remove from queue and call scsi_done */
   1368 			ccb = &sc->sc_ccb[ctx];
   1369 			DNPRINTF(MFI_D_INTR, "%s: mfi_intr context %#x\n",
   1370 			    DEVNAME(sc), ctx);
   1371 			bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_frames),
   1372 			    ccb->ccb_pframe - MFIMEM_DVA(sc->sc_frames),
   1373 			    sc->sc_frames_size,
   1374 			    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   1375 			ccb->ccb_done(ccb);
   1376 
   1377 			claimed = 1;
   1378 		}
   1379 		consumer++;
   1380 		if (consumer == (sc->sc_max_cmds + 1))
   1381 			consumer = 0;
   1382 	}
   1383 
   1384 	pcq->mpc_consumer = consumer;
   1385 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_pcq), 0,
   1386 	    sizeof(uint32_t) * sc->sc_max_cmds + sizeof(struct mfi_prod_cons),
   1387 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   1388 
   1389 	return claimed;
   1390 }
   1391 
   1392 static int
   1393 mfi_scsi_ld_io(struct mfi_ccb *ccb, struct scsipi_xfer *xs, uint64_t blockno,
   1394     uint32_t blockcnt)
   1395 {
   1396 	struct scsipi_periph *periph = xs->xs_periph;
   1397 	struct mfi_io_frame   *io;
   1398 
   1399 	DNPRINTF(MFI_D_CMD, "%s: mfi_scsi_ld_io: %d\n",
   1400 	    device_xname(periph->periph_channel->chan_adapter->adapt_dev),
   1401 	    periph->periph_target);
   1402 
   1403 	if (!xs->data)
   1404 		return 1;
   1405 
   1406 	io = &ccb->ccb_frame->mfr_io;
   1407 	if (xs->xs_control & XS_CTL_DATA_IN) {
   1408 		io->mif_header.mfh_cmd = MFI_CMD_LD_READ;
   1409 		ccb->ccb_direction = MFI_DATA_IN;
   1410 	} else {
   1411 		io->mif_header.mfh_cmd = MFI_CMD_LD_WRITE;
   1412 		ccb->ccb_direction = MFI_DATA_OUT;
   1413 	}
   1414 	io->mif_header.mfh_target_id = periph->periph_target;
   1415 	io->mif_header.mfh_timeout = 0;
   1416 	io->mif_header.mfh_flags = 0;
   1417 	io->mif_header.mfh_sense_len = MFI_SENSE_SIZE;
   1418 	io->mif_header.mfh_data_len= blockcnt;
   1419 	io->mif_lba_hi = (blockno >> 32);
   1420 	io->mif_lba_lo = (blockno & 0xffffffff);
   1421 	io->mif_sense_addr_lo = htole32(ccb->ccb_psense);
   1422 	io->mif_sense_addr_hi = 0;
   1423 
   1424 	ccb->ccb_done = mfi_scsi_ld_done;
   1425 	ccb->ccb_xs = xs;
   1426 	ccb->ccb_frame_size = MFI_IO_FRAME_SIZE;
   1427 	ccb->ccb_sgl = &io->mif_sgl;
   1428 	ccb->ccb_data = xs->data;
   1429 	ccb->ccb_len = xs->datalen;
   1430 
   1431 	if (mfi_create_sgl(ccb, (xs->xs_control & XS_CTL_NOSLEEP) ?
   1432 	    BUS_DMA_NOWAIT : BUS_DMA_WAITOK))
   1433 		return 1;
   1434 
   1435 	return 0;
   1436 }
   1437 
   1438 static void
   1439 mfi_scsi_ld_done(struct mfi_ccb *ccb)
   1440 {
   1441 	struct mfi_frame_header	*hdr = &ccb->ccb_frame->mfr_header;
   1442 	mfi_scsi_xs_done(ccb, hdr->mfh_cmd_status, hdr->mfh_scsi_status);
   1443 }
   1444 
   1445 static void
   1446 mfi_scsi_xs_done(struct mfi_ccb *ccb, int status, int scsi_status)
   1447 {
   1448 	struct scsipi_xfer	*xs = ccb->ccb_xs;
   1449 	struct mfi_softc	*sc = ccb->ccb_sc;
   1450 
   1451 	DNPRINTF(MFI_D_INTR, "%s: mfi_scsi_xs_done %#lx %#lx\n",
   1452 	    DEVNAME(sc), (u_long)ccb, (u_long)ccb->ccb_frame);
   1453 
   1454 	if (xs->data != NULL) {
   1455 		DNPRINTF(MFI_D_INTR, "%s: mfi_scsi_xs_done sync\n",
   1456 		    DEVNAME(sc));
   1457 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   1458 		    ccb->ccb_dmamap->dm_mapsize,
   1459 		    (xs->xs_control & XS_CTL_DATA_IN) ?
   1460 		    BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
   1461 
   1462 		bus_dmamap_unload(sc->sc_datadmat, ccb->ccb_dmamap);
   1463 	}
   1464 
   1465 	if (status != MFI_STAT_OK) {
   1466 		xs->error = XS_DRIVER_STUFFUP;
   1467 		DNPRINTF(MFI_D_INTR, "%s: mfi_scsi_xs_done stuffup %#x\n",
   1468 		    DEVNAME(sc), status);
   1469 
   1470 		if (scsi_status != 0) {
   1471 			bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_sense),
   1472 			    ccb->ccb_psense - MFIMEM_DVA(sc->sc_sense),
   1473 			    MFI_SENSE_SIZE, BUS_DMASYNC_POSTREAD);
   1474 			DNPRINTF(MFI_D_INTR,
   1475 			    "%s: mfi_scsi_xs_done sense %#x %lx %lx\n",
   1476 			    DEVNAME(sc), scsi_status,
   1477 			    (u_long)&xs->sense, (u_long)ccb->ccb_sense);
   1478 			memset(&xs->sense, 0, sizeof(xs->sense));
   1479 			memcpy(&xs->sense, ccb->ccb_sense,
   1480 			    sizeof(struct scsi_sense_data));
   1481 			xs->error = XS_SENSE;
   1482 		}
   1483 	} else {
   1484 		xs->error = XS_NOERROR;
   1485 		xs->status = SCSI_OK;
   1486 		xs->resid = 0;
   1487 	}
   1488 
   1489 	mfi_put_ccb(ccb);
   1490 	scsipi_done(xs);
   1491 }
   1492 
   1493 static int
   1494 mfi_scsi_ld(struct mfi_ccb *ccb, struct scsipi_xfer *xs)
   1495 {
   1496 	struct mfi_pass_frame	*pf;
   1497 	struct scsipi_periph *periph = xs->xs_periph;
   1498 
   1499 	DNPRINTF(MFI_D_CMD, "%s: mfi_scsi_ld: %d\n",
   1500 	    device_xname(periph->periph_channel->chan_adapter->adapt_dev),
   1501 	    periph->periph_target);
   1502 
   1503 	pf = &ccb->ccb_frame->mfr_pass;
   1504 	pf->mpf_header.mfh_cmd = MFI_CMD_LD_SCSI_IO;
   1505 	pf->mpf_header.mfh_target_id = periph->periph_target;
   1506 	pf->mpf_header.mfh_lun_id = 0;
   1507 	pf->mpf_header.mfh_cdb_len = xs->cmdlen;
   1508 	pf->mpf_header.mfh_timeout = 0;
   1509 	pf->mpf_header.mfh_data_len= xs->datalen; /* XXX */
   1510 	pf->mpf_header.mfh_sense_len = MFI_SENSE_SIZE;
   1511 
   1512 	pf->mpf_sense_addr_hi = 0;
   1513 	pf->mpf_sense_addr_lo = htole32(ccb->ccb_psense);
   1514 
   1515 	memset(pf->mpf_cdb, 0, 16);
   1516 	memcpy(pf->mpf_cdb, &xs->cmdstore, xs->cmdlen);
   1517 
   1518 	ccb->ccb_done = mfi_scsi_ld_done;
   1519 	ccb->ccb_xs = xs;
   1520 	ccb->ccb_frame_size = MFI_PASS_FRAME_SIZE;
   1521 	ccb->ccb_sgl = &pf->mpf_sgl;
   1522 
   1523 	if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT))
   1524 		ccb->ccb_direction = (xs->xs_control & XS_CTL_DATA_IN) ?
   1525 		    MFI_DATA_IN : MFI_DATA_OUT;
   1526 	else
   1527 		ccb->ccb_direction = MFI_DATA_NONE;
   1528 
   1529 	if (xs->data) {
   1530 		ccb->ccb_data = xs->data;
   1531 		ccb->ccb_len = xs->datalen;
   1532 
   1533 		if (mfi_create_sgl(ccb, (xs->xs_control & XS_CTL_NOSLEEP) ?
   1534 		    BUS_DMA_NOWAIT : BUS_DMA_WAITOK))
   1535 			return 1;
   1536 	}
   1537 
   1538 	return 0;
   1539 }
   1540 
   1541 static void
   1542 mfi_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req,
   1543     void *arg)
   1544 {
   1545 	struct scsipi_periph	*periph;
   1546 	struct scsipi_xfer	*xs;
   1547 	struct scsipi_adapter	*adapt = chan->chan_adapter;
   1548 	struct mfi_softc	*sc = device_private(adapt->adapt_dev);
   1549 	struct mfi_ccb		*ccb;
   1550 	struct scsi_rw_6	*rw;
   1551 	struct scsipi_rw_10	*rwb;
   1552 	struct scsipi_rw_12	*rw12;
   1553 	struct scsipi_rw_16	*rw16;
   1554 	uint64_t		blockno;
   1555 	uint32_t		blockcnt;
   1556 	uint8_t			target;
   1557 	uint8_t			mbox[MFI_MBOX_SIZE];
   1558 	int			s;
   1559 
   1560 	switch (req) {
   1561 	case ADAPTER_REQ_GROW_RESOURCES:
   1562 		/* Not supported. */
   1563 		return;
   1564 	case ADAPTER_REQ_SET_XFER_MODE:
   1565 	{
   1566 		struct scsipi_xfer_mode *xm = arg;
   1567 		xm->xm_mode = PERIPH_CAP_TQING;
   1568 		xm->xm_period = 0;
   1569 		xm->xm_offset = 0;
   1570 		scsipi_async_event(&sc->sc_chan, ASYNC_EVENT_XFER_MODE, xm);
   1571 		return;
   1572 	}
   1573 	case ADAPTER_REQ_RUN_XFER:
   1574 		break;
   1575 	}
   1576 
   1577 	xs = arg;
   1578 
   1579 	periph = xs->xs_periph;
   1580 	target = periph->periph_target;
   1581 
   1582 	DNPRINTF(MFI_D_CMD, "%s: mfi_scsipi_request req %d opcode: %#x "
   1583 	    "target %d lun %d\n", DEVNAME(sc), req, xs->cmd->opcode,
   1584 	    periph->periph_target, periph->periph_lun);
   1585 
   1586 	s = splbio();
   1587 	if (target >= MFI_MAX_LD || !sc->sc_ld[target].ld_present ||
   1588 	    periph->periph_lun != 0) {
   1589 		DNPRINTF(MFI_D_CMD, "%s: invalid target %d\n",
   1590 		    DEVNAME(sc), target);
   1591 		xs->error = XS_SELTIMEOUT;
   1592 		scsipi_done(xs);
   1593 		splx(s);
   1594 		return;
   1595 	}
   1596 	if ((xs->cmd->opcode == SCSI_SYNCHRONIZE_CACHE_10 ||
   1597 	    xs->cmd->opcode == SCSI_SYNCHRONIZE_CACHE_16) && sc->sc_bbuok) {
   1598 		/* the cache is stable storage, don't flush */
   1599 		xs->error = XS_NOERROR;
   1600 		xs->status = SCSI_OK;
   1601 		xs->resid = 0;
   1602 		scsipi_done(xs);
   1603 		splx(s);
   1604 		return;
   1605 	}
   1606 
   1607 	if ((ccb = mfi_get_ccb(sc)) == NULL) {
   1608 		DNPRINTF(MFI_D_CMD, "%s: mfi_scsipi_request no ccb\n", DEVNAME(sc));
   1609 		xs->error = XS_RESOURCE_SHORTAGE;
   1610 		scsipi_done(xs);
   1611 		splx(s);
   1612 		return;
   1613 	}
   1614 
   1615 	switch (xs->cmd->opcode) {
   1616 	/* IO path */
   1617 	case READ_16:
   1618 	case WRITE_16:
   1619 		rw16 = (struct scsipi_rw_16 *)xs->cmd;
   1620 		blockno = _8btol(rw16->addr);
   1621 		blockcnt = _4btol(rw16->length);
   1622 		if (sc->sc_iop->mio_ld_io(ccb, xs, blockno, blockcnt)) {
   1623 			goto stuffup;
   1624 		}
   1625 		break;
   1626 
   1627 	case READ_12:
   1628 	case WRITE_12:
   1629 		rw12 = (struct scsipi_rw_12 *)xs->cmd;
   1630 		blockno = _4btol(rw12->addr);
   1631 		blockcnt = _4btol(rw12->length);
   1632 		if (sc->sc_iop->mio_ld_io(ccb, xs, blockno, blockcnt)) {
   1633 			goto stuffup;
   1634 		}
   1635 		break;
   1636 
   1637 	case READ_10:
   1638 	case WRITE_10:
   1639 		rwb = (struct scsipi_rw_10 *)xs->cmd;
   1640 		blockno = _4btol(rwb->addr);
   1641 		blockcnt = _2btol(rwb->length);
   1642 		if (sc->sc_iop->mio_ld_io(ccb, xs, blockno, blockcnt)) {
   1643 			goto stuffup;
   1644 		}
   1645 		break;
   1646 
   1647 	case SCSI_READ_6_COMMAND:
   1648 	case SCSI_WRITE_6_COMMAND:
   1649 		rw = (struct scsi_rw_6 *)xs->cmd;
   1650 		blockno = _3btol(rw->addr) & (SRW_TOPADDR << 16 | 0xffff);
   1651 		blockcnt = rw->length ? rw->length : 0x100;
   1652 		if (sc->sc_iop->mio_ld_io(ccb, xs, blockno, blockcnt)) {
   1653 			goto stuffup;
   1654 		}
   1655 		break;
   1656 
   1657 	case SCSI_SYNCHRONIZE_CACHE_10:
   1658 	case SCSI_SYNCHRONIZE_CACHE_16:
   1659 		mbox[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
   1660 		if (mfi_mgmt(ccb, xs,
   1661 		    MR_DCMD_CTRL_CACHE_FLUSH, MFI_DATA_NONE, 0, NULL, mbox)) {
   1662 			goto stuffup;
   1663 		}
   1664 		break;
   1665 
   1666 	/* hand it of to the firmware and let it deal with it */
   1667 	case SCSI_TEST_UNIT_READY:
   1668 		/* save off sd? after autoconf */
   1669 		if (!cold)	/* XXX bogus */
   1670 			strlcpy(sc->sc_ld[target].ld_dev, device_xname(sc->sc_dev),
   1671 			    sizeof(sc->sc_ld[target].ld_dev));
   1672 		/* FALLTHROUGH */
   1673 
   1674 	default:
   1675 		if (mfi_scsi_ld(ccb, xs)) {
   1676 			goto stuffup;
   1677 		}
   1678 		break;
   1679 	}
   1680 
   1681 	DNPRINTF(MFI_D_CMD, "%s: start io %d\n", DEVNAME(sc), target);
   1682 
   1683 	if (xs->xs_control & XS_CTL_POLL) {
   1684 		if (mfi_poll(ccb)) {
   1685 			/* XXX check for sense in ccb->ccb_sense? */
   1686 			aprint_error_dev(sc->sc_dev,
   1687 			    "mfi_scsipi_request poll failed\n");
   1688 			memset(&xs->sense, 0, sizeof(xs->sense));
   1689 			xs->sense.scsi_sense.response_code =
   1690 			    SSD_RCODE_VALID | SSD_RCODE_CURRENT;
   1691 			xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST;
   1692 			xs->sense.scsi_sense.asc = 0x20; /* invalid opcode */
   1693 			xs->error = XS_SENSE;
   1694 			xs->status = SCSI_CHECK;
   1695 		} else {
   1696 			DNPRINTF(MFI_D_DMA,
   1697 			    "%s: mfi_scsipi_request poll complete %d\n",
   1698 			    DEVNAME(sc), ccb->ccb_dmamap->dm_nsegs);
   1699 			xs->error = XS_NOERROR;
   1700 			xs->status = SCSI_OK;
   1701 			xs->resid = 0;
   1702 		}
   1703 		mfi_put_ccb(ccb);
   1704 		scsipi_done(xs);
   1705 		splx(s);
   1706 		return;
   1707 	}
   1708 
   1709 	mfi_post(sc, ccb);
   1710 
   1711 	DNPRINTF(MFI_D_DMA, "%s: mfi_scsipi_request queued %d\n", DEVNAME(sc),
   1712 	    ccb->ccb_dmamap->dm_nsegs);
   1713 
   1714 	splx(s);
   1715 	return;
   1716 
   1717 stuffup:
   1718 	mfi_put_ccb(ccb);
   1719 	xs->error = XS_DRIVER_STUFFUP;
   1720 	scsipi_done(xs);
   1721 	splx(s);
   1722 }
   1723 
   1724 static int
   1725 mfi_create_sgl(struct mfi_ccb *ccb, int flags)
   1726 {
   1727 	struct mfi_softc	*sc = ccb->ccb_sc;
   1728 	struct mfi_frame_header	*hdr;
   1729 	bus_dma_segment_t	*sgd;
   1730 	union mfi_sgl		*sgl;
   1731 	int			error, i;
   1732 
   1733 	DNPRINTF(MFI_D_DMA, "%s: mfi_create_sgl %#lx\n", DEVNAME(sc),
   1734 	    (u_long)ccb->ccb_data);
   1735 
   1736 	if (!ccb->ccb_data)
   1737 		return 1;
   1738 
   1739 	KASSERT(flags == BUS_DMA_NOWAIT || !cpu_intr_p());
   1740 	error = bus_dmamap_load(sc->sc_datadmat, ccb->ccb_dmamap,
   1741 	    ccb->ccb_data, ccb->ccb_len, NULL, flags);
   1742 	if (error) {
   1743 		if (error == EFBIG) {
   1744 			aprint_error_dev(sc->sc_dev, "more than %d dma segs\n",
   1745 			    sc->sc_max_sgl);
   1746 		} else {
   1747 			aprint_error_dev(sc->sc_dev,
   1748 			    "error %d loading dma map\n", error);
   1749 		}
   1750 		return 1;
   1751 	}
   1752 
   1753 	hdr = &ccb->ccb_frame->mfr_header;
   1754 	sgl = ccb->ccb_sgl;
   1755 	sgd = ccb->ccb_dmamap->dm_segs;
   1756 	for (i = 0; i < ccb->ccb_dmamap->dm_nsegs; i++) {
   1757 		if (sc->sc_ioptype == MFI_IOP_TBOLT &&
   1758 		    (hdr->mfh_cmd == MFI_CMD_PD_SCSI_IO ||
   1759 		     hdr->mfh_cmd == MFI_CMD_LD_READ ||
   1760 		     hdr->mfh_cmd == MFI_CMD_LD_WRITE)) {
   1761 			sgl->sg_ieee[i].addr = htole64(sgd[i].ds_addr);
   1762 			sgl->sg_ieee[i].len = htole32(sgd[i].ds_len);
   1763 			sgl->sg_ieee[i].flags = 0;
   1764 			DNPRINTF(MFI_D_DMA, "%s: addr: %#" PRIx64 " len: %#"
   1765 			    PRIx32 "\n",
   1766 			    DEVNAME(sc), sgl->sg64[i].addr, sgl->sg64[i].len);
   1767 			hdr->mfh_flags |= MFI_FRAME_IEEE_SGL | MFI_FRAME_SGL64;
   1768 		} else if (sc->sc_64bit_dma) {
   1769 			sgl->sg64[i].addr = htole64(sgd[i].ds_addr);
   1770 			sgl->sg64[i].len = htole32(sgd[i].ds_len);
   1771 			DNPRINTF(MFI_D_DMA, "%s: addr: %#" PRIx64 " len: %#"
   1772 			    PRIx32 "\n",
   1773 			    DEVNAME(sc), sgl->sg64[i].addr, sgl->sg64[i].len);
   1774 			hdr->mfh_flags |= MFI_FRAME_SGL64;
   1775 		} else {
   1776 			sgl->sg32[i].addr = htole32(sgd[i].ds_addr);
   1777 			sgl->sg32[i].len = htole32(sgd[i].ds_len);
   1778 			DNPRINTF(MFI_D_DMA, "%s: addr: %#x  len: %#x\n",
   1779 			    DEVNAME(sc), sgl->sg32[i].addr, sgl->sg32[i].len);
   1780 			hdr->mfh_flags |= MFI_FRAME_SGL32;
   1781 		}
   1782 	}
   1783 
   1784 	if (ccb->ccb_direction == MFI_DATA_IN) {
   1785 		hdr->mfh_flags |= MFI_FRAME_DIR_READ;
   1786 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   1787 		    ccb->ccb_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   1788 	} else {
   1789 		hdr->mfh_flags |= MFI_FRAME_DIR_WRITE;
   1790 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   1791 		    ccb->ccb_dmamap->dm_mapsize, BUS_DMASYNC_PREWRITE);
   1792 	}
   1793 
   1794 	hdr->mfh_sg_count = ccb->ccb_dmamap->dm_nsegs;
   1795 	ccb->ccb_frame_size += sc->sc_sgl_size * ccb->ccb_dmamap->dm_nsegs;
   1796 	ccb->ccb_extra_frames = (ccb->ccb_frame_size - 1) / MFI_FRAME_SIZE;
   1797 
   1798 	DNPRINTF(MFI_D_DMA, "%s: sg_count: %d  frame_size: %d  frames_size: %d"
   1799 	    "  dm_nsegs: %d  extra_frames: %d\n",
   1800 	    DEVNAME(sc),
   1801 	    hdr->mfh_sg_count,
   1802 	    ccb->ccb_frame_size,
   1803 	    sc->sc_frames_size,
   1804 	    ccb->ccb_dmamap->dm_nsegs,
   1805 	    ccb->ccb_extra_frames);
   1806 
   1807 	return 0;
   1808 }
   1809 
   1810 static int
   1811 mfi_mgmt_internal(struct mfi_softc *sc, uint32_t opc, uint32_t dir,
   1812     uint32_t len, void *buf, uint8_t *mbox, bool poll)
   1813 {
   1814 	struct mfi_ccb		*ccb;
   1815 	int			rv = 1;
   1816 
   1817 	if ((ccb = mfi_get_ccb(sc)) == NULL)
   1818 		return rv;
   1819 	rv = mfi_mgmt(ccb, NULL, opc, dir, len, buf, mbox);
   1820 	if (rv)
   1821 		return rv;
   1822 
   1823 	if (poll) {
   1824 		rv = 1;
   1825 		if (mfi_poll(ccb))
   1826 			goto done;
   1827 	} else {
   1828 		mfi_post(sc, ccb);
   1829 
   1830 		DNPRINTF(MFI_D_MISC, "%s: mfi_mgmt_internal sleeping\n",
   1831 		    DEVNAME(sc));
   1832 		while (ccb->ccb_state != MFI_CCB_DONE)
   1833 			tsleep(ccb, PRIBIO, "mfi_mgmt", 0);
   1834 
   1835 		if (ccb->ccb_flags & MFI_CCB_F_ERR)
   1836 			goto done;
   1837 	}
   1838 	rv = 0;
   1839 
   1840 done:
   1841 	mfi_put_ccb(ccb);
   1842 	return rv;
   1843 }
   1844 
   1845 static int
   1846 mfi_mgmt(struct mfi_ccb *ccb, struct scsipi_xfer *xs,
   1847     uint32_t opc, uint32_t dir, uint32_t len, void *buf, uint8_t *mbox)
   1848 {
   1849 	struct mfi_dcmd_frame	*dcmd;
   1850 
   1851 	DNPRINTF(MFI_D_MISC, "%s: mfi_mgmt %#x\n", DEVNAME(ccb->ccb_sc), opc);
   1852 
   1853 	dcmd = &ccb->ccb_frame->mfr_dcmd;
   1854 	memset(dcmd->mdf_mbox, 0, MFI_MBOX_SIZE);
   1855 	dcmd->mdf_header.mfh_cmd = MFI_CMD_DCMD;
   1856 	dcmd->mdf_header.mfh_timeout = 0;
   1857 
   1858 	dcmd->mdf_opcode = opc;
   1859 	dcmd->mdf_header.mfh_data_len = 0;
   1860 	ccb->ccb_direction = dir;
   1861 	ccb->ccb_xs = xs;
   1862 	ccb->ccb_done = mfi_mgmt_done;
   1863 
   1864 	ccb->ccb_frame_size = MFI_DCMD_FRAME_SIZE;
   1865 
   1866 	/* handle special opcodes */
   1867 	if (mbox)
   1868 		memcpy(dcmd->mdf_mbox, mbox, MFI_MBOX_SIZE);
   1869 
   1870 	if (dir != MFI_DATA_NONE) {
   1871 		dcmd->mdf_header.mfh_data_len = len;
   1872 		ccb->ccb_data = buf;
   1873 		ccb->ccb_len = len;
   1874 		ccb->ccb_sgl = &dcmd->mdf_sgl;
   1875 
   1876 		if (mfi_create_sgl(ccb, BUS_DMA_WAITOK))
   1877 			return 1;
   1878 	}
   1879 	return 0;
   1880 }
   1881 
   1882 static void
   1883 mfi_mgmt_done(struct mfi_ccb *ccb)
   1884 {
   1885 	struct scsipi_xfer	*xs = ccb->ccb_xs;
   1886 	struct mfi_softc	*sc = ccb->ccb_sc;
   1887 	struct mfi_frame_header	*hdr = &ccb->ccb_frame->mfr_header;
   1888 
   1889 	DNPRINTF(MFI_D_INTR, "%s: mfi_mgmt_done %#lx %#lx\n",
   1890 	    DEVNAME(sc), (u_long)ccb, (u_long)ccb->ccb_frame);
   1891 
   1892 	if (ccb->ccb_data != NULL) {
   1893 		DNPRINTF(MFI_D_INTR, "%s: mfi_mgmt_done sync\n",
   1894 		    DEVNAME(sc));
   1895 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   1896 		    ccb->ccb_dmamap->dm_mapsize,
   1897 		    (ccb->ccb_direction & MFI_DATA_IN) ?
   1898 		    BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
   1899 
   1900 		bus_dmamap_unload(sc->sc_datadmat, ccb->ccb_dmamap);
   1901 	}
   1902 
   1903 	if (hdr->mfh_cmd_status != MFI_STAT_OK)
   1904 		ccb->ccb_flags |= MFI_CCB_F_ERR;
   1905 
   1906 	ccb->ccb_state = MFI_CCB_DONE;
   1907 	if (xs) {
   1908 		if (hdr->mfh_cmd_status != MFI_STAT_OK) {
   1909 			xs->error = XS_DRIVER_STUFFUP;
   1910 		} else {
   1911 			xs->error = XS_NOERROR;
   1912 			xs->status = SCSI_OK;
   1913 			xs->resid = 0;
   1914 		}
   1915 		mfi_put_ccb(ccb);
   1916 		scsipi_done(xs);
   1917 	} else
   1918 		wakeup(ccb);
   1919 }
   1920 
   1921 #if NBIO > 0
   1922 int
   1923 mfi_ioctl(device_t dev, u_long cmd, void *addr)
   1924 {
   1925 	struct mfi_softc *sc = device_private(dev);
   1926 	int error = 0;
   1927 	int s;
   1928 
   1929 	KERNEL_LOCK(1, curlwp);
   1930 	s = splbio();
   1931 
   1932 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl ", DEVNAME(sc));
   1933 
   1934 	switch (cmd) {
   1935 	case BIOCINQ:
   1936 		DNPRINTF(MFI_D_IOCTL, "inq\n");
   1937 		error = mfi_ioctl_inq(sc, (struct bioc_inq *)addr);
   1938 		break;
   1939 
   1940 	case BIOCVOL:
   1941 		DNPRINTF(MFI_D_IOCTL, "vol\n");
   1942 		error = mfi_ioctl_vol(sc, (struct bioc_vol *)addr);
   1943 		break;
   1944 
   1945 	case BIOCDISK:
   1946 		DNPRINTF(MFI_D_IOCTL, "disk\n");
   1947 		error = mfi_ioctl_disk(sc, (struct bioc_disk *)addr);
   1948 		break;
   1949 
   1950 	case BIOCALARM:
   1951 		DNPRINTF(MFI_D_IOCTL, "alarm\n");
   1952 		error = mfi_ioctl_alarm(sc, (struct bioc_alarm *)addr);
   1953 		break;
   1954 
   1955 	case BIOCBLINK:
   1956 		DNPRINTF(MFI_D_IOCTL, "blink\n");
   1957 		error = mfi_ioctl_blink(sc, (struct bioc_blink *)addr);
   1958 		break;
   1959 
   1960 	case BIOCSETSTATE:
   1961 		DNPRINTF(MFI_D_IOCTL, "setstate\n");
   1962 		error = mfi_ioctl_setstate(sc, (struct bioc_setstate *)addr);
   1963 		break;
   1964 
   1965 	default:
   1966 		DNPRINTF(MFI_D_IOCTL, " invalid ioctl\n");
   1967 		error = EINVAL;
   1968 	}
   1969 	splx(s);
   1970 	KERNEL_UNLOCK_ONE(curlwp);
   1971 
   1972 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl return %x\n", DEVNAME(sc), error);
   1973 	return error;
   1974 }
   1975 
   1976 static int
   1977 mfi_ioctl_inq(struct mfi_softc *sc, struct bioc_inq *bi)
   1978 {
   1979 	struct mfi_conf		*cfg;
   1980 	int			rv = EINVAL;
   1981 
   1982 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_inq\n", DEVNAME(sc));
   1983 
   1984 	if (mfi_get_info(sc)) {
   1985 		DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_inq failed\n",
   1986 		    DEVNAME(sc));
   1987 		return EIO;
   1988 	}
   1989 
   1990 	/* get figures */
   1991 	cfg = malloc(sizeof *cfg, M_DEVBUF, M_WAITOK);
   1992 	if (mfi_mgmt_internal(sc, MD_DCMD_CONF_GET, MFI_DATA_IN,
   1993 	    sizeof *cfg, cfg, NULL, false))
   1994 		goto freeme;
   1995 
   1996 	strlcpy(bi->bi_dev, DEVNAME(sc), sizeof(bi->bi_dev));
   1997 	bi->bi_novol = cfg->mfc_no_ld + cfg->mfc_no_hs;
   1998 	bi->bi_nodisk = sc->sc_info.mci_pd_disks_present;
   1999 
   2000 	rv = 0;
   2001 freeme:
   2002 	free(cfg, M_DEVBUF);
   2003 	return rv;
   2004 }
   2005 
   2006 static int
   2007 mfi_ioctl_vol(struct mfi_softc *sc, struct bioc_vol *bv)
   2008 {
   2009 	int			i, per, rv = EINVAL;
   2010 	uint8_t			mbox[MFI_MBOX_SIZE];
   2011 
   2012 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_vol %#x\n",
   2013 	    DEVNAME(sc), bv->bv_volid);
   2014 
   2015 	if (mfi_mgmt_internal(sc, MR_DCMD_LD_GET_LIST, MFI_DATA_IN,
   2016 	    sizeof(sc->sc_ld_list), &sc->sc_ld_list, NULL, false))
   2017 		goto done;
   2018 
   2019 	i = bv->bv_volid;
   2020 	mbox[0] = sc->sc_ld_list.mll_list[i].mll_ld.mld_target;
   2021 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_vol target %#x\n",
   2022 	    DEVNAME(sc), mbox[0]);
   2023 
   2024 	if (mfi_mgmt_internal(sc, MR_DCMD_LD_GET_INFO, MFI_DATA_IN,
   2025 	    sizeof(sc->sc_ld_details), &sc->sc_ld_details, mbox, false))
   2026 		goto done;
   2027 
   2028 	if (bv->bv_volid >= sc->sc_ld_list.mll_no_ld) {
   2029 		/* go do hotspares */
   2030 		rv = mfi_bio_hs(sc, bv->bv_volid, MFI_MGMT_VD, bv);
   2031 		goto done;
   2032 	}
   2033 
   2034 	strlcpy(bv->bv_dev, sc->sc_ld[i].ld_dev, sizeof(bv->bv_dev));
   2035 
   2036 	switch(sc->sc_ld_list.mll_list[i].mll_state) {
   2037 	case MFI_LD_OFFLINE:
   2038 		bv->bv_status = BIOC_SVOFFLINE;
   2039 		break;
   2040 
   2041 	case MFI_LD_PART_DEGRADED:
   2042 	case MFI_LD_DEGRADED:
   2043 		bv->bv_status = BIOC_SVDEGRADED;
   2044 		break;
   2045 
   2046 	case MFI_LD_ONLINE:
   2047 		bv->bv_status = BIOC_SVONLINE;
   2048 		break;
   2049 
   2050 	default:
   2051 		bv->bv_status = BIOC_SVINVALID;
   2052 		DNPRINTF(MFI_D_IOCTL, "%s: invalid logical disk state %#x\n",
   2053 		    DEVNAME(sc),
   2054 		    sc->sc_ld_list.mll_list[i].mll_state);
   2055 	}
   2056 
   2057 	/* additional status can modify MFI status */
   2058 	switch (sc->sc_ld_details.mld_progress.mlp_in_prog) {
   2059 	case MFI_LD_PROG_CC:
   2060 	case MFI_LD_PROG_BGI:
   2061 		bv->bv_status = BIOC_SVSCRUB;
   2062 		per = (int)sc->sc_ld_details.mld_progress.mlp_cc.mp_progress;
   2063 		bv->bv_percent = (per * 100) / 0xffff;
   2064 		bv->bv_seconds =
   2065 		    sc->sc_ld_details.mld_progress.mlp_cc.mp_elapsed_seconds;
   2066 		break;
   2067 
   2068 	case MFI_LD_PROG_FGI:
   2069 	case MFI_LD_PROG_RECONSTRUCT:
   2070 		/* nothing yet */
   2071 		break;
   2072 	}
   2073 
   2074 	/*
   2075 	 * The RAID levels are determined per the SNIA DDF spec, this is only
   2076 	 * a subset that is valid for the MFI contrller.
   2077 	 */
   2078 	bv->bv_level = sc->sc_ld_details.mld_cfg.mlc_parm.mpa_pri_raid;
   2079 	if (sc->sc_ld_details.mld_cfg.mlc_parm.mpa_sec_raid ==
   2080 	    MFI_DDF_SRL_SPANNED)
   2081 		bv->bv_level *= 10;
   2082 
   2083 	bv->bv_nodisk = sc->sc_ld_details.mld_cfg.mlc_parm.mpa_no_drv_per_span *
   2084 	    sc->sc_ld_details.mld_cfg.mlc_parm.mpa_span_depth;
   2085 
   2086 	bv->bv_size = sc->sc_ld_details.mld_size * 512; /* bytes per block */
   2087 
   2088 	rv = 0;
   2089 done:
   2090 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_vol done %x\n",
   2091 	    DEVNAME(sc), rv);
   2092 	return rv;
   2093 }
   2094 
   2095 static int
   2096 mfi_ioctl_disk(struct mfi_softc *sc, struct bioc_disk *bd)
   2097 {
   2098 	struct mfi_conf		*cfg;
   2099 	struct mfi_array	*ar;
   2100 	struct mfi_ld_cfg	*ld;
   2101 	struct mfi_pd_details	*pd;
   2102 	struct scsipi_inquiry_data *inqbuf;
   2103 	char			vend[8+16+4+1];
   2104 	int			i, rv = EINVAL;
   2105 	int			arr, vol, disk;
   2106 	uint32_t		size;
   2107 	uint8_t			mbox[MFI_MBOX_SIZE];
   2108 
   2109 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_disk %#x\n",
   2110 	    DEVNAME(sc), bd->bd_diskid);
   2111 
   2112 	pd = malloc(sizeof *pd, M_DEVBUF, M_WAITOK | M_ZERO);
   2113 
   2114 	/* send single element command to retrieve size for full structure */
   2115 	cfg = malloc(sizeof *cfg, M_DEVBUF, M_WAITOK);
   2116 	if (mfi_mgmt_internal(sc, MD_DCMD_CONF_GET, MFI_DATA_IN,
   2117 	    sizeof *cfg, cfg, NULL, false))
   2118 		goto freeme;
   2119 
   2120 	size = cfg->mfc_size;
   2121 	free(cfg, M_DEVBUF);
   2122 
   2123 	/* memory for read config */
   2124 	cfg = malloc(size, M_DEVBUF, M_WAITOK|M_ZERO);
   2125 	if (mfi_mgmt_internal(sc, MD_DCMD_CONF_GET, MFI_DATA_IN,
   2126 	    size, cfg, NULL, false))
   2127 		goto freeme;
   2128 
   2129 	ar = cfg->mfc_array;
   2130 
   2131 	/* calculate offset to ld structure */
   2132 	ld = (struct mfi_ld_cfg *)(
   2133 	    ((uint8_t *)cfg) + offsetof(struct mfi_conf, mfc_array) +
   2134 	    cfg->mfc_array_size * cfg->mfc_no_array);
   2135 
   2136 	vol = bd->bd_volid;
   2137 
   2138 	if (vol >= cfg->mfc_no_ld) {
   2139 		/* do hotspares */
   2140 		rv = mfi_bio_hs(sc, bd->bd_volid, MFI_MGMT_SD, bd);
   2141 		goto freeme;
   2142 	}
   2143 
   2144 	/* find corresponding array for ld */
   2145 	for (i = 0, arr = 0; i < vol; i++)
   2146 		arr += ld[i].mlc_parm.mpa_span_depth;
   2147 
   2148 	/* offset disk into pd list */
   2149 	disk = bd->bd_diskid % ld[vol].mlc_parm.mpa_no_drv_per_span;
   2150 
   2151 	/* offset array index into the next spans */
   2152 	arr += bd->bd_diskid / ld[vol].mlc_parm.mpa_no_drv_per_span;
   2153 
   2154 	bd->bd_target = ar[arr].pd[disk].mar_enc_slot;
   2155 	switch (ar[arr].pd[disk].mar_pd_state){
   2156 	case MFI_PD_UNCONFIG_GOOD:
   2157 		bd->bd_status = BIOC_SDUNUSED;
   2158 		break;
   2159 
   2160 	case MFI_PD_HOTSPARE: /* XXX dedicated hotspare part of array? */
   2161 		bd->bd_status = BIOC_SDHOTSPARE;
   2162 		break;
   2163 
   2164 	case MFI_PD_OFFLINE:
   2165 		bd->bd_status = BIOC_SDOFFLINE;
   2166 		break;
   2167 
   2168 	case MFI_PD_FAILED:
   2169 		bd->bd_status = BIOC_SDFAILED;
   2170 		break;
   2171 
   2172 	case MFI_PD_REBUILD:
   2173 		bd->bd_status = BIOC_SDREBUILD;
   2174 		break;
   2175 
   2176 	case MFI_PD_ONLINE:
   2177 		bd->bd_status = BIOC_SDONLINE;
   2178 		break;
   2179 
   2180 	case MFI_PD_UNCONFIG_BAD: /* XXX define new state in bio */
   2181 	default:
   2182 		bd->bd_status = BIOC_SDINVALID;
   2183 		break;
   2184 
   2185 	}
   2186 
   2187 	/* get the remaining fields */
   2188 	*((uint16_t *)&mbox) = ar[arr].pd[disk].mar_pd.mfp_id;
   2189 	memset(pd, 0, sizeof(*pd));
   2190 	if (mfi_mgmt_internal(sc, MR_DCMD_PD_GET_INFO, MFI_DATA_IN,
   2191 	    sizeof *pd, pd, mbox, false))
   2192 		goto freeme;
   2193 
   2194 	bd->bd_size = pd->mpd_size * 512; /* bytes per block */
   2195 
   2196 	/* if pd->mpd_enc_idx is 0 then it is not in an enclosure */
   2197 	bd->bd_channel = pd->mpd_enc_idx;
   2198 
   2199 	inqbuf = (struct scsipi_inquiry_data *)&pd->mpd_inq_data;
   2200 	memcpy(vend, inqbuf->vendor, sizeof vend - 1);
   2201 	vend[sizeof vend - 1] = '\0';
   2202 	strlcpy(bd->bd_vendor, vend, sizeof(bd->bd_vendor));
   2203 
   2204 	/* XXX find a way to retrieve serial nr from drive */
   2205 	/* XXX find a way to get bd_procdev */
   2206 
   2207 	rv = 0;
   2208 freeme:
   2209 	free(pd, M_DEVBUF);
   2210 	free(cfg, M_DEVBUF);
   2211 
   2212 	return rv;
   2213 }
   2214 
   2215 static int
   2216 mfi_ioctl_alarm(struct mfi_softc *sc, struct bioc_alarm *ba)
   2217 {
   2218 	uint32_t		opc, dir = MFI_DATA_NONE;
   2219 	int			rv = 0;
   2220 	int8_t			ret;
   2221 
   2222 	switch(ba->ba_opcode) {
   2223 	case BIOC_SADISABLE:
   2224 		opc = MR_DCMD_SPEAKER_DISABLE;
   2225 		break;
   2226 
   2227 	case BIOC_SAENABLE:
   2228 		opc = MR_DCMD_SPEAKER_ENABLE;
   2229 		break;
   2230 
   2231 	case BIOC_SASILENCE:
   2232 		opc = MR_DCMD_SPEAKER_SILENCE;
   2233 		break;
   2234 
   2235 	case BIOC_GASTATUS:
   2236 		opc = MR_DCMD_SPEAKER_GET;
   2237 		dir = MFI_DATA_IN;
   2238 		break;
   2239 
   2240 	case BIOC_SATEST:
   2241 		opc = MR_DCMD_SPEAKER_TEST;
   2242 		break;
   2243 
   2244 	default:
   2245 		DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_alarm biocalarm invalid "
   2246 		    "opcode %x\n", DEVNAME(sc), ba->ba_opcode);
   2247 		return EINVAL;
   2248 	}
   2249 
   2250 	if (mfi_mgmt_internal(sc, opc, dir, sizeof(ret), &ret, NULL, false))
   2251 		rv = EINVAL;
   2252 	else
   2253 		if (ba->ba_opcode == BIOC_GASTATUS)
   2254 			ba->ba_status = ret;
   2255 		else
   2256 			ba->ba_status = 0;
   2257 
   2258 	return rv;
   2259 }
   2260 
   2261 static int
   2262 mfi_ioctl_blink(struct mfi_softc *sc, struct bioc_blink *bb)
   2263 {
   2264 	int			i, found, rv = EINVAL;
   2265 	uint8_t			mbox[MFI_MBOX_SIZE];
   2266 	uint32_t		cmd;
   2267 	struct mfi_pd_list	*pd;
   2268 
   2269 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_blink %x\n", DEVNAME(sc),
   2270 	    bb->bb_status);
   2271 
   2272 	/* channel 0 means not in an enclosure so can't be blinked */
   2273 	if (bb->bb_channel == 0)
   2274 		return EINVAL;
   2275 
   2276 	pd = malloc(MFI_PD_LIST_SIZE, M_DEVBUF, M_WAITOK);
   2277 
   2278 	if (mfi_mgmt_internal(sc, MR_DCMD_PD_GET_LIST, MFI_DATA_IN,
   2279 	    MFI_PD_LIST_SIZE, pd, NULL, false))
   2280 		goto done;
   2281 
   2282 	for (i = 0, found = 0; i < pd->mpl_no_pd; i++)
   2283 		if (bb->bb_channel == pd->mpl_address[i].mpa_enc_index &&
   2284 		    bb->bb_target == pd->mpl_address[i].mpa_enc_slot) {
   2285 		    	found = 1;
   2286 			break;
   2287 		}
   2288 
   2289 	if (!found)
   2290 		goto done;
   2291 
   2292 	memset(mbox, 0, sizeof mbox);
   2293 
   2294 	*((uint16_t *)&mbox) = pd->mpl_address[i].mpa_pd_id;
   2295 
   2296 	switch (bb->bb_status) {
   2297 	case BIOC_SBUNBLINK:
   2298 		cmd = MR_DCMD_PD_UNBLINK;
   2299 		break;
   2300 
   2301 	case BIOC_SBBLINK:
   2302 		cmd = MR_DCMD_PD_BLINK;
   2303 		break;
   2304 
   2305 	case BIOC_SBALARM:
   2306 	default:
   2307 		DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_blink biocblink invalid "
   2308 		    "opcode %x\n", DEVNAME(sc), bb->bb_status);
   2309 		goto done;
   2310 	}
   2311 
   2312 
   2313 	if (mfi_mgmt_internal(sc, cmd, MFI_DATA_NONE, 0, NULL, mbox, false))
   2314 		goto done;
   2315 
   2316 	rv = 0;
   2317 done:
   2318 	free(pd, M_DEVBUF);
   2319 	return rv;
   2320 }
   2321 
   2322 static int
   2323 mfi_ioctl_setstate(struct mfi_softc *sc, struct bioc_setstate *bs)
   2324 {
   2325 	struct mfi_pd_list	*pd;
   2326 	int			i, found, rv = EINVAL;
   2327 	uint8_t			mbox[MFI_MBOX_SIZE];
   2328 	uint32_t		cmd;
   2329 
   2330 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_setstate %x\n", DEVNAME(sc),
   2331 	    bs->bs_status);
   2332 
   2333 	pd = malloc(MFI_PD_LIST_SIZE, M_DEVBUF, M_WAITOK);
   2334 
   2335 	if (mfi_mgmt_internal(sc, MR_DCMD_PD_GET_LIST, MFI_DATA_IN,
   2336 	    MFI_PD_LIST_SIZE, pd, NULL, false))
   2337 		goto done;
   2338 
   2339 	for (i = 0, found = 0; i < pd->mpl_no_pd; i++)
   2340 		if (bs->bs_channel == pd->mpl_address[i].mpa_enc_index &&
   2341 		    bs->bs_target == pd->mpl_address[i].mpa_enc_slot) {
   2342 		    	found = 1;
   2343 			break;
   2344 		}
   2345 
   2346 	if (!found)
   2347 		goto done;
   2348 
   2349 	memset(mbox, 0, sizeof mbox);
   2350 
   2351 	*((uint16_t *)&mbox) = pd->mpl_address[i].mpa_pd_id;
   2352 
   2353 	switch (bs->bs_status) {
   2354 	case BIOC_SSONLINE:
   2355 		mbox[2] = MFI_PD_ONLINE;
   2356 		cmd = MD_DCMD_PD_SET_STATE;
   2357 		break;
   2358 
   2359 	case BIOC_SSOFFLINE:
   2360 		mbox[2] = MFI_PD_OFFLINE;
   2361 		cmd = MD_DCMD_PD_SET_STATE;
   2362 		break;
   2363 
   2364 	case BIOC_SSHOTSPARE:
   2365 		mbox[2] = MFI_PD_HOTSPARE;
   2366 		cmd = MD_DCMD_PD_SET_STATE;
   2367 		break;
   2368 /*
   2369 	case BIOC_SSREBUILD:
   2370 		cmd = MD_DCMD_PD_REBUILD;
   2371 		break;
   2372 */
   2373 	default:
   2374 		DNPRINTF(MFI_D_IOCTL, "%s: mfi_ioctl_setstate invalid "
   2375 		    "opcode %x\n", DEVNAME(sc), bs->bs_status);
   2376 		goto done;
   2377 	}
   2378 
   2379 
   2380 	if (mfi_mgmt_internal(sc, MD_DCMD_PD_SET_STATE, MFI_DATA_NONE,
   2381 	    0, NULL, mbox, false))
   2382 		goto done;
   2383 
   2384 	rv = 0;
   2385 done:
   2386 	free(pd, M_DEVBUF);
   2387 	return rv;
   2388 }
   2389 
   2390 static int
   2391 mfi_bio_hs(struct mfi_softc *sc, int volid, int type, void *bio_hs)
   2392 {
   2393 	struct mfi_conf		*cfg;
   2394 	struct mfi_hotspare	*hs;
   2395 	struct mfi_pd_details	*pd;
   2396 	struct bioc_disk	*sdhs;
   2397 	struct bioc_vol		*vdhs;
   2398 	struct scsipi_inquiry_data *inqbuf;
   2399 	char			vend[8+16+4+1];
   2400 	int			i, rv = EINVAL;
   2401 	uint32_t		size;
   2402 	uint8_t			mbox[MFI_MBOX_SIZE];
   2403 
   2404 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_vol_hs %d\n", DEVNAME(sc), volid);
   2405 
   2406 	if (!bio_hs)
   2407 		return EINVAL;
   2408 
   2409 	pd = malloc(sizeof *pd, M_DEVBUF, M_WAITOK | M_ZERO);
   2410 
   2411 	/* send single element command to retrieve size for full structure */
   2412 	cfg = malloc(sizeof *cfg, M_DEVBUF, M_WAITOK);
   2413 	if (mfi_mgmt_internal(sc, MD_DCMD_CONF_GET, MFI_DATA_IN,
   2414 	    sizeof *cfg, cfg, NULL, false))
   2415 		goto freeme;
   2416 
   2417 	size = cfg->mfc_size;
   2418 	free(cfg, M_DEVBUF);
   2419 
   2420 	/* memory for read config */
   2421 	cfg = malloc(size, M_DEVBUF, M_WAITOK|M_ZERO);
   2422 	if (mfi_mgmt_internal(sc, MD_DCMD_CONF_GET, MFI_DATA_IN,
   2423 	    size, cfg, NULL, false))
   2424 		goto freeme;
   2425 
   2426 	/* calculate offset to hs structure */
   2427 	hs = (struct mfi_hotspare *)(
   2428 	    ((uint8_t *)cfg) + offsetof(struct mfi_conf, mfc_array) +
   2429 	    cfg->mfc_array_size * cfg->mfc_no_array +
   2430 	    cfg->mfc_ld_size * cfg->mfc_no_ld);
   2431 
   2432 	if (volid < cfg->mfc_no_ld)
   2433 		goto freeme; /* not a hotspare */
   2434 
   2435 	if (volid > (cfg->mfc_no_ld + cfg->mfc_no_hs))
   2436 		goto freeme; /* not a hotspare */
   2437 
   2438 	/* offset into hotspare structure */
   2439 	i = volid - cfg->mfc_no_ld;
   2440 
   2441 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_vol_hs i %d volid %d no_ld %d no_hs %d "
   2442 	    "hs %p cfg %p id %02x\n", DEVNAME(sc), i, volid, cfg->mfc_no_ld,
   2443 	    cfg->mfc_no_hs, hs, cfg, hs[i].mhs_pd.mfp_id);
   2444 
   2445 	/* get pd fields */
   2446 	memset(mbox, 0, sizeof mbox);
   2447 	*((uint16_t *)&mbox) = hs[i].mhs_pd.mfp_id;
   2448 	if (mfi_mgmt_internal(sc, MR_DCMD_PD_GET_INFO, MFI_DATA_IN,
   2449 	    sizeof *pd, pd, mbox, false)) {
   2450 		DNPRINTF(MFI_D_IOCTL, "%s: mfi_vol_hs illegal PD\n",
   2451 		    DEVNAME(sc));
   2452 		goto freeme;
   2453 	}
   2454 
   2455 	switch (type) {
   2456 	case MFI_MGMT_VD:
   2457 		vdhs = bio_hs;
   2458 		vdhs->bv_status = BIOC_SVONLINE;
   2459 		vdhs->bv_size = pd->mpd_size * 512; /* bytes per block */
   2460 		vdhs->bv_level = -1; /* hotspare */
   2461 		vdhs->bv_nodisk = 1;
   2462 		break;
   2463 
   2464 	case MFI_MGMT_SD:
   2465 		sdhs = bio_hs;
   2466 		sdhs->bd_status = BIOC_SDHOTSPARE;
   2467 		sdhs->bd_size = pd->mpd_size * 512; /* bytes per block */
   2468 		sdhs->bd_channel = pd->mpd_enc_idx;
   2469 		sdhs->bd_target = pd->mpd_enc_slot;
   2470 		inqbuf = (struct scsipi_inquiry_data *)&pd->mpd_inq_data;
   2471 		memcpy(vend, inqbuf->vendor, sizeof(vend) - 1);
   2472 		vend[sizeof vend - 1] = '\0';
   2473 		strlcpy(sdhs->bd_vendor, vend, sizeof(sdhs->bd_vendor));
   2474 		break;
   2475 
   2476 	default:
   2477 		goto freeme;
   2478 	}
   2479 
   2480 	DNPRINTF(MFI_D_IOCTL, "%s: mfi_vol_hs 6\n", DEVNAME(sc));
   2481 	rv = 0;
   2482 freeme:
   2483 	free(pd, M_DEVBUF);
   2484 	free(cfg, M_DEVBUF);
   2485 
   2486 	return rv;
   2487 }
   2488 
   2489 static int
   2490 mfi_destroy_sensors(struct mfi_softc *sc)
   2491 {
   2492 	if (sc->sc_sme == NULL)
   2493 		return 0;
   2494 	sysmon_envsys_unregister(sc->sc_sme);
   2495 	sc->sc_sme = NULL;
   2496 	free(sc->sc_sensor, M_DEVBUF);
   2497 	return 0;
   2498 }
   2499 
   2500 static int
   2501 mfi_create_sensors(struct mfi_softc *sc)
   2502 {
   2503 	int i;
   2504 	int nsensors = sc->sc_ld_cnt + 1;
   2505 	int rv;
   2506 
   2507 	sc->sc_sme = sysmon_envsys_create();
   2508 	sc->sc_sensor = malloc(sizeof(envsys_data_t) * nsensors,
   2509 	    M_DEVBUF, M_NOWAIT | M_ZERO);
   2510 	if (sc->sc_sensor == NULL) {
   2511 		aprint_error_dev(sc->sc_dev, "can't allocate envsys_data_t\n");
   2512 		return ENOMEM;
   2513 	}
   2514 
   2515 	/* BBU */
   2516 	sc->sc_sensor[0].units = ENVSYS_INDICATOR;
   2517 	sc->sc_sensor[0].state = ENVSYS_SINVALID;
   2518 	sc->sc_sensor[0].value_cur = 0;
   2519 	/* Enable monitoring for BBU state changes, if present */
   2520 	if (sc->sc_info.mci_hw_present & MFI_INFO_HW_BBU)
   2521 		sc->sc_sensor[0].flags |= ENVSYS_FMONCRITICAL;
   2522 	snprintf(sc->sc_sensor[0].desc,
   2523 	    sizeof(sc->sc_sensor[0].desc), "%s BBU", DEVNAME(sc));
   2524 	if (sysmon_envsys_sensor_attach(sc->sc_sme, &sc->sc_sensor[0]))
   2525 		goto out;
   2526 
   2527 	for (i = 1; i < nsensors; i++) {
   2528 		sc->sc_sensor[i].units = ENVSYS_DRIVE;
   2529 		sc->sc_sensor[i].state = ENVSYS_SINVALID;
   2530 		sc->sc_sensor[i].value_cur = ENVSYS_DRIVE_EMPTY;
   2531 		/* Enable monitoring for drive state changes */
   2532 		sc->sc_sensor[i].flags |= ENVSYS_FMONSTCHANGED;
   2533 		/* logical drives */
   2534 		snprintf(sc->sc_sensor[i].desc,
   2535 		    sizeof(sc->sc_sensor[i].desc), "%s:%d",
   2536 		    DEVNAME(sc), i - 1);
   2537 		if (sysmon_envsys_sensor_attach(sc->sc_sme,
   2538 						&sc->sc_sensor[i]))
   2539 			goto out;
   2540 	}
   2541 
   2542 	sc->sc_sme->sme_name = DEVNAME(sc);
   2543 	sc->sc_sme->sme_cookie = sc;
   2544 	sc->sc_sme->sme_refresh = mfi_sensor_refresh;
   2545 	rv = sysmon_envsys_register(sc->sc_sme);
   2546 	if (rv != 0) {
   2547 		aprint_error_dev(sc->sc_dev,
   2548 		    "unable to register with sysmon (rv = %d)\n", rv);
   2549 		goto out;
   2550 	}
   2551 	return 0;
   2552 
   2553 out:
   2554 	free(sc->sc_sensor, M_DEVBUF);
   2555 	sysmon_envsys_destroy(sc->sc_sme);
   2556 	sc->sc_sme = NULL;
   2557 	return EINVAL;
   2558 }
   2559 
   2560 static void
   2561 mfi_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata)
   2562 {
   2563 	struct mfi_softc	*sc = sme->sme_cookie;
   2564 	struct bioc_vol		bv;
   2565 	int s;
   2566 	int error;
   2567 
   2568 	if (edata->sensor >= sc->sc_ld_cnt + 1)
   2569 		return;
   2570 
   2571 	if (edata->sensor == 0) {
   2572 		/* BBU */
   2573 		struct mfi_bbu_status	bbu_stat;
   2574 		int bbu_status;
   2575 		if ((sc->sc_info.mci_hw_present & MFI_INFO_HW_BBU) == 0)
   2576 			return;
   2577 
   2578 		KERNEL_LOCK(1, curlwp);
   2579 		s = splbio();
   2580 		bbu_status = mfi_get_bbu(sc, &bbu_stat);
   2581 		splx(s);
   2582 		KERNEL_UNLOCK_ONE(curlwp);
   2583 		switch(bbu_status) {
   2584 		case MFI_BBU_GOOD:
   2585 			edata->value_cur = 1;
   2586 			edata->state = ENVSYS_SVALID;
   2587 			if (!sc->sc_bbuok)
   2588 				aprint_normal_dev(sc->sc_dev,
   2589 				    "BBU state changed to good\n");
   2590 			sc->sc_bbuok = true;
   2591 			break;
   2592 		case MFI_BBU_BAD:
   2593 			edata->value_cur = 0;
   2594 			edata->state = ENVSYS_SCRITICAL;
   2595 			if (sc->sc_bbuok)
   2596 				aprint_normal_dev(sc->sc_dev,
   2597 				    "BBU state changed to bad\n");
   2598 			sc->sc_bbuok = false;
   2599 			break;
   2600 		case MFI_BBU_UNKNOWN:
   2601 		default:
   2602 			edata->value_cur = 0;
   2603 			edata->state = ENVSYS_SINVALID;
   2604 			sc->sc_bbuok = false;
   2605 			break;
   2606 		}
   2607 		return;
   2608 	}
   2609 
   2610 	memset(&bv, 0, sizeof(bv));
   2611 	bv.bv_volid = edata->sensor - 1;
   2612 	KERNEL_LOCK(1, curlwp);
   2613 	s = splbio();
   2614 	error = mfi_ioctl_vol(sc, &bv);
   2615 	splx(s);
   2616 	KERNEL_UNLOCK_ONE(curlwp);
   2617 	if (error)
   2618 		return;
   2619 
   2620 	switch(bv.bv_status) {
   2621 	case BIOC_SVOFFLINE:
   2622 		edata->value_cur = ENVSYS_DRIVE_FAIL;
   2623 		edata->state = ENVSYS_SCRITICAL;
   2624 		break;
   2625 
   2626 	case BIOC_SVDEGRADED:
   2627 		edata->value_cur = ENVSYS_DRIVE_PFAIL;
   2628 		edata->state = ENVSYS_SCRITICAL;
   2629 		break;
   2630 
   2631 	case BIOC_SVSCRUB:
   2632 	case BIOC_SVONLINE:
   2633 		edata->value_cur = ENVSYS_DRIVE_ONLINE;
   2634 		edata->state = ENVSYS_SVALID;
   2635 		break;
   2636 
   2637 	case BIOC_SVINVALID:
   2638 		/* FALLTRHOUGH */
   2639 	default:
   2640 		edata->value_cur = 0; /* unknown */
   2641 		edata->state = ENVSYS_SINVALID;
   2642 	}
   2643 }
   2644 
   2645 #endif /* NBIO > 0 */
   2646 
   2647 static uint32_t
   2648 mfi_xscale_fw_state(struct mfi_softc *sc)
   2649 {
   2650 	return mfi_read(sc, MFI_OMSG0);
   2651 }
   2652 
   2653 static void
   2654 mfi_xscale_intr_dis(struct mfi_softc *sc)
   2655 {
   2656 	mfi_write(sc, MFI_OMSK, 0);
   2657 }
   2658 
   2659 static void
   2660 mfi_xscale_intr_ena(struct mfi_softc *sc)
   2661 {
   2662 	mfi_write(sc, MFI_OMSK, MFI_ENABLE_INTR);
   2663 }
   2664 
   2665 static int
   2666 mfi_xscale_intr(struct mfi_softc *sc)
   2667 {
   2668 	uint32_t status;
   2669 
   2670 	status = mfi_read(sc, MFI_OSTS);
   2671 	if (!ISSET(status, MFI_OSTS_INTR_VALID))
   2672 		return 0;
   2673 
   2674 	/* write status back to acknowledge interrupt */
   2675 	mfi_write(sc, MFI_OSTS, status);
   2676 	return 1;
   2677 }
   2678 
   2679 static void
   2680 mfi_xscale_post(struct mfi_softc *sc, struct mfi_ccb *ccb)
   2681 {
   2682 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_frames),
   2683 	    ccb->ccb_pframe - MFIMEM_DVA(sc->sc_frames),
   2684 	    sc->sc_frames_size, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   2685 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_sense),
   2686 	    ccb->ccb_psense - MFIMEM_DVA(sc->sc_sense),
   2687 	    MFI_SENSE_SIZE, BUS_DMASYNC_PREREAD);
   2688 
   2689 	mfi_write(sc, MFI_IQP, (ccb->ccb_pframe >> 3) |
   2690 	    ccb->ccb_extra_frames);
   2691 	ccb->ccb_state = MFI_CCB_RUNNING;
   2692 }
   2693 
   2694 static uint32_t
   2695 mfi_ppc_fw_state(struct mfi_softc *sc)
   2696 {
   2697 	return mfi_read(sc, MFI_OSP);
   2698 }
   2699 
   2700 static void
   2701 mfi_ppc_intr_dis(struct mfi_softc *sc)
   2702 {
   2703 	/* Taking a wild guess --dyoung */
   2704 	mfi_write(sc, MFI_OMSK, ~(uint32_t)0x0);
   2705 	mfi_write(sc, MFI_ODC, 0xffffffff);
   2706 }
   2707 
   2708 static void
   2709 mfi_ppc_intr_ena(struct mfi_softc *sc)
   2710 {
   2711 	mfi_write(sc, MFI_ODC, 0xffffffff);
   2712 	mfi_write(sc, MFI_OMSK, ~0x80000004);
   2713 }
   2714 
   2715 static int
   2716 mfi_ppc_intr(struct mfi_softc *sc)
   2717 {
   2718 	uint32_t status;
   2719 
   2720 	status = mfi_read(sc, MFI_OSTS);
   2721 	if (!ISSET(status, MFI_OSTS_PPC_INTR_VALID))
   2722 		return 0;
   2723 
   2724 	/* write status back to acknowledge interrupt */
   2725 	mfi_write(sc, MFI_ODC, status);
   2726 	return 1;
   2727 }
   2728 
   2729 static void
   2730 mfi_ppc_post(struct mfi_softc *sc, struct mfi_ccb *ccb)
   2731 {
   2732 	mfi_write(sc, MFI_IQP, 0x1 | ccb->ccb_pframe |
   2733 	    (ccb->ccb_extra_frames << 1));
   2734 	ccb->ccb_state = MFI_CCB_RUNNING;
   2735 }
   2736 
   2737 u_int32_t
   2738 mfi_gen2_fw_state(struct mfi_softc *sc)
   2739 {
   2740 	return (mfi_read(sc, MFI_OSP));
   2741 }
   2742 
   2743 void
   2744 mfi_gen2_intr_dis(struct mfi_softc *sc)
   2745 {
   2746 	mfi_write(sc, MFI_OMSK, 0xffffffff);
   2747 	mfi_write(sc, MFI_ODC, 0xffffffff);
   2748 }
   2749 
   2750 void
   2751 mfi_gen2_intr_ena(struct mfi_softc *sc)
   2752 {
   2753 	mfi_write(sc, MFI_ODC, 0xffffffff);
   2754 	mfi_write(sc, MFI_OMSK, ~MFI_OSTS_GEN2_INTR_VALID);
   2755 }
   2756 
   2757 int
   2758 mfi_gen2_intr(struct mfi_softc *sc)
   2759 {
   2760 	u_int32_t status;
   2761 
   2762 	status = mfi_read(sc, MFI_OSTS);
   2763 	if (!ISSET(status, MFI_OSTS_GEN2_INTR_VALID))
   2764 		return (0);
   2765 
   2766 	/* write status back to acknowledge interrupt */
   2767 	mfi_write(sc, MFI_ODC, status);
   2768 
   2769 	return (1);
   2770 }
   2771 
   2772 void
   2773 mfi_gen2_post(struct mfi_softc *sc, struct mfi_ccb *ccb)
   2774 {
   2775 	mfi_write(sc, MFI_IQP, 0x1 | ccb->ccb_pframe |
   2776 	    (ccb->ccb_extra_frames << 1));
   2777 	ccb->ccb_state = MFI_CCB_RUNNING;
   2778 }
   2779 
   2780 u_int32_t
   2781 mfi_skinny_fw_state(struct mfi_softc *sc)
   2782 {
   2783 	return (mfi_read(sc, MFI_OSP));
   2784 }
   2785 
   2786 void
   2787 mfi_skinny_intr_dis(struct mfi_softc *sc)
   2788 {
   2789 	mfi_write(sc, MFI_OMSK, 0);
   2790 }
   2791 
   2792 void
   2793 mfi_skinny_intr_ena(struct mfi_softc *sc)
   2794 {
   2795 	mfi_write(sc, MFI_OMSK, ~0x00000001);
   2796 }
   2797 
   2798 int
   2799 mfi_skinny_intr(struct mfi_softc *sc)
   2800 {
   2801 	u_int32_t status;
   2802 
   2803 	status = mfi_read(sc, MFI_OSTS);
   2804 	if (!ISSET(status, MFI_OSTS_SKINNY_INTR_VALID))
   2805 		return (0);
   2806 
   2807 	/* write status back to acknowledge interrupt */
   2808 	mfi_write(sc, MFI_OSTS, status);
   2809 
   2810 	return (1);
   2811 }
   2812 
   2813 void
   2814 mfi_skinny_post(struct mfi_softc *sc, struct mfi_ccb *ccb)
   2815 {
   2816 	mfi_write(sc, MFI_IQPL, 0x1 | ccb->ccb_pframe |
   2817 	    (ccb->ccb_extra_frames << 1));
   2818 	mfi_write(sc, MFI_IQPH, 0x00000000);
   2819 	ccb->ccb_state = MFI_CCB_RUNNING;
   2820 }
   2821 
   2822 #define MFI_FUSION_ENABLE_INTERRUPT_MASK	(0x00000008)
   2823 
   2824 void
   2825 mfi_tbolt_intr_ena(struct mfi_softc *sc)
   2826 {
   2827 	mfi_write(sc, MFI_OMSK, ~MFI_FUSION_ENABLE_INTERRUPT_MASK);
   2828 	mfi_read(sc, MFI_OMSK);
   2829 }
   2830 
   2831 void
   2832 mfi_tbolt_intr_dis(struct mfi_softc *sc)
   2833 {
   2834 	mfi_write(sc, MFI_OMSK, 0xFFFFFFFF);
   2835 	mfi_read(sc, MFI_OMSK);
   2836 }
   2837 
   2838 int
   2839 mfi_tbolt_intr(struct mfi_softc *sc)
   2840 {
   2841 	int32_t status;
   2842 
   2843 	status = mfi_read(sc, MFI_OSTS);
   2844 
   2845 	if (ISSET(status, 0x1)) {
   2846 		mfi_write(sc, MFI_OSTS, status);
   2847 		mfi_read(sc, MFI_OSTS);
   2848 		if (ISSET(status, MFI_STATE_CHANGE_INTERRUPT))
   2849 			return 0;
   2850 		return 1;
   2851 	}
   2852 	if (!ISSET(status, MFI_FUSION_ENABLE_INTERRUPT_MASK))
   2853 		return 0;
   2854 	mfi_read(sc, MFI_OSTS);
   2855 	return 1;
   2856 }
   2857 
   2858 u_int32_t
   2859 mfi_tbolt_fw_state(struct mfi_softc *sc)
   2860 {
   2861 	return mfi_read(sc, MFI_OSP);
   2862 }
   2863 
   2864 void
   2865 mfi_tbolt_post(struct mfi_softc *sc, struct mfi_ccb *ccb)
   2866 {
   2867 	if (sc->sc_MFA_enabled) {
   2868 		if ((ccb->ccb_flags & MFI_CCB_F_TBOLT) == 0)
   2869 			mfi_tbolt_build_mpt_ccb(ccb);
   2870 		mfi_write(sc, MFI_IQPL,
   2871 		    ccb->ccb_tb_request_desc.words & 0xFFFFFFFF);
   2872 		mfi_write(sc, MFI_IQPH,
   2873 		    ccb->ccb_tb_request_desc.words >> 32);
   2874 		ccb->ccb_state = MFI_CCB_RUNNING;
   2875 		return;
   2876 	}
   2877 	uint64_t bus_add = ccb->ccb_pframe;
   2878 	bus_add |= (MFI_REQ_DESCRIPT_FLAGS_MFA
   2879 	    << MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
   2880 	mfi_write(sc, MFI_IQPL, bus_add);
   2881 	mfi_write(sc, MFI_IQPH, bus_add >> 32);
   2882 	ccb->ccb_state = MFI_CCB_RUNNING;
   2883 }
   2884 
   2885 static void
   2886 mfi_tbolt_build_mpt_ccb(struct mfi_ccb *ccb)
   2887 {
   2888 	union mfi_mpi2_request_descriptor *req_desc = &ccb->ccb_tb_request_desc;
   2889 	struct mfi_mpi2_request_raid_scsi_io *io_req = ccb->ccb_tb_io_request;
   2890 	struct mpi25_ieee_sge_chain64 *mpi25_ieee_chain;
   2891 
   2892 	io_req->Function = MPI2_FUNCTION_PASSTHRU_IO_REQUEST;
   2893 	io_req->SGLOffset0 =
   2894 	    offsetof(struct mfi_mpi2_request_raid_scsi_io, SGL) / 4;
   2895 	io_req->ChainOffset =
   2896 	    offsetof(struct mfi_mpi2_request_raid_scsi_io, SGL) / 16;
   2897 
   2898 	mpi25_ieee_chain =
   2899 	    (struct mpi25_ieee_sge_chain64 *)&io_req->SGL.IeeeChain;
   2900 	mpi25_ieee_chain->Address = ccb->ccb_pframe;
   2901 
   2902 	/*
   2903 	  In MFI pass thru, nextChainOffset will always be zero to
   2904 	  indicate the end of the chain.
   2905 	*/
   2906 	mpi25_ieee_chain->Flags= MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT
   2907 		| MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
   2908 
   2909 	/* setting the length to the maximum length */
   2910 	mpi25_ieee_chain->Length = 1024;
   2911 
   2912 	req_desc->header.RequestFlags = (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
   2913 	    MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
   2914 	ccb->ccb_flags |= MFI_CCB_F_TBOLT;
   2915 	bus_dmamap_sync(ccb->ccb_sc->sc_dmat,
   2916 	    MFIMEM_MAP(ccb->ccb_sc->sc_tbolt_reqmsgpool),
   2917 	    ccb->ccb_tb_pio_request -
   2918 	     MFIMEM_DVA(ccb->ccb_sc->sc_tbolt_reqmsgpool),
   2919 	    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE,
   2920 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   2921 }
   2922 
   2923 /*
   2924  * Description:
   2925  *      This function will prepare message pools for the Thunderbolt controller
   2926  */
   2927 static int
   2928 mfi_tbolt_init_desc_pool(struct mfi_softc *sc)
   2929 {
   2930 	uint32_t     offset = 0;
   2931 	uint8_t      *addr = MFIMEM_KVA(sc->sc_tbolt_reqmsgpool);
   2932 
   2933 	/* Request Decriptors alignement restrictions */
   2934 	KASSERT(((uintptr_t)addr & 0xFF) == 0);
   2935 
   2936 	/* Skip request message pool */
   2937 	addr = &addr[MEGASAS_THUNDERBOLT_NEW_MSG_SIZE * (sc->sc_max_cmds + 1)];
   2938 
   2939 	/* Reply Frame Pool is initialized */
   2940 	sc->sc_reply_frame_pool = (struct mfi_mpi2_reply_header *) addr;
   2941 	KASSERT(((uintptr_t)addr & 0xFF) == 0);
   2942 
   2943 	offset = (uintptr_t)sc->sc_reply_frame_pool
   2944 	    - (uintptr_t)MFIMEM_KVA(sc->sc_tbolt_reqmsgpool);
   2945 	sc->sc_reply_frame_busaddr =
   2946 	    MFIMEM_DVA(sc->sc_tbolt_reqmsgpool) + offset;
   2947 
   2948 	/* initializing reply address to 0xFFFFFFFF */
   2949 	memset((uint8_t *)sc->sc_reply_frame_pool, 0xFF,
   2950 	       (MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size));
   2951 
   2952 	/* Skip Reply Frame Pool */
   2953 	addr += MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size;
   2954 	sc->sc_reply_pool_limit = (void *)addr;
   2955 
   2956 	offset = MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size;
   2957 	sc->sc_sg_frame_busaddr = sc->sc_reply_frame_busaddr + offset;
   2958 
   2959 	/* initialize the last_reply_idx to 0 */
   2960 	sc->sc_last_reply_idx = 0;
   2961 	offset = (sc->sc_sg_frame_busaddr + (MEGASAS_MAX_SZ_CHAIN_FRAME *
   2962 	    sc->sc_max_cmds)) - MFIMEM_DVA(sc->sc_tbolt_reqmsgpool);
   2963 	KASSERT(offset <= sc->sc_tbolt_reqmsgpool->am_size);
   2964 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_tbolt_reqmsgpool), 0,
   2965 	    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool)->dm_mapsize,
   2966 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   2967 	return 0;
   2968 }
   2969 
   2970 /*
   2971  * This routine prepare and issue INIT2 frame to the Firmware
   2972  */
   2973 
   2974 static int
   2975 mfi_tbolt_init_MFI_queue(struct mfi_softc *sc)
   2976 {
   2977 	struct mpi2_ioc_init_request   *mpi2IocInit;
   2978 	struct mfi_init_frame		*mfi_init;
   2979 	struct mfi_ccb			*ccb;
   2980 	bus_addr_t			phyAddress;
   2981 	mfi_address			*mfiAddressTemp;
   2982 	int				s;
   2983 	char				*verbuf;
   2984 	char				wqbuf[10];
   2985 
   2986 	/* Check if initialization is already completed */
   2987 	if (sc->sc_MFA_enabled) {
   2988 		return 1;
   2989 	}
   2990 
   2991 	mpi2IocInit =
   2992 	    (struct mpi2_ioc_init_request *)MFIMEM_KVA(sc->sc_tbolt_ioc_init);
   2993 
   2994 	s = splbio();
   2995 	if ((ccb = mfi_get_ccb(sc)) == NULL) {
   2996 		splx(s);
   2997 		return (EBUSY);
   2998 	}
   2999 
   3000 
   3001 	mfi_init = &ccb->ccb_frame->mfr_init;
   3002 
   3003 	memset(mpi2IocInit, 0, sizeof(struct mpi2_ioc_init_request));
   3004 	mpi2IocInit->Function  = MPI2_FUNCTION_IOC_INIT;
   3005 	mpi2IocInit->WhoInit   = MPI2_WHOINIT_HOST_DRIVER;
   3006 
   3007 	/* set MsgVersion and HeaderVersion host driver was built with */
   3008 	mpi2IocInit->MsgVersion = MPI2_VERSION;
   3009 	mpi2IocInit->HeaderVersion = MPI2_HEADER_VERSION;
   3010 	mpi2IocInit->SystemRequestFrameSize = MEGASAS_THUNDERBOLT_NEW_MSG_SIZE/4;
   3011 	mpi2IocInit->ReplyDescriptorPostQueueDepth =
   3012 	    (uint16_t)sc->sc_reply_pool_size;
   3013 	mpi2IocInit->ReplyFreeQueueDepth = 0; /* Not supported by MR. */
   3014 
   3015 	/* Get physical address of reply frame pool */
   3016 	phyAddress = sc->sc_reply_frame_busaddr;
   3017 	mfiAddressTemp =
   3018 	    (mfi_address *)&mpi2IocInit->ReplyDescriptorPostQueueAddress;
   3019 	mfiAddressTemp->u.addressLow = (uint32_t)phyAddress;
   3020 	mfiAddressTemp->u.addressHigh = (uint32_t)((uint64_t)phyAddress >> 32);
   3021 
   3022 	/* Get physical address of request message pool */
   3023 	phyAddress =  MFIMEM_DVA(sc->sc_tbolt_reqmsgpool);
   3024 	mfiAddressTemp = (mfi_address *)&mpi2IocInit->SystemRequestFrameBaseAddress;
   3025 	mfiAddressTemp->u.addressLow = (uint32_t)phyAddress;
   3026 	mfiAddressTemp->u.addressHigh = (uint32_t)((uint64_t)phyAddress >> 32);
   3027 
   3028 	mpi2IocInit->ReplyFreeQueueAddress =  0; /* Not supported by MR. */
   3029 	mpi2IocInit->TimeStamp = time_uptime;
   3030 
   3031 	verbuf = MFIMEM_KVA(sc->sc_tbolt_verbuf);
   3032 	snprintf(verbuf, strlen(MEGASAS_VERSION) + 2, "%s\n",
   3033                 MEGASAS_VERSION);
   3034 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_tbolt_verbuf), 0,
   3035 	    MFIMEM_MAP(sc->sc_tbolt_verbuf)->dm_mapsize, BUS_DMASYNC_PREWRITE);
   3036 	mfi_init->driver_ver_lo = htole32(MFIMEM_DVA(sc->sc_tbolt_verbuf));
   3037 	mfi_init->driver_ver_hi =
   3038 		    htole32((uint64_t)MFIMEM_DVA(sc->sc_tbolt_verbuf) >> 32);
   3039 
   3040 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_tbolt_ioc_init), 0,
   3041 	    MFIMEM_MAP(sc->sc_tbolt_ioc_init)->dm_mapsize,
   3042 	    BUS_DMASYNC_PREWRITE);
   3043 	/* Get the physical address of the mpi2 ioc init command */
   3044 	phyAddress =  MFIMEM_DVA(sc->sc_tbolt_ioc_init);
   3045 	mfi_init->mif_qinfo_new_addr_lo = htole32(phyAddress);
   3046 	mfi_init->mif_qinfo_new_addr_hi = htole32((uint64_t)phyAddress >> 32);
   3047 
   3048 	mfi_init->mif_header.mfh_cmd = MFI_CMD_INIT;
   3049 	mfi_init->mif_header.mfh_data_len = sizeof(struct mpi2_ioc_init_request);
   3050 	if (mfi_poll(ccb) != 0) {
   3051 		aprint_error_dev(sc->sc_dev, "failed to send IOC init2 "
   3052 		    "command at 0x%" PRIx64 "\n",
   3053 		    (uint64_t)ccb->ccb_pframe);
   3054 		splx(s);
   3055 		return 1;
   3056 	}
   3057 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_tbolt_verbuf), 0,
   3058 	    MFIMEM_MAP(sc->sc_tbolt_verbuf)->dm_mapsize, BUS_DMASYNC_POSTWRITE);
   3059 	bus_dmamap_sync(sc->sc_dmat, MFIMEM_MAP(sc->sc_tbolt_ioc_init), 0,
   3060 	    MFIMEM_MAP(sc->sc_tbolt_ioc_init)->dm_mapsize,
   3061 	    BUS_DMASYNC_POSTWRITE);
   3062 	mfi_put_ccb(ccb);
   3063 	splx(s);
   3064 
   3065 	if (mfi_init->mif_header.mfh_cmd_status == 0) {
   3066 		sc->sc_MFA_enabled = 1;
   3067 	}
   3068 	else {
   3069 		aprint_error_dev(sc->sc_dev, "Init command Failed %x\n",
   3070 		    mfi_init->mif_header.mfh_cmd_status);
   3071 		return 1;
   3072 	}
   3073 
   3074 	snprintf(wqbuf, sizeof(wqbuf), "%swq", DEVNAME(sc));
   3075 	if (workqueue_create(&sc->sc_ldsync_wq, wqbuf, mfi_tbolt_sync_map_info,
   3076 	    sc, PRIBIO, IPL_BIO, 0) != 0) {
   3077 		aprint_error_dev(sc->sc_dev, "workqueue_create failed\n");
   3078 		return 1;
   3079 	}
   3080 	workqueue_enqueue(sc->sc_ldsync_wq, &sc->sc_ldsync_wk, NULL);
   3081 	return 0;
   3082 }
   3083 
   3084 int
   3085 mfi_tbolt_intrh(void *arg)
   3086 {
   3087 	struct mfi_softc	*sc = arg;
   3088 	struct mfi_ccb		*ccb;
   3089 	union mfi_mpi2_reply_descriptor *desc;
   3090 	int smid, num_completed;
   3091 
   3092 	if (!mfi_tbolt_intr(sc))
   3093 		return 0;
   3094 
   3095 	DNPRINTF(MFI_D_INTR, "%s: mfi_tbolt_intrh %#lx %#lx\n", DEVNAME(sc),
   3096 	    (u_long)sc, (u_long)sc->sc_last_reply_idx);
   3097 
   3098 	KASSERT(sc->sc_last_reply_idx < sc->sc_reply_pool_size);
   3099 
   3100 	desc = (union mfi_mpi2_reply_descriptor *)
   3101 	    ((uintptr_t)sc->sc_reply_frame_pool +
   3102 	     sc->sc_last_reply_idx * MEGASAS_THUNDERBOLT_REPLY_SIZE);
   3103 
   3104 	bus_dmamap_sync(sc->sc_dmat,
   3105 	    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool),
   3106 	    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE * (sc->sc_max_cmds + 1),
   3107 	    MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size,
   3108 	    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   3109 	num_completed = 0;
   3110 	while ((desc->header.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK) !=
   3111 	    MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
   3112 		smid = desc->header.SMID;
   3113 		KASSERT(smid > 0 && smid <= sc->sc_max_cmds);
   3114 		ccb = &sc->sc_ccb[smid - 1];
   3115 		DNPRINTF(MFI_D_INTR,
   3116 		    "%s: mfi_tbolt_intr SMID %#x reply_idx %#x "
   3117 		    "desc %#" PRIx64 " ccb %p\n", DEVNAME(sc), smid,
   3118 		    sc->sc_last_reply_idx, desc->words, ccb);
   3119 		KASSERT(ccb->ccb_state == MFI_CCB_RUNNING);
   3120 		if (ccb->ccb_flags & MFI_CCB_F_TBOLT_IO &&
   3121 		    ccb->ccb_tb_io_request->ChainOffset != 0) {
   3122 			bus_dmamap_sync(sc->sc_dmat,
   3123 			    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool),
   3124 			    ccb->ccb_tb_psg_frame -
   3125 				MFIMEM_DVA(sc->sc_tbolt_reqmsgpool),
   3126 			    MEGASAS_MAX_SZ_CHAIN_FRAME,  BUS_DMASYNC_POSTREAD);
   3127 		}
   3128 		if (ccb->ccb_flags & MFI_CCB_F_TBOLT_IO) {
   3129 			bus_dmamap_sync(sc->sc_dmat,
   3130 			    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool),
   3131 			    ccb->ccb_tb_pio_request -
   3132 				MFIMEM_DVA(sc->sc_tbolt_reqmsgpool),
   3133 			    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE,
   3134 			    BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
   3135 		}
   3136 		if (ccb->ccb_done)
   3137 			ccb->ccb_done(ccb);
   3138 		else
   3139 			ccb->ccb_state = MFI_CCB_DONE;
   3140 		sc->sc_last_reply_idx++;
   3141 		if (sc->sc_last_reply_idx >= sc->sc_reply_pool_size) {
   3142 			sc->sc_last_reply_idx = 0;
   3143 		}
   3144 		desc->words = ~0x0;
   3145 		/* Get the next reply descriptor */
   3146 		desc = (union mfi_mpi2_reply_descriptor *)
   3147 		    ((uintptr_t)sc->sc_reply_frame_pool +
   3148 		     sc->sc_last_reply_idx * MEGASAS_THUNDERBOLT_REPLY_SIZE);
   3149 		num_completed++;
   3150 	}
   3151 	if (num_completed == 0)
   3152 		return 0;
   3153 
   3154 	bus_dmamap_sync(sc->sc_dmat,
   3155 	    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool),
   3156 	    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE * (sc->sc_max_cmds + 1),
   3157 	    MEGASAS_THUNDERBOLT_REPLY_SIZE * sc->sc_reply_pool_size,
   3158 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   3159 	mfi_write(sc, MFI_RPI, sc->sc_last_reply_idx);
   3160 	return 1;
   3161 }
   3162 
   3163 
   3164 int
   3165 mfi_tbolt_scsi_ld_io(struct mfi_ccb *ccb, struct scsipi_xfer *xs,
   3166     uint64_t blockno, uint32_t blockcnt)
   3167 {
   3168 	struct scsipi_periph *periph = xs->xs_periph;
   3169 	struct mfi_mpi2_request_raid_scsi_io    *io_req;
   3170 	int sge_count;
   3171 
   3172 	DNPRINTF(MFI_D_CMD, "%s: mfi_tbolt_scsi_ld_io: %d\n",
   3173 	    device_xname(periph->periph_channel->chan_adapter->adapt_dev),
   3174 	    periph->periph_target);
   3175 
   3176 	if (!xs->data)
   3177 		return 1;
   3178 
   3179 	ccb->ccb_done = mfi_tbolt_scsi_ld_done;
   3180 	ccb->ccb_xs = xs;
   3181 	ccb->ccb_data = xs->data;
   3182 	ccb->ccb_len = xs->datalen;
   3183 
   3184 	io_req = ccb->ccb_tb_io_request;
   3185 
   3186 	/* Just the CDB length,rest of the Flags are zero */
   3187 	io_req->IoFlags = xs->cmdlen;
   3188 	memset(io_req->CDB.CDB32, 0, 32);
   3189 	memcpy(io_req->CDB.CDB32, &xs->cmdstore, xs->cmdlen);
   3190 
   3191 	io_req->RaidContext.TargetID = periph->periph_target;
   3192 	io_req->RaidContext.Status = 0;
   3193 	io_req->RaidContext.exStatus = 0;
   3194 	io_req->RaidContext.timeoutValue = MFI_FUSION_FP_DEFAULT_TIMEOUT;
   3195 	io_req->Function = MPI2_FUNCTION_LD_IO_REQUEST;
   3196 	io_req->DevHandle = periph->periph_target;
   3197 
   3198 	ccb->ccb_tb_request_desc.header.RequestFlags =
   3199 	    (MFI_REQ_DESCRIPT_FLAGS_LD_IO << MFI_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
   3200 	io_req->DataLength = blockcnt * MFI_SECTOR_LEN;
   3201 
   3202 	if (xs->xs_control & XS_CTL_DATA_IN) {
   3203 		io_req->Control = MPI2_SCSIIO_CONTROL_READ;
   3204 		ccb->ccb_direction = MFI_DATA_IN;
   3205 	} else {
   3206 		io_req->Control = MPI2_SCSIIO_CONTROL_WRITE;
   3207 		ccb->ccb_direction = MFI_DATA_OUT;
   3208 	}
   3209 
   3210 	sge_count = mfi_tbolt_create_sgl(ccb,
   3211 	    (xs->xs_control & XS_CTL_NOSLEEP) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK
   3212 	    );
   3213 	if (sge_count < 0)
   3214 		return 1;
   3215 	KASSERT(sge_count <= ccb->ccb_sc->sc_max_sgl);
   3216 	io_req->RaidContext.numSGE = sge_count;
   3217 	io_req->SGLFlags = MPI2_SGE_FLAGS_64_BIT_ADDRESSING;
   3218 	io_req->SGLOffset0 =
   3219 	    offsetof(struct mfi_mpi2_request_raid_scsi_io, SGL) / 4;
   3220 
   3221 	io_req->SenseBufferLowAddress = htole32(ccb->ccb_psense);
   3222 	io_req->SenseBufferLength = MFI_SENSE_SIZE;
   3223 
   3224 	ccb->ccb_flags |= MFI_CCB_F_TBOLT | MFI_CCB_F_TBOLT_IO;
   3225 	bus_dmamap_sync(ccb->ccb_sc->sc_dmat,
   3226 	    MFIMEM_MAP(ccb->ccb_sc->sc_tbolt_reqmsgpool),
   3227 	    ccb->ccb_tb_pio_request -
   3228 	     MFIMEM_DVA(ccb->ccb_sc->sc_tbolt_reqmsgpool),
   3229 	    MEGASAS_THUNDERBOLT_NEW_MSG_SIZE,
   3230 	    BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
   3231 
   3232 	return 0;
   3233 }
   3234 
   3235 
   3236 static void
   3237 mfi_tbolt_scsi_ld_done(struct mfi_ccb *ccb)
   3238 {
   3239 	struct mfi_mpi2_request_raid_scsi_io *io_req = ccb->ccb_tb_io_request;
   3240 	mfi_scsi_xs_done(ccb, io_req->RaidContext.Status,
   3241 	    io_req->RaidContext.exStatus);
   3242 }
   3243 
   3244 static int
   3245 mfi_tbolt_create_sgl(struct mfi_ccb *ccb, int flags)
   3246 {
   3247 	struct mfi_softc	*sc = ccb->ccb_sc;
   3248 	bus_dma_segment_t	*sgd;
   3249 	int			error, i, sge_idx, sge_count;
   3250 	struct mfi_mpi2_request_raid_scsi_io *io_req;
   3251 	struct mpi25_ieee_sge_chain64 *sgl_ptr;
   3252 
   3253 	DNPRINTF(MFI_D_DMA, "%s: mfi_tbolt_create_sgl %#lx\n", DEVNAME(sc),
   3254 	    (u_long)ccb->ccb_data);
   3255 
   3256 	if (!ccb->ccb_data)
   3257 		return -1;
   3258 
   3259 	KASSERT(flags == BUS_DMA_NOWAIT || !cpu_intr_p());
   3260 	error = bus_dmamap_load(sc->sc_datadmat, ccb->ccb_dmamap,
   3261 	    ccb->ccb_data, ccb->ccb_len, NULL, flags);
   3262 	if (error) {
   3263 		if (error == EFBIG)
   3264 			aprint_error_dev(sc->sc_dev, "more than %d dma segs\n",
   3265 			    sc->sc_max_sgl);
   3266 		else
   3267 			aprint_error_dev(sc->sc_dev,
   3268 			    "error %d loading dma map\n", error);
   3269 		return -1;
   3270 	}
   3271 
   3272 	io_req = ccb->ccb_tb_io_request;
   3273 	sgl_ptr = &io_req->SGL.IeeeChain.Chain64;
   3274 	sge_count = ccb->ccb_dmamap->dm_nsegs;
   3275 	sgd = ccb->ccb_dmamap->dm_segs;
   3276 	KASSERT(sge_count <= sc->sc_max_sgl);
   3277 	KASSERT(sge_count <=
   3278 	    (MEGASAS_THUNDERBOLT_MAX_SGE_IN_MAINMSG - 1 +
   3279 	     MEGASAS_THUNDERBOLT_MAX_SGE_IN_CHAINMSG));
   3280 
   3281 	if (sge_count > MEGASAS_THUNDERBOLT_MAX_SGE_IN_MAINMSG) {
   3282 		/* One element to store the chain info */
   3283 		sge_idx = MEGASAS_THUNDERBOLT_MAX_SGE_IN_MAINMSG - 1;
   3284 		DNPRINTF(MFI_D_DMA,
   3285 		    "mfi sge_idx %d sge_count %d io_req paddr 0x%" PRIx64 "\n",
   3286 		    sge_idx, sge_count, ccb->ccb_tb_pio_request);
   3287 	} else {
   3288 		sge_idx = sge_count;
   3289 	}
   3290 
   3291 	for (i = 0; i < sge_idx; i++) {
   3292 		sgl_ptr->Address = htole64(sgd[i].ds_addr);
   3293 		sgl_ptr->Length = htole32(sgd[i].ds_len);
   3294 		sgl_ptr->Flags = 0;
   3295 		if (sge_idx < sge_count) {
   3296 			DNPRINTF(MFI_D_DMA,
   3297 			    "sgl %p %d 0x%" PRIx64 " len 0x%" PRIx32
   3298 			    " flags 0x%x\n", sgl_ptr, i,
   3299 			    sgl_ptr->Address, sgl_ptr->Length,
   3300 			    sgl_ptr->Flags);
   3301 		}
   3302 		sgl_ptr++;
   3303 	}
   3304 	io_req->ChainOffset = 0;
   3305 	if (sge_idx < sge_count) {
   3306 		struct mpi25_ieee_sge_chain64 *sg_chain;
   3307 		io_req->ChainOffset = MEGASAS_THUNDERBOLT_CHAIN_OFF_MAINMSG;
   3308 		sg_chain = sgl_ptr;
   3309 		/* Prepare chain element */
   3310 		sg_chain->NextChainOffset = 0;
   3311 		sg_chain->Flags = (MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT |
   3312 		    MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
   3313 		sg_chain->Length =  (sizeof(mpi2_sge_io_union) *
   3314 		    (sge_count - sge_idx));
   3315 		sg_chain->Address = ccb->ccb_tb_psg_frame;
   3316 		DNPRINTF(MFI_D_DMA,
   3317 		    "sgl %p chain 0x%" PRIx64 " len 0x%" PRIx32
   3318 		    " flags 0x%x\n", sg_chain, sg_chain->Address,
   3319 		    sg_chain->Length, sg_chain->Flags);
   3320 		sgl_ptr = &ccb->ccb_tb_sg_frame->IeeeChain.Chain64;
   3321 		for (; i < sge_count; i++) {
   3322 			sgl_ptr->Address = htole64(sgd[i].ds_addr);
   3323 			sgl_ptr->Length = htole32(sgd[i].ds_len);
   3324 			sgl_ptr->Flags = 0;
   3325 			DNPRINTF(MFI_D_DMA,
   3326 			    "sgl %p %d 0x%" PRIx64 " len 0x%" PRIx32
   3327 			    " flags 0x%x\n", sgl_ptr, i, sgl_ptr->Address,
   3328 			    sgl_ptr->Length, sgl_ptr->Flags);
   3329 			sgl_ptr++;
   3330 		}
   3331 		bus_dmamap_sync(sc->sc_dmat,
   3332 		    MFIMEM_MAP(sc->sc_tbolt_reqmsgpool),
   3333 		    ccb->ccb_tb_psg_frame - MFIMEM_DVA(sc->sc_tbolt_reqmsgpool),
   3334 		    MEGASAS_MAX_SZ_CHAIN_FRAME,  BUS_DMASYNC_PREREAD);
   3335 	}
   3336 
   3337 	if (ccb->ccb_direction == MFI_DATA_IN) {
   3338 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   3339 		    ccb->ccb_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
   3340 	} else {
   3341 		bus_dmamap_sync(sc->sc_datadmat, ccb->ccb_dmamap, 0,
   3342 		    ccb->ccb_dmamap->dm_mapsize, BUS_DMASYNC_PREWRITE);
   3343 	}
   3344 	return sge_count;
   3345 }
   3346 
   3347 /*
   3348  * The ThunderBolt HW has an option for the driver to directly
   3349  * access the underlying disks and operate on the RAID.  To
   3350  * do this there needs to be a capability to keep the RAID controller
   3351  * and driver in sync.  The FreeBSD driver does not take advantage
   3352  * of this feature since it adds a lot of complexity and slows down
   3353  * performance.  Performance is gained by using the controller's
   3354  * cache etc.
   3355  *
   3356  * Even though this driver doesn't access the disks directly, an
   3357  * AEN like command is used to inform the RAID firmware to "sync"
   3358  * with all LD's via the MFI_DCMD_LD_MAP_GET_INFO command.  This
   3359  * command in write mode will return when the RAID firmware has
   3360  * detected a change to the RAID state.  Examples of this type
   3361  * of change are removing a disk.  Once the command returns then
   3362  * the driver needs to acknowledge this and "sync" all LD's again.
   3363  * This repeats until we shutdown.  Then we need to cancel this
   3364  * pending command.
   3365  *
   3366  * If this is not done right the RAID firmware will not remove a
   3367  * pulled drive and the RAID won't go degraded etc.  Effectively,
   3368  * stopping any RAID mangement to functions.
   3369  *
   3370  * Doing another LD sync, requires the use of an event since the
   3371  * driver needs to do a mfi_wait_command and can't do that in an
   3372  * interrupt thread.
   3373  *
   3374  * The driver could get the RAID state via the MFI_DCMD_LD_MAP_GET_INFO
   3375  * That requires a bunch of structure and it is simplier to just do
   3376  * the MFI_DCMD_LD_GET_LIST versus walking the RAID map.
   3377  */
   3378 
   3379 void
   3380 mfi_tbolt_sync_map_info(struct work *w, void *v)
   3381 {
   3382 	struct mfi_softc *sc = v;
   3383 	int i;
   3384 	struct mfi_ccb *ccb = NULL;
   3385 	uint8_t mbox[MFI_MBOX_SIZE];
   3386 	struct mfi_ld *ld_sync = NULL;
   3387 	size_t ld_size;
   3388 	int s;
   3389 
   3390 	DNPRINTF(MFI_D_SYNC, "%s: mfi_tbolt_sync_map_info\n", DEVNAME(sc));
   3391 again:
   3392 	s = splbio();
   3393 	if (sc->sc_ldsync_ccb != NULL) {
   3394 		splx(s);
   3395 		return;
   3396 	}
   3397 
   3398 	if (mfi_mgmt_internal(sc, MR_DCMD_LD_GET_LIST, MFI_DATA_IN,
   3399 	    sizeof(sc->sc_ld_list), &sc->sc_ld_list, NULL, false)) {
   3400 		aprint_error_dev(sc->sc_dev, "MR_DCMD_LD_GET_LIST failed\n");
   3401 		goto err;
   3402 	}
   3403 
   3404 	ld_size = sizeof(*ld_sync) * sc->sc_ld_list.mll_no_ld;
   3405 
   3406 	ld_sync = (struct mfi_ld *) malloc(ld_size, M_DEVBUF,
   3407 	     M_WAITOK | M_ZERO);
   3408 	if (ld_sync == NULL) {
   3409 		aprint_error_dev(sc->sc_dev, "Failed to allocate sync\n");
   3410 		goto err;
   3411 	}
   3412 	for (i = 0; i < sc->sc_ld_list.mll_no_ld; i++) {
   3413 		ld_sync[i] = sc->sc_ld_list.mll_list[i].mll_ld;
   3414 	}
   3415 
   3416 	if ((ccb = mfi_get_ccb(sc)) == NULL) {
   3417 		aprint_error_dev(sc->sc_dev, "Failed to get sync command\n");
   3418 		free(ld_sync, M_DEVBUF);
   3419 		goto err;
   3420 	}
   3421 	sc->sc_ldsync_ccb = ccb;
   3422 
   3423 	memset(mbox, 0, MFI_MBOX_SIZE);
   3424 	mbox[0] = sc->sc_ld_list.mll_no_ld;
   3425 	mbox[1] = MFI_DCMD_MBOX_PEND_FLAG;
   3426 	if (mfi_mgmt(ccb, NULL, MR_DCMD_LD_MAP_GET_INFO, MFI_DATA_OUT,
   3427 	    ld_size, ld_sync, mbox)) {
   3428 		aprint_error_dev(sc->sc_dev, "Failed to create sync command\n");
   3429 		goto err;
   3430 	}
   3431 	/*
   3432 	 * we won't sleep on this command, so we have to override
   3433 	 * the callback set up by mfi_mgmt()
   3434 	 */
   3435 	ccb->ccb_done = mfi_sync_map_complete;
   3436 
   3437 	mfi_post(sc, ccb);
   3438 	splx(s);
   3439 	return;
   3440 
   3441 err:
   3442 	if (ld_sync)
   3443 		free(ld_sync, M_DEVBUF);
   3444 	if (ccb)
   3445 		mfi_put_ccb(ccb);
   3446 	sc->sc_ldsync_ccb = NULL;
   3447 	splx(s);
   3448 	kpause("ldsyncp", 0, hz, NULL);
   3449 	goto again;
   3450 }
   3451 
   3452 static void
   3453 mfi_sync_map_complete(struct mfi_ccb *ccb)
   3454 {
   3455 	struct mfi_softc *sc = ccb->ccb_sc;
   3456 	bool aborted = !sc->sc_running;
   3457 
   3458 	DNPRINTF(MFI_D_SYNC, "%s: mfi_sync_map_complete\n",
   3459 	    DEVNAME(ccb->ccb_sc));
   3460 	KASSERT(sc->sc_ldsync_ccb == ccb);
   3461 	mfi_mgmt_done(ccb);
   3462 	free(ccb->ccb_data, M_DEVBUF);
   3463 	if (ccb->ccb_flags & MFI_CCB_F_ERR) {
   3464 		aprint_error_dev(sc->sc_dev, "sync command failed\n");
   3465 		aborted = true;
   3466 	}
   3467 	mfi_put_ccb(ccb);
   3468 	sc->sc_ldsync_ccb = NULL;
   3469 
   3470 	/* set it up again so the driver can catch more events */
   3471 	if (!aborted) {
   3472 		workqueue_enqueue(sc->sc_ldsync_wq, &sc->sc_ldsync_wk, NULL);
   3473 	}
   3474 }
   3475