2 * Copyright (c) 2006 IronPort Systems
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * Copyright (c) 2007 LSI Corp.
28 * Copyright (c) 2007 Rajesh Prabhakaran.
29 * All rights reserved.
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
34 * 1. Redistributions of source code must retain the above copyright
35 * notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 * notice, this list of conditions and the following disclaimer in the
38 * documentation and/or other materials provided with the distribution.
40 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 #include <sys/cdefs.h>
54 __FBSDID("$FreeBSD$");
58 #include <sys/param.h>
59 #include <sys/systm.h>
60 #include <sys/sysctl.h>
61 #include <sys/malloc.h>
62 #include <sys/kernel.h>
64 #include <sys/selinfo.h>
67 #include <sys/eventhandler.h>
69 #include <sys/bus_dma.h>
71 #include <sys/ioccom.h>
74 #include <sys/signalvar.h>
76 #include <machine/bus.h>
77 #include <machine/resource.h>
79 #include <dev/mfi/mfireg.h>
80 #include <dev/mfi/mfi_ioctl.h>
81 #include <dev/mfi/mfivar.h>
83 static int mfi_alloc_commands(struct mfi_softc *);
84 static int mfi_comms_init(struct mfi_softc *);
85 static int mfi_wait_command(struct mfi_softc *, struct mfi_command *);
86 static int mfi_get_controller_info(struct mfi_softc *);
87 static int mfi_get_log_state(struct mfi_softc *,
88 struct mfi_evt_log_state **);
89 static int mfi_parse_entries(struct mfi_softc *, int, int);
90 static int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **,
91 uint32_t, void **, size_t);
92 static void mfi_data_cb(void *, bus_dma_segment_t *, int, int);
93 static void mfi_startup(void *arg);
94 static void mfi_intr(void *arg);
95 static void mfi_ldprobe(struct mfi_softc *sc);
96 static int mfi_aen_register(struct mfi_softc *sc, int seq, int locale);
97 static void mfi_aen_complete(struct mfi_command *);
98 static int mfi_aen_setup(struct mfi_softc *, uint32_t);
99 static int mfi_add_ld(struct mfi_softc *sc, int);
100 static void mfi_add_ld_complete(struct mfi_command *);
101 static struct mfi_command * mfi_bio_command(struct mfi_softc *);
102 static void mfi_bio_complete(struct mfi_command *);
103 static int mfi_mapcmd(struct mfi_softc *, struct mfi_command *);
104 static int mfi_send_frame(struct mfi_softc *, struct mfi_command *);
105 static void mfi_complete(struct mfi_softc *, struct mfi_command *);
106 static int mfi_abort(struct mfi_softc *, struct mfi_command *);
107 static int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int, struct thread *);
108 static void mfi_timeout(void *);
109 static int mfi_user_command(struct mfi_softc *,
110 struct mfi_ioc_passthru *);
111 static void mfi_enable_intr_xscale(struct mfi_softc *sc);
112 static void mfi_enable_intr_ppc(struct mfi_softc *sc);
113 static int32_t mfi_read_fw_status_xscale(struct mfi_softc *sc);
114 static int32_t mfi_read_fw_status_ppc(struct mfi_softc *sc);
115 static int mfi_check_clear_intr_xscale(struct mfi_softc *sc);
116 static int mfi_check_clear_intr_ppc(struct mfi_softc *sc);
117 static void mfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt);
118 static void mfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt);
120 SYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters");
121 static int mfi_event_locale = MFI_EVT_LOCALE_ALL;
122 TUNABLE_INT("hw.mfi.event_locale", &mfi_event_locale);
123 SYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RW, &mfi_event_locale,
124 0, "event message locale");
126 static int mfi_event_class = MFI_EVT_CLASS_INFO;
127 TUNABLE_INT("hw.mfi.event_class", &mfi_event_class);
128 SYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RW, &mfi_event_class,
129 0, "event message class");
131 static int mfi_max_cmds = 128;
132 TUNABLE_INT("hw.mfi.max_cmds", &mfi_max_cmds);
133 SYSCTL_INT(_hw_mfi, OID_AUTO, max_cmds, CTLFLAG_RD, &mfi_max_cmds,
136 /* Management interface */
137 static d_open_t mfi_open;
138 static d_close_t mfi_close;
139 static d_ioctl_t mfi_ioctl;
140 static d_poll_t mfi_poll;
142 static struct cdevsw mfi_cdevsw = {
143 .d_version = D_VERSION,
146 .d_close = mfi_close,
147 .d_ioctl = mfi_ioctl,
152 MALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver");
154 #define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH
157 mfi_enable_intr_xscale(struct mfi_softc *sc)
159 MFI_WRITE4(sc, MFI_OMSK, 0x01);
163 mfi_enable_intr_ppc(struct mfi_softc *sc)
165 MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF);
166 if (sc->mfi_flags & MFI_FLAGS_1078) {
167 MFI_WRITE4(sc, MFI_OMSK, ~MFI_1078_EIM);
168 } else if (sc->mfi_flags & MFI_FLAGS_GEN2) {
169 MFI_WRITE4(sc, MFI_OMSK, ~MFI_GEN2_EIM);
174 mfi_read_fw_status_xscale(struct mfi_softc *sc)
176 return MFI_READ4(sc, MFI_OMSG0);
180 mfi_read_fw_status_ppc(struct mfi_softc *sc)
182 return MFI_READ4(sc, MFI_OSP0);
186 mfi_check_clear_intr_xscale(struct mfi_softc *sc)
190 status = MFI_READ4(sc, MFI_OSTS);
191 if ((status & MFI_OSTS_INTR_VALID) == 0)
194 MFI_WRITE4(sc, MFI_OSTS, status);
199 mfi_check_clear_intr_ppc(struct mfi_softc *sc)
203 status = MFI_READ4(sc, MFI_OSTS);
204 if (sc->mfi_flags & MFI_FLAGS_1078) {
205 if (!(status & MFI_1078_RM)) {
208 } else if (sc->mfi_flags & MFI_FLAGS_GEN2) {
209 if (!(status & MFI_GEN2_RM)) {
214 MFI_WRITE4(sc, MFI_ODCR0, status);
219 mfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt)
221 MFI_WRITE4(sc, MFI_IQP,(bus_add >>3)|frame_cnt);
225 mfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt)
227 MFI_WRITE4(sc, MFI_IQP, (bus_add |frame_cnt <<1)|1 );
231 mfi_transition_firmware(struct mfi_softc *sc)
233 uint32_t fw_state, cur_state;
236 fw_state = sc->mfi_read_fw_status(sc)& MFI_FWSTATE_MASK;
237 while (fw_state != MFI_FWSTATE_READY) {
239 device_printf(sc->mfi_dev, "Waiting for firmware to "
241 cur_state = fw_state;
243 case MFI_FWSTATE_FAULT:
244 device_printf(sc->mfi_dev, "Firmware fault\n");
246 case MFI_FWSTATE_WAIT_HANDSHAKE:
247 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_CLEAR_HANDSHAKE);
250 case MFI_FWSTATE_OPERATIONAL:
251 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_READY);
254 case MFI_FWSTATE_UNDEFINED:
255 case MFI_FWSTATE_BB_INIT:
258 case MFI_FWSTATE_FW_INIT:
259 case MFI_FWSTATE_DEVICE_SCAN:
260 case MFI_FWSTATE_FLUSH_CACHE:
263 case MFI_FWSTATE_BOOT_MESSAGE_PENDING:
264 MFI_WRITE4(sc, MFI_IDB, MFI_FWINIT_HOTPLUG);
268 device_printf(sc->mfi_dev,"Unknown firmware state %#x\n",
272 for (i = 0; i < (max_wait * 10); i++) {
273 fw_state = sc->mfi_read_fw_status(sc) & MFI_FWSTATE_MASK;
274 if (fw_state == cur_state)
279 if (fw_state == cur_state) {
280 device_printf(sc->mfi_dev, "Firmware stuck in state "
289 mfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
294 *addr = segs[0].ds_addr;
298 mfi_attach(struct mfi_softc *sc)
301 int error, commsz, framessz, sensesz;
302 int frames, unit, max_fw_sge;
304 device_printf(sc->mfi_dev, "Megaraid SAS driver Ver 3.00 \n");
306 mtx_init(&sc->mfi_io_lock, "MFI I/O lock", NULL, MTX_DEF);
307 sx_init(&sc->mfi_config_lock, "MFI config");
308 TAILQ_INIT(&sc->mfi_ld_tqh);
309 TAILQ_INIT(&sc->mfi_aen_pids);
310 TAILQ_INIT(&sc->mfi_cam_ccbq);
317 if (sc->mfi_flags & MFI_FLAGS_1064R) {
318 sc->mfi_enable_intr = mfi_enable_intr_xscale;
319 sc->mfi_read_fw_status = mfi_read_fw_status_xscale;
320 sc->mfi_check_clear_intr = mfi_check_clear_intr_xscale;
321 sc->mfi_issue_cmd = mfi_issue_cmd_xscale;
324 sc->mfi_enable_intr = mfi_enable_intr_ppc;
325 sc->mfi_read_fw_status = mfi_read_fw_status_ppc;
326 sc->mfi_check_clear_intr = mfi_check_clear_intr_ppc;
327 sc->mfi_issue_cmd = mfi_issue_cmd_ppc;
331 /* Before we get too far, see if the firmware is working */
332 if ((error = mfi_transition_firmware(sc)) != 0) {
333 device_printf(sc->mfi_dev, "Firmware not in READY state, "
334 "error %d\n", error);
339 * Get information needed for sizing the contiguous memory for the
340 * frame pool. Size down the sgl parameter since we know that
341 * we will never need more than what's required for MAXPHYS.
342 * It would be nice if these constants were available at runtime
343 * instead of compile time.
345 status = sc->mfi_read_fw_status(sc);
346 sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK;
347 max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16;
348 sc->mfi_max_sge = min(max_fw_sge, ((MFI_MAXPHYS / PAGE_SIZE) + 1));
351 * Create the dma tag for data buffers. Used both for block I/O
352 * and for various internal data queries.
354 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
355 1, 0, /* algnmnt, boundary */
356 BUS_SPACE_MAXADDR, /* lowaddr */
357 BUS_SPACE_MAXADDR, /* highaddr */
358 NULL, NULL, /* filter, filterarg */
359 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
360 sc->mfi_max_sge, /* nsegments */
361 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
362 BUS_DMA_ALLOCNOW, /* flags */
363 busdma_lock_mutex, /* lockfunc */
364 &sc->mfi_io_lock, /* lockfuncarg */
365 &sc->mfi_buffer_dmat)) {
366 device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n");
371 * Allocate DMA memory for the comms queues. Keep it under 4GB for
372 * efficiency. The mfi_hwcomms struct includes space for 1 reply queue
373 * entry, so the calculated size here will be will be 1 more than
374 * mfi_max_fw_cmds. This is apparently a requirement of the hardware.
376 commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) +
377 sizeof(struct mfi_hwcomms);
378 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
379 1, 0, /* algnmnt, boundary */
380 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
381 BUS_SPACE_MAXADDR, /* highaddr */
382 NULL, NULL, /* filter, filterarg */
383 commsz, /* maxsize */
385 commsz, /* maxsegsize */
387 NULL, NULL, /* lockfunc, lockarg */
388 &sc->mfi_comms_dmat)) {
389 device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n");
392 if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms,
393 BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) {
394 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n");
397 bzero(sc->mfi_comms, commsz);
398 bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap,
399 sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0);
402 * Allocate DMA memory for the command frames. Keep them in the
403 * lower 4GB for efficiency. Calculate the size of the commands at
404 * the same time; each command is one 64 byte frame plus a set of
405 * additional frames for holding sg lists or other data.
406 * The assumption here is that the SG list will start at the second
407 * frame and not use the unused bytes in the first frame. While this
408 * isn't technically correct, it simplifies the calculation and allows
409 * for command frames that might be larger than an mfi_io_frame.
411 if (sizeof(bus_addr_t) == 8) {
412 sc->mfi_sge_size = sizeof(struct mfi_sg64);
413 sc->mfi_flags |= MFI_FLAGS_SG64;
415 sc->mfi_sge_size = sizeof(struct mfi_sg32);
417 frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2;
418 sc->mfi_cmd_size = frames * MFI_FRAME_SIZE;
419 framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds;
420 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
421 64, 0, /* algnmnt, boundary */
422 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
423 BUS_SPACE_MAXADDR, /* highaddr */
424 NULL, NULL, /* filter, filterarg */
425 framessz, /* maxsize */
427 framessz, /* maxsegsize */
429 NULL, NULL, /* lockfunc, lockarg */
430 &sc->mfi_frames_dmat)) {
431 device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n");
434 if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames,
435 BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) {
436 device_printf(sc->mfi_dev, "Cannot allocate frames memory\n");
439 bzero(sc->mfi_frames, framessz);
440 bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap,
441 sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0);
444 * Allocate DMA memory for the frame sense data. Keep them in the
445 * lower 4GB for efficiency
447 sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN;
448 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
449 4, 0, /* algnmnt, boundary */
450 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
451 BUS_SPACE_MAXADDR, /* highaddr */
452 NULL, NULL, /* filter, filterarg */
453 sensesz, /* maxsize */
455 sensesz, /* maxsegsize */
457 NULL, NULL, /* lockfunc, lockarg */
458 &sc->mfi_sense_dmat)) {
459 device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n");
462 if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense,
463 BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) {
464 device_printf(sc->mfi_dev, "Cannot allocate sense memory\n");
467 bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap,
468 sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0);
470 if ((error = mfi_alloc_commands(sc)) != 0)
473 if ((error = mfi_comms_init(sc)) != 0)
476 if ((error = mfi_get_controller_info(sc)) != 0)
479 mtx_lock(&sc->mfi_io_lock);
480 if ((error = mfi_aen_setup(sc, 0), 0) != 0) {
481 mtx_unlock(&sc->mfi_io_lock);
484 mtx_unlock(&sc->mfi_io_lock);
487 * Set up the interrupt handler. XXX This should happen in
491 if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ,
492 &sc->mfi_irq_rid, RF_SHAREABLE | RF_ACTIVE)) == NULL) {
493 device_printf(sc->mfi_dev, "Cannot allocate interrupt\n");
496 if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE|INTR_TYPE_BIO,
497 NULL, mfi_intr, sc, &sc->mfi_intr)) {
498 device_printf(sc->mfi_dev, "Cannot set up interrupt\n");
502 /* Register a config hook to probe the bus for arrays */
503 sc->mfi_ich.ich_func = mfi_startup;
504 sc->mfi_ich.ich_arg = sc;
505 if (config_intrhook_establish(&sc->mfi_ich) != 0) {
506 device_printf(sc->mfi_dev, "Cannot establish configuration "
512 * Register a shutdown handler.
514 if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown,
515 sc, SHUTDOWN_PRI_DEFAULT)) == NULL) {
516 device_printf(sc->mfi_dev, "Warning: shutdown event "
517 "registration failed\n");
521 * Create the control device for doing management
523 unit = device_get_unit(sc->mfi_dev);
524 sc->mfi_cdev = make_dev(&mfi_cdevsw, unit, UID_ROOT, GID_OPERATOR,
525 0640, "mfi%d", unit);
527 make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node");
528 if (sc->mfi_cdev != NULL)
529 sc->mfi_cdev->si_drv1 = sc;
530 SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev),
531 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)),
532 OID_AUTO, "delete_busy_volumes", CTLFLAG_RW,
533 &sc->mfi_delete_busy_volumes, 0, "Allow removal of busy volumes");
534 SYSCTL_ADD_INT(device_get_sysctl_ctx(sc->mfi_dev),
535 SYSCTL_CHILDREN(device_get_sysctl_tree(sc->mfi_dev)),
536 OID_AUTO, "keep_deleted_volumes", CTLFLAG_RW,
537 &sc->mfi_keep_deleted_volumes, 0,
538 "Don't detach the mfid device for a busy volume that is deleted");
540 device_add_child(sc->mfi_dev, "mfip", -1);
541 bus_generic_attach(sc->mfi_dev);
543 /* Start the timeout watchdog */
544 callout_init(&sc->mfi_watchdog_callout, CALLOUT_MPSAFE);
545 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz,
552 mfi_alloc_commands(struct mfi_softc *sc)
554 struct mfi_command *cm;
558 * XXX Should we allocate all the commands up front, or allocate on
559 * demand later like 'aac' does?
561 ncmds = MIN(mfi_max_cmds, sc->mfi_max_fw_cmds);
563 device_printf(sc->mfi_dev, "Max fw cmds= %d, sizing driver "
564 "pool to %d\n", sc->mfi_max_fw_cmds, ncmds);
566 sc->mfi_commands = malloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF,
569 for (i = 0; i < ncmds; i++) {
570 cm = &sc->mfi_commands[i];
571 cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames +
572 sc->mfi_cmd_size * i);
573 cm->cm_frame_busaddr = sc->mfi_frames_busaddr +
574 sc->mfi_cmd_size * i;
575 cm->cm_frame->header.context = i;
576 cm->cm_sense = &sc->mfi_sense[i];
577 cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i;
580 if (bus_dmamap_create(sc->mfi_buffer_dmat, 0,
581 &cm->cm_dmamap) == 0)
582 mfi_release_command(cm);
585 sc->mfi_total_cmds++;
592 mfi_release_command(struct mfi_command *cm)
594 struct mfi_frame_header *hdr;
598 * Zero out the important fields of the frame, but make sure the
599 * context field is preserved. For efficiency, handle the fields
600 * as 32 bit words. Clear out the first S/G entry too for safety.
602 hdr = &cm->cm_frame->header;
603 if (cm->cm_data != NULL && hdr->sg_count) {
604 cm->cm_sg->sg32[0].len = 0;
605 cm->cm_sg->sg32[0].addr = 0;
608 hdr_data = (uint32_t *)cm->cm_frame;
609 hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */
610 hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */
611 hdr_data[4] = 0; /* flags, timeout */
612 hdr_data[5] = 0; /* data_len */
614 cm->cm_extra_frames = 0;
616 cm->cm_complete = NULL;
617 cm->cm_private = NULL;
620 cm->cm_total_frame_size = 0;
622 mfi_enqueue_free(cm);
626 mfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode,
627 void **bufp, size_t bufsize)
629 struct mfi_command *cm;
630 struct mfi_dcmd_frame *dcmd;
633 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
635 cm = mfi_dequeue_free(sc);
639 if ((bufsize > 0) && (bufp != NULL)) {
641 buf = malloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO);
643 mfi_release_command(cm);
652 dcmd = &cm->cm_frame->dcmd;
653 bzero(dcmd->mbox, MFI_MBOX_SIZE);
654 dcmd->header.cmd = MFI_CMD_DCMD;
655 dcmd->header.timeout = 0;
656 dcmd->header.flags = 0;
657 dcmd->header.data_len = bufsize;
658 dcmd->opcode = opcode;
659 cm->cm_sg = &dcmd->sgl;
660 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
663 cm->cm_private = buf;
664 cm->cm_len = bufsize;
667 if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL))
673 mfi_comms_init(struct mfi_softc *sc)
675 struct mfi_command *cm;
676 struct mfi_init_frame *init;
677 struct mfi_init_qinfo *qinfo;
680 mtx_lock(&sc->mfi_io_lock);
681 if ((cm = mfi_dequeue_free(sc)) == NULL)
685 * Abuse the SG list area of the frame to hold the init_qinfo
688 init = &cm->cm_frame->init;
689 qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE);
691 bzero(qinfo, sizeof(struct mfi_init_qinfo));
692 qinfo->rq_entries = sc->mfi_max_fw_cmds + 1;
693 qinfo->rq_addr_lo = sc->mfi_comms_busaddr +
694 offsetof(struct mfi_hwcomms, hw_reply_q);
695 qinfo->pi_addr_lo = sc->mfi_comms_busaddr +
696 offsetof(struct mfi_hwcomms, hw_pi);
697 qinfo->ci_addr_lo = sc->mfi_comms_busaddr +
698 offsetof(struct mfi_hwcomms, hw_ci);
700 init->header.cmd = MFI_CMD_INIT;
701 init->header.data_len = sizeof(struct mfi_init_qinfo);
702 init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE;
704 cm->cm_flags = MFI_CMD_POLLED;
706 if ((error = mfi_mapcmd(sc, cm)) != 0) {
707 device_printf(sc->mfi_dev, "failed to send init command\n");
708 mtx_unlock(&sc->mfi_io_lock);
711 mfi_release_command(cm);
712 mtx_unlock(&sc->mfi_io_lock);
718 mfi_get_controller_info(struct mfi_softc *sc)
720 struct mfi_command *cm = NULL;
721 struct mfi_ctrl_info *ci = NULL;
722 uint32_t max_sectors_1, max_sectors_2;
725 mtx_lock(&sc->mfi_io_lock);
726 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO,
727 (void **)&ci, sizeof(*ci));
730 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
732 if ((error = mfi_mapcmd(sc, cm)) != 0) {
733 device_printf(sc->mfi_dev, "Failed to get controller info\n");
734 sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE /
740 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
741 BUS_DMASYNC_POSTREAD);
742 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
744 max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io;
745 max_sectors_2 = ci->max_request_size;
746 sc->mfi_max_io = min(max_sectors_1, max_sectors_2);
752 mfi_release_command(cm);
753 mtx_unlock(&sc->mfi_io_lock);
758 mfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state)
760 struct mfi_command *cm = NULL;
763 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO,
764 (void **)log_state, sizeof(**log_state));
767 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
769 if ((error = mfi_mapcmd(sc, cm)) != 0) {
770 device_printf(sc->mfi_dev, "Failed to get log state\n");
774 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
775 BUS_DMASYNC_POSTREAD);
776 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
780 mfi_release_command(cm);
786 mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start)
788 struct mfi_evt_log_state *log_state = NULL;
789 union mfi_evt class_locale;
793 class_locale.members.reserved = 0;
794 class_locale.members.locale = mfi_event_locale;
795 class_locale.members.evt_class = mfi_event_class;
797 if (seq_start == 0) {
798 error = mfi_get_log_state(sc, &log_state);
801 free(log_state, M_MFIBUF);
806 * Walk through any events that fired since the last
809 mfi_parse_entries(sc, log_state->shutdown_seq_num,
810 log_state->newest_seq_num);
811 seq = log_state->newest_seq_num;
814 mfi_aen_register(sc, seq, class_locale.word);
815 free(log_state, M_MFIBUF);
821 mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm)
824 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
825 cm->cm_complete = NULL;
829 * MegaCli can issue a DCMD of 0. In this case do nothing
830 * and return 0 to it as status
832 if (cm->cm_frame->dcmd.opcode == 0) {
833 cm->cm_frame->header.cmd_status = MFI_STAT_OK;
835 return (cm->cm_error);
837 mfi_enqueue_ready(cm);
839 if ((cm->cm_flags & MFI_CMD_COMPLETED) == 0)
840 msleep(cm, &sc->mfi_io_lock, PRIBIO, "mfiwait", 0);
841 return (cm->cm_error);
845 mfi_free(struct mfi_softc *sc)
847 struct mfi_command *cm;
850 callout_drain(&sc->mfi_watchdog_callout);
852 if (sc->mfi_cdev != NULL)
853 destroy_dev(sc->mfi_cdev);
855 if (sc->mfi_total_cmds != 0) {
856 for (i = 0; i < sc->mfi_total_cmds; i++) {
857 cm = &sc->mfi_commands[i];
858 bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap);
860 free(sc->mfi_commands, M_MFIBUF);
864 bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr);
865 if (sc->mfi_irq != NULL)
866 bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid,
869 if (sc->mfi_sense_busaddr != 0)
870 bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap);
871 if (sc->mfi_sense != NULL)
872 bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense,
873 sc->mfi_sense_dmamap);
874 if (sc->mfi_sense_dmat != NULL)
875 bus_dma_tag_destroy(sc->mfi_sense_dmat);
877 if (sc->mfi_frames_busaddr != 0)
878 bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap);
879 if (sc->mfi_frames != NULL)
880 bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames,
881 sc->mfi_frames_dmamap);
882 if (sc->mfi_frames_dmat != NULL)
883 bus_dma_tag_destroy(sc->mfi_frames_dmat);
885 if (sc->mfi_comms_busaddr != 0)
886 bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap);
887 if (sc->mfi_comms != NULL)
888 bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms,
889 sc->mfi_comms_dmamap);
890 if (sc->mfi_comms_dmat != NULL)
891 bus_dma_tag_destroy(sc->mfi_comms_dmat);
893 if (sc->mfi_buffer_dmat != NULL)
894 bus_dma_tag_destroy(sc->mfi_buffer_dmat);
895 if (sc->mfi_parent_dmat != NULL)
896 bus_dma_tag_destroy(sc->mfi_parent_dmat);
898 if (mtx_initialized(&sc->mfi_io_lock)) {
899 mtx_destroy(&sc->mfi_io_lock);
900 sx_destroy(&sc->mfi_config_lock);
907 mfi_startup(void *arg)
909 struct mfi_softc *sc;
911 sc = (struct mfi_softc *)arg;
913 config_intrhook_disestablish(&sc->mfi_ich);
915 sc->mfi_enable_intr(sc);
916 sx_xlock(&sc->mfi_config_lock);
917 mtx_lock(&sc->mfi_io_lock);
919 mtx_unlock(&sc->mfi_io_lock);
920 sx_xunlock(&sc->mfi_config_lock);
926 struct mfi_softc *sc;
927 struct mfi_command *cm;
928 uint32_t pi, ci, context;
930 sc = (struct mfi_softc *)arg;
932 if (sc->mfi_check_clear_intr(sc))
936 * Do a dummy read to flush the interrupt ACK that we just performed,
937 * ensuring that everything is really, truly consistent.
939 (void)sc->mfi_read_fw_status(sc);
941 pi = sc->mfi_comms->hw_pi;
942 ci = sc->mfi_comms->hw_ci;
943 mtx_lock(&sc->mfi_io_lock);
945 context = sc->mfi_comms->hw_reply_q[ci];
946 if (context < sc->mfi_max_fw_cmds) {
947 cm = &sc->mfi_commands[context];
950 mfi_complete(sc, cm);
952 if (++ci == (sc->mfi_max_fw_cmds + 1)) {
957 sc->mfi_comms->hw_ci = ci;
959 /* Give defered I/O a chance to run */
960 if (sc->mfi_flags & MFI_FLAGS_QFRZN)
961 sc->mfi_flags &= ~MFI_FLAGS_QFRZN;
963 mtx_unlock(&sc->mfi_io_lock);
969 mfi_shutdown(struct mfi_softc *sc)
971 struct mfi_dcmd_frame *dcmd;
972 struct mfi_command *cm;
975 mtx_lock(&sc->mfi_io_lock);
976 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0);
978 mtx_unlock(&sc->mfi_io_lock);
982 if (sc->mfi_aen_cm != NULL)
983 mfi_abort(sc, sc->mfi_aen_cm);
985 dcmd = &cm->cm_frame->dcmd;
986 dcmd->header.flags = MFI_FRAME_DIR_NONE;
987 cm->cm_flags = MFI_CMD_POLLED;
990 if ((error = mfi_mapcmd(sc, cm)) != 0) {
991 device_printf(sc->mfi_dev, "Failed to shutdown controller\n");
994 mfi_release_command(cm);
995 mtx_unlock(&sc->mfi_io_lock);
1000 mfi_ldprobe(struct mfi_softc *sc)
1002 struct mfi_frame_header *hdr;
1003 struct mfi_command *cm = NULL;
1004 struct mfi_ld_list *list = NULL;
1005 struct mfi_disk *ld;
1008 sx_assert(&sc->mfi_config_lock, SA_XLOCKED);
1009 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
1011 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST,
1012 (void **)&list, sizeof(*list));
1016 cm->cm_flags = MFI_CMD_DATAIN;
1017 if (mfi_wait_command(sc, cm) != 0) {
1018 device_printf(sc->mfi_dev, "Failed to get device listing\n");
1022 hdr = &cm->cm_frame->header;
1023 if (hdr->cmd_status != MFI_STAT_OK) {
1024 device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n",
1029 for (i = 0; i < list->ld_count; i++) {
1030 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1031 if (ld->ld_id == list->ld_list[i].ld.v.target_id)
1034 mfi_add_ld(sc, list->ld_list[i].ld.v.target_id);
1039 free(list, M_MFIBUF);
1041 mfi_release_command(cm);
1047 * The timestamp is the number of seconds since 00:00 Jan 1, 2000. If
1048 * the bits in 24-31 are all set, then it is the number of seconds since
1052 format_timestamp(uint32_t timestamp)
1054 static char buffer[32];
1056 if ((timestamp & 0xff000000) == 0xff000000)
1057 snprintf(buffer, sizeof(buffer), "boot + %us", timestamp &
1060 snprintf(buffer, sizeof(buffer), "%us", timestamp);
1065 format_class(int8_t class)
1067 static char buffer[6];
1070 case MFI_EVT_CLASS_DEBUG:
1072 case MFI_EVT_CLASS_PROGRESS:
1073 return ("progress");
1074 case MFI_EVT_CLASS_INFO:
1076 case MFI_EVT_CLASS_WARNING:
1078 case MFI_EVT_CLASS_CRITICAL:
1080 case MFI_EVT_CLASS_FATAL:
1082 case MFI_EVT_CLASS_DEAD:
1085 snprintf(buffer, sizeof(buffer), "%d", class);
1091 mfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail)
1094 device_printf(sc->mfi_dev, "%d (%s/0x%04x/%s) - %s\n", detail->seq,
1095 format_timestamp(detail->time), detail->evt_class.members.locale,
1096 format_class(detail->evt_class.members.evt_class), detail->description);
1100 mfi_aen_register(struct mfi_softc *sc, int seq, int locale)
1102 struct mfi_command *cm;
1103 struct mfi_dcmd_frame *dcmd;
1104 union mfi_evt current_aen, prior_aen;
1105 struct mfi_evt_detail *ed = NULL;
1108 current_aen.word = locale;
1109 if (sc->mfi_aen_cm != NULL) {
1111 ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1];
1112 if (prior_aen.members.evt_class <= current_aen.members.evt_class &&
1113 !((prior_aen.members.locale & current_aen.members.locale)
1114 ^current_aen.members.locale)) {
1117 prior_aen.members.locale |= current_aen.members.locale;
1118 if (prior_aen.members.evt_class
1119 < current_aen.members.evt_class)
1120 current_aen.members.evt_class =
1121 prior_aen.members.evt_class;
1122 mfi_abort(sc, sc->mfi_aen_cm);
1126 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT,
1127 (void **)&ed, sizeof(*ed));
1132 dcmd = &cm->cm_frame->dcmd;
1133 ((uint32_t *)&dcmd->mbox)[0] = seq;
1134 ((uint32_t *)&dcmd->mbox)[1] = locale;
1135 cm->cm_flags = MFI_CMD_DATAIN;
1136 cm->cm_complete = mfi_aen_complete;
1138 sc->mfi_aen_cm = cm;
1140 mfi_enqueue_ready(cm);
1148 mfi_aen_complete(struct mfi_command *cm)
1150 struct mfi_frame_header *hdr;
1151 struct mfi_softc *sc;
1152 struct mfi_evt_detail *detail;
1153 struct mfi_aen *mfi_aen_entry, *tmp;
1154 int seq = 0, aborted = 0;
1157 hdr = &cm->cm_frame->header;
1159 if (sc->mfi_aen_cm == NULL)
1162 if (sc->mfi_aen_cm->cm_aen_abort ||
1163 hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
1164 sc->mfi_aen_cm->cm_aen_abort = 0;
1167 sc->mfi_aen_triggered = 1;
1168 if (sc->mfi_poll_waiting) {
1169 sc->mfi_poll_waiting = 0;
1170 selwakeup(&sc->mfi_select);
1172 detail = cm->cm_data;
1174 * XXX If this function is too expensive or is recursive, then
1175 * events should be put onto a queue and processed later.
1177 mfi_decode_evt(sc, detail);
1178 seq = detail->seq + 1;
1179 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) {
1180 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
1182 PROC_LOCK(mfi_aen_entry->p);
1183 kern_psignal(mfi_aen_entry->p, SIGIO);
1184 PROC_UNLOCK(mfi_aen_entry->p);
1185 free(mfi_aen_entry, M_MFIBUF);
1189 free(cm->cm_data, M_MFIBUF);
1190 sc->mfi_aen_cm = NULL;
1191 wakeup(&sc->mfi_aen_cm);
1192 mfi_release_command(cm);
1194 /* set it up again so the driver can catch more events */
1196 mfi_aen_setup(sc, seq);
1200 #define MAX_EVENTS 15
1203 mfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq)
1205 struct mfi_command *cm;
1206 struct mfi_dcmd_frame *dcmd;
1207 struct mfi_evt_list *el;
1208 union mfi_evt class_locale;
1209 int error, i, seq, size;
1211 class_locale.members.reserved = 0;
1212 class_locale.members.locale = mfi_event_locale;
1213 class_locale.members.evt_class = mfi_event_class;
1215 size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail)
1217 el = malloc(size, M_MFIBUF, M_NOWAIT | M_ZERO);
1221 for (seq = start_seq;;) {
1222 if ((cm = mfi_dequeue_free(sc)) == NULL) {
1227 dcmd = &cm->cm_frame->dcmd;
1228 bzero(dcmd->mbox, MFI_MBOX_SIZE);
1229 dcmd->header.cmd = MFI_CMD_DCMD;
1230 dcmd->header.timeout = 0;
1231 dcmd->header.data_len = size;
1232 dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET;
1233 ((uint32_t *)&dcmd->mbox)[0] = seq;
1234 ((uint32_t *)&dcmd->mbox)[1] = class_locale.word;
1235 cm->cm_sg = &dcmd->sgl;
1236 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
1237 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
1241 if ((error = mfi_mapcmd(sc, cm)) != 0) {
1242 device_printf(sc->mfi_dev,
1243 "Failed to get controller entries\n");
1244 mfi_release_command(cm);
1248 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
1249 BUS_DMASYNC_POSTREAD);
1250 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
1252 if (dcmd->header.cmd_status == MFI_STAT_NOT_FOUND) {
1253 mfi_release_command(cm);
1256 if (dcmd->header.cmd_status != MFI_STAT_OK) {
1257 device_printf(sc->mfi_dev,
1258 "Error %d fetching controller entries\n",
1259 dcmd->header.cmd_status);
1260 mfi_release_command(cm);
1263 mfi_release_command(cm);
1265 for (i = 0; i < el->count; i++) {
1267 * If this event is newer than 'stop_seq' then
1268 * break out of the loop. Note that the log
1269 * is a circular buffer so we have to handle
1270 * the case that our stop point is earlier in
1271 * the buffer than our start point.
1273 if (el->event[i].seq >= stop_seq) {
1274 if (start_seq <= stop_seq)
1276 else if (el->event[i].seq < start_seq)
1279 mfi_decode_evt(sc, &el->event[i]);
1281 seq = el->event[el->count - 1].seq + 1;
1289 mfi_add_ld(struct mfi_softc *sc, int id)
1291 struct mfi_command *cm;
1292 struct mfi_dcmd_frame *dcmd = NULL;
1293 struct mfi_ld_info *ld_info = NULL;
1296 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
1298 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO,
1299 (void **)&ld_info, sizeof(*ld_info));
1301 device_printf(sc->mfi_dev,
1302 "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error);
1304 free(ld_info, M_MFIBUF);
1307 cm->cm_flags = MFI_CMD_DATAIN;
1308 dcmd = &cm->cm_frame->dcmd;
1310 if (mfi_wait_command(sc, cm) != 0) {
1311 device_printf(sc->mfi_dev,
1312 "Failed to get logical drive: %d\n", id);
1313 free(ld_info, M_MFIBUF);
1317 mfi_add_ld_complete(cm);
1322 mfi_add_ld_complete(struct mfi_command *cm)
1324 struct mfi_frame_header *hdr;
1325 struct mfi_ld_info *ld_info;
1326 struct mfi_softc *sc;
1330 hdr = &cm->cm_frame->header;
1331 ld_info = cm->cm_private;
1333 if (hdr->cmd_status != MFI_STAT_OK) {
1334 free(ld_info, M_MFIBUF);
1335 mfi_release_command(cm);
1338 mfi_release_command(cm);
1340 mtx_unlock(&sc->mfi_io_lock);
1342 if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) {
1343 device_printf(sc->mfi_dev, "Failed to add logical disk\n");
1344 free(ld_info, M_MFIBUF);
1346 mtx_lock(&sc->mfi_io_lock);
1350 device_set_ivars(child, ld_info);
1351 device_set_desc(child, "MFI Logical Disk");
1352 bus_generic_attach(sc->mfi_dev);
1354 mtx_lock(&sc->mfi_io_lock);
1357 static struct mfi_command *
1358 mfi_bio_command(struct mfi_softc *sc)
1360 struct mfi_io_frame *io;
1361 struct mfi_command *cm;
1363 int flags, blkcount;
1365 if ((cm = mfi_dequeue_free(sc)) == NULL)
1368 if ((bio = mfi_dequeue_bio(sc)) == NULL) {
1369 mfi_release_command(cm);
1373 io = &cm->cm_frame->io;
1374 switch (bio->bio_cmd & 0x03) {
1376 io->header.cmd = MFI_CMD_LD_READ;
1377 flags = MFI_CMD_DATAIN;
1380 io->header.cmd = MFI_CMD_LD_WRITE;
1381 flags = MFI_CMD_DATAOUT;
1384 panic("Invalid bio command");
1387 /* Cheat with the sector length to avoid a non-constant division */
1388 blkcount = (bio->bio_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
1389 io->header.target_id = (uintptr_t)bio->bio_driver1;
1390 io->header.timeout = 0;
1391 io->header.flags = 0;
1392 io->header.sense_len = MFI_SENSE_LEN;
1393 io->header.data_len = blkcount;
1394 io->sense_addr_lo = cm->cm_sense_busaddr;
1395 io->sense_addr_hi = 0;
1396 io->lba_hi = (bio->bio_pblkno & 0xffffffff00000000) >> 32;
1397 io->lba_lo = bio->bio_pblkno & 0xffffffff;
1398 cm->cm_complete = mfi_bio_complete;
1399 cm->cm_private = bio;
1400 cm->cm_data = bio->bio_data;
1401 cm->cm_len = bio->bio_bcount;
1402 cm->cm_sg = &io->sgl;
1403 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE;
1404 cm->cm_flags = flags;
1409 mfi_bio_complete(struct mfi_command *cm)
1412 struct mfi_frame_header *hdr;
1413 struct mfi_softc *sc;
1415 bio = cm->cm_private;
1416 hdr = &cm->cm_frame->header;
1419 if ((hdr->cmd_status != MFI_STAT_OK) || (hdr->scsi_status != 0)) {
1420 bio->bio_flags |= BIO_ERROR;
1421 bio->bio_error = EIO;
1422 device_printf(sc->mfi_dev, "I/O error, status= %d "
1423 "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status);
1424 mfi_print_sense(cm->cm_sc, cm->cm_sense);
1425 } else if (cm->cm_error != 0) {
1426 bio->bio_flags |= BIO_ERROR;
1429 mfi_release_command(cm);
1430 mfi_disk_complete(bio);
1434 mfi_startio(struct mfi_softc *sc)
1436 struct mfi_command *cm;
1437 struct ccb_hdr *ccbh;
1440 /* Don't bother if we're short on resources */
1441 if (sc->mfi_flags & MFI_FLAGS_QFRZN)
1444 /* Try a command that has already been prepared */
1445 cm = mfi_dequeue_ready(sc);
1448 if ((ccbh = TAILQ_FIRST(&sc->mfi_cam_ccbq)) != NULL)
1449 cm = sc->mfi_cam_start(ccbh);
1452 /* Nope, so look for work on the bioq */
1454 cm = mfi_bio_command(sc);
1456 /* No work available, so exit */
1460 /* Send the command to the controller */
1461 if (mfi_mapcmd(sc, cm) != 0) {
1462 mfi_requeue_ready(cm);
1469 mfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm)
1473 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
1475 if (cm->cm_data != NULL) {
1476 polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0;
1477 error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap,
1478 cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled);
1479 if (error == EINPROGRESS) {
1480 sc->mfi_flags |= MFI_FLAGS_QFRZN;
1484 error = mfi_send_frame(sc, cm);
1491 mfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1493 struct mfi_frame_header *hdr;
1494 struct mfi_command *cm;
1496 struct mfi_softc *sc;
1497 int i, j, first, dir;
1499 cm = (struct mfi_command *)arg;
1501 hdr = &cm->cm_frame->header;
1505 printf("error %d in callback\n", error);
1506 cm->cm_error = error;
1507 mfi_complete(sc, cm);
1512 if (cm->cm_frame->header.cmd == MFI_CMD_STP) {
1513 first = cm->cm_stp_len;
1514 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) {
1515 sgl->sg32[j].addr = segs[0].ds_addr;
1516 sgl->sg32[j++].len = first;
1518 sgl->sg64[j].addr = segs[0].ds_addr;
1519 sgl->sg64[j++].len = first;
1523 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) {
1524 for (i = 0; i < nsegs; i++) {
1525 sgl->sg32[j].addr = segs[i].ds_addr + first;
1526 sgl->sg32[j++].len = segs[i].ds_len - first;
1530 for (i = 0; i < nsegs; i++) {
1531 sgl->sg64[j].addr = segs[i].ds_addr + first;
1532 sgl->sg64[j++].len = segs[i].ds_len - first;
1535 hdr->flags |= MFI_FRAME_SGL64;
1540 if (cm->cm_flags & MFI_CMD_DATAIN) {
1541 dir |= BUS_DMASYNC_PREREAD;
1542 hdr->flags |= MFI_FRAME_DIR_READ;
1544 if (cm->cm_flags & MFI_CMD_DATAOUT) {
1545 dir |= BUS_DMASYNC_PREWRITE;
1546 hdr->flags |= MFI_FRAME_DIR_WRITE;
1548 if (cm->cm_frame->header.cmd == MFI_CMD_STP)
1549 dir |= BUS_DMASYNC_PREWRITE;
1550 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir);
1551 cm->cm_flags |= MFI_CMD_MAPPED;
1554 * Instead of calculating the total number of frames in the
1555 * compound frame, it's already assumed that there will be at
1556 * least 1 frame, so don't compensate for the modulo of the
1557 * following division.
1559 cm->cm_total_frame_size += (sc->mfi_sge_size * nsegs);
1560 cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE;
1562 mfi_send_frame(sc, cm);
1568 mfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm)
1570 struct mfi_frame_header *hdr;
1571 int tm = MFI_POLL_TIMEOUT_SECS * 1000;
1573 hdr = &cm->cm_frame->header;
1575 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) {
1576 cm->cm_timestamp = time_uptime;
1577 mfi_enqueue_busy(cm);
1579 hdr->cmd_status = MFI_STAT_INVALID_STATUS;
1580 hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
1584 * The bus address of the command is aligned on a 64 byte boundary,
1585 * leaving the least 6 bits as zero. For whatever reason, the
1586 * hardware wants the address shifted right by three, leaving just
1587 * 3 zero bits. These three bits are then used as a prefetching
1588 * hint for the hardware to predict how many frames need to be
1589 * fetched across the bus. If a command has more than 8 frames
1590 * then the 3 bits are set to 0x7 and the firmware uses other
1591 * information in the command to determine the total amount to fetch.
1592 * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames
1593 * is enough for both 32bit and 64bit systems.
1595 if (cm->cm_extra_frames > 7)
1596 cm->cm_extra_frames = 7;
1598 sc->mfi_issue_cmd(sc,cm->cm_frame_busaddr,cm->cm_extra_frames);
1600 if ((cm->cm_flags & MFI_CMD_POLLED) == 0)
1603 /* This is a polled command, so busy-wait for it to complete. */
1604 while (hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
1611 if (hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
1612 device_printf(sc->mfi_dev, "Frame %p timed out "
1613 "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode);
1621 mfi_complete(struct mfi_softc *sc, struct mfi_command *cm)
1625 if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) {
1627 if ((cm->cm_flags & MFI_CMD_DATAIN) ||
1628 (cm->cm_frame->header.cmd == MFI_CMD_STP))
1629 dir |= BUS_DMASYNC_POSTREAD;
1630 if (cm->cm_flags & MFI_CMD_DATAOUT)
1631 dir |= BUS_DMASYNC_POSTWRITE;
1633 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir);
1634 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
1635 cm->cm_flags &= ~MFI_CMD_MAPPED;
1638 cm->cm_flags |= MFI_CMD_COMPLETED;
1640 if (cm->cm_complete != NULL)
1641 cm->cm_complete(cm);
1647 mfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort)
1649 struct mfi_command *cm;
1650 struct mfi_abort_frame *abort;
1653 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
1655 if ((cm = mfi_dequeue_free(sc)) == NULL) {
1659 abort = &cm->cm_frame->abort;
1660 abort->header.cmd = MFI_CMD_ABORT;
1661 abort->header.flags = 0;
1662 abort->abort_context = cm_abort->cm_frame->header.context;
1663 abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr;
1664 abort->abort_mfi_addr_hi = 0;
1666 cm->cm_flags = MFI_CMD_POLLED;
1668 sc->mfi_aen_cm->cm_aen_abort = 1;
1670 mfi_release_command(cm);
1672 while (i < 5 && sc->mfi_aen_cm != NULL) {
1673 msleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz);
1681 mfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len)
1683 struct mfi_command *cm;
1684 struct mfi_io_frame *io;
1687 if ((cm = mfi_dequeue_free(sc)) == NULL)
1690 io = &cm->cm_frame->io;
1691 io->header.cmd = MFI_CMD_LD_WRITE;
1692 io->header.target_id = id;
1693 io->header.timeout = 0;
1694 io->header.flags = 0;
1695 io->header.sense_len = MFI_SENSE_LEN;
1696 io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
1697 io->sense_addr_lo = cm->cm_sense_busaddr;
1698 io->sense_addr_hi = 0;
1699 io->lba_hi = (lba & 0xffffffff00000000) >> 32;
1700 io->lba_lo = lba & 0xffffffff;
1703 cm->cm_sg = &io->sgl;
1704 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE;
1705 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT;
1707 error = mfi_mapcmd(sc, cm);
1708 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
1709 BUS_DMASYNC_POSTWRITE);
1710 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
1711 mfi_release_command(cm);
1717 mfi_open(struct cdev *dev, int flags, int fmt, struct thread *td)
1719 struct mfi_softc *sc;
1724 mtx_lock(&sc->mfi_io_lock);
1725 if (sc->mfi_detaching)
1728 sc->mfi_flags |= MFI_FLAGS_OPEN;
1731 mtx_unlock(&sc->mfi_io_lock);
1737 mfi_close(struct cdev *dev, int flags, int fmt, struct thread *td)
1739 struct mfi_softc *sc;
1740 struct mfi_aen *mfi_aen_entry, *tmp;
1744 mtx_lock(&sc->mfi_io_lock);
1745 sc->mfi_flags &= ~MFI_FLAGS_OPEN;
1747 TAILQ_FOREACH_SAFE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) {
1748 if (mfi_aen_entry->p == curproc) {
1749 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
1751 free(mfi_aen_entry, M_MFIBUF);
1754 mtx_unlock(&sc->mfi_io_lock);
1759 mfi_config_lock(struct mfi_softc *sc, uint32_t opcode)
1763 case MFI_DCMD_LD_DELETE:
1764 case MFI_DCMD_CFG_ADD:
1765 case MFI_DCMD_CFG_CLEAR:
1766 sx_xlock(&sc->mfi_config_lock);
1774 mfi_config_unlock(struct mfi_softc *sc, int locked)
1778 sx_xunlock(&sc->mfi_config_lock);
1781 /* Perform pre-issue checks on commands from userland and possibly veto them. */
1783 mfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm)
1785 struct mfi_disk *ld, *ld2;
1788 mtx_assert(&sc->mfi_io_lock, MA_OWNED);
1790 switch (cm->cm_frame->dcmd.opcode) {
1791 case MFI_DCMD_LD_DELETE:
1792 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1793 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0])
1799 error = mfi_disk_disable(ld);
1801 case MFI_DCMD_CFG_CLEAR:
1802 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1803 error = mfi_disk_disable(ld);
1808 TAILQ_FOREACH(ld2, &sc->mfi_ld_tqh, ld_link) {
1811 mfi_disk_enable(ld2);
1821 /* Perform post-issue checks on commands from userland. */
1823 mfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm)
1825 struct mfi_disk *ld, *ldn;
1827 switch (cm->cm_frame->dcmd.opcode) {
1828 case MFI_DCMD_LD_DELETE:
1829 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1830 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0])
1833 KASSERT(ld != NULL, ("volume dissappeared"));
1834 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) {
1835 mtx_unlock(&sc->mfi_io_lock);
1837 device_delete_child(sc->mfi_dev, ld->ld_dev);
1839 mtx_lock(&sc->mfi_io_lock);
1841 mfi_disk_enable(ld);
1843 case MFI_DCMD_CFG_CLEAR:
1844 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) {
1845 mtx_unlock(&sc->mfi_io_lock);
1847 TAILQ_FOREACH_SAFE(ld, &sc->mfi_ld_tqh, ld_link, ldn) {
1848 device_delete_child(sc->mfi_dev, ld->ld_dev);
1851 mtx_lock(&sc->mfi_io_lock);
1853 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link)
1854 mfi_disk_enable(ld);
1857 case MFI_DCMD_CFG_ADD:
1860 case MFI_DCMD_CFG_FOREIGN_IMPORT:
1867 mfi_user_command(struct mfi_softc *sc, struct mfi_ioc_passthru *ioc)
1869 struct mfi_command *cm;
1870 struct mfi_dcmd_frame *dcmd;
1871 void *ioc_buf = NULL;
1873 int error = 0, locked;
1876 if (ioc->buf_size > 0) {
1877 ioc_buf = malloc(ioc->buf_size, M_MFIBUF, M_WAITOK);
1878 if (ioc_buf == NULL) {
1881 error = copyin(ioc->buf, ioc_buf, ioc->buf_size);
1883 device_printf(sc->mfi_dev, "failed to copyin\n");
1884 free(ioc_buf, M_MFIBUF);
1889 locked = mfi_config_lock(sc, ioc->ioc_frame.opcode);
1891 mtx_lock(&sc->mfi_io_lock);
1892 while ((cm = mfi_dequeue_free(sc)) == NULL)
1893 msleep(mfi_user_command, &sc->mfi_io_lock, 0, "mfiioc", hz);
1895 /* Save context for later */
1896 context = cm->cm_frame->header.context;
1898 dcmd = &cm->cm_frame->dcmd;
1899 bcopy(&ioc->ioc_frame, dcmd, sizeof(struct mfi_dcmd_frame));
1901 cm->cm_sg = &dcmd->sgl;
1902 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
1903 cm->cm_data = ioc_buf;
1904 cm->cm_len = ioc->buf_size;
1906 /* restore context */
1907 cm->cm_frame->header.context = context;
1909 /* Cheat since we don't know if we're writing or reading */
1910 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT;
1912 error = mfi_check_command_pre(sc, cm);
1916 error = mfi_wait_command(sc, cm);
1918 device_printf(sc->mfi_dev, "ioctl failed %d\n", error);
1921 bcopy(dcmd, &ioc->ioc_frame, sizeof(struct mfi_dcmd_frame));
1922 mfi_check_command_post(sc, cm);
1924 mfi_release_command(cm);
1925 mtx_unlock(&sc->mfi_io_lock);
1926 mfi_config_unlock(sc, locked);
1927 if (ioc->buf_size > 0)
1928 error = copyout(ioc_buf, ioc->buf, ioc->buf_size);
1930 free(ioc_buf, M_MFIBUF);
1935 #define PTRIN(p) ((void *)(uintptr_t)(p))
1937 #define PTRIN(p) (p)
1941 mfi_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
1943 struct mfi_softc *sc;
1944 union mfi_statrequest *ms;
1945 struct mfi_ioc_packet *ioc;
1947 struct mfi_ioc_packet32 *ioc32;
1949 struct mfi_ioc_aen *aen;
1950 struct mfi_command *cm = NULL;
1952 union mfi_sense_ptr sense_ptr;
1953 uint8_t *data = NULL, *temp, *addr;
1956 struct mfi_ioc_passthru *iop = (struct mfi_ioc_passthru *)arg;
1958 struct mfi_ioc_passthru32 *iop32 = (struct mfi_ioc_passthru32 *)arg;
1959 struct mfi_ioc_passthru iop_swab;
1968 ms = (union mfi_statrequest *)arg;
1969 switch (ms->ms_item) {
1974 bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat,
1975 sizeof(struct mfi_qstat));
1982 case MFIIO_QUERY_DISK:
1984 struct mfi_query_disk *qd;
1985 struct mfi_disk *ld;
1987 qd = (struct mfi_query_disk *)arg;
1988 mtx_lock(&sc->mfi_io_lock);
1989 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1990 if (ld->ld_id == qd->array_id)
1995 mtx_unlock(&sc->mfi_io_lock);
1999 if (ld->ld_flags & MFI_DISK_FLAGS_OPEN)
2001 bzero(qd->devname, SPECNAMELEN + 1);
2002 snprintf(qd->devname, SPECNAMELEN, "mfid%d", ld->ld_unit);
2003 mtx_unlock(&sc->mfi_io_lock);
2011 devclass_t devclass;
2012 ioc = (struct mfi_ioc_packet *)arg;
2015 adapter = ioc->mfi_adapter_no;
2016 if (device_get_unit(sc->mfi_dev) == 0 && adapter != 0) {
2017 devclass = devclass_find("mfi");
2018 sc = devclass_get_softc(devclass, adapter);
2020 mtx_lock(&sc->mfi_io_lock);
2021 if ((cm = mfi_dequeue_free(sc)) == NULL) {
2022 mtx_unlock(&sc->mfi_io_lock);
2025 mtx_unlock(&sc->mfi_io_lock);
2029 * save off original context since copying from user
2030 * will clobber some data
2032 context = cm->cm_frame->header.context;
2034 bcopy(ioc->mfi_frame.raw, cm->cm_frame,
2035 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */
2036 cm->cm_total_frame_size = (sizeof(union mfi_sgl)
2037 * ioc->mfi_sge_count) + ioc->mfi_sgl_off;
2038 if (ioc->mfi_sge_count) {
2040 (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off];
2043 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN)
2044 cm->cm_flags |= MFI_CMD_DATAIN;
2045 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT)
2046 cm->cm_flags |= MFI_CMD_DATAOUT;
2047 /* Legacy app shim */
2048 if (cm->cm_flags == 0)
2049 cm->cm_flags |= MFI_CMD_DATAIN | MFI_CMD_DATAOUT;
2050 cm->cm_len = cm->cm_frame->header.data_len;
2051 if (cm->cm_frame->header.cmd == MFI_CMD_STP) {
2053 if (cmd == MFI_CMD) {
2056 cm->cm_stp_len = ioc->mfi_sgl[0].iov_len;
2059 /* 32bit on 64bit */
2060 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2061 cm->cm_stp_len = ioc32->mfi_sgl[0].iov_len;
2064 cm->cm_len += cm->cm_stp_len;
2067 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) {
2068 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF,
2070 if (cm->cm_data == NULL) {
2071 device_printf(sc->mfi_dev, "Malloc failed\n");
2078 /* restore header context */
2079 cm->cm_frame->header.context = context;
2082 if ((cm->cm_flags & MFI_CMD_DATAOUT) ||
2083 (cm->cm_frame->header.cmd == MFI_CMD_STP)) {
2084 for (i = 0; i < ioc->mfi_sge_count; i++) {
2086 if (cmd == MFI_CMD) {
2089 addr = ioc->mfi_sgl[i].iov_base;
2090 len = ioc->mfi_sgl[i].iov_len;
2093 /* 32bit on 64bit */
2094 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2095 addr = PTRIN(ioc32->mfi_sgl[i].iov_base);
2096 len = ioc32->mfi_sgl[i].iov_len;
2099 error = copyin(addr, temp, len);
2101 device_printf(sc->mfi_dev,
2102 "Copy in failed\n");
2109 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD)
2110 locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode);
2112 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) {
2113 cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr;
2114 cm->cm_frame->pass.sense_addr_hi = 0;
2117 mtx_lock(&sc->mfi_io_lock);
2118 error = mfi_check_command_pre(sc, cm);
2120 mtx_unlock(&sc->mfi_io_lock);
2124 if ((error = mfi_wait_command(sc, cm)) != 0) {
2125 device_printf(sc->mfi_dev,
2126 "Controller polled failed\n");
2127 mtx_unlock(&sc->mfi_io_lock);
2131 mfi_check_command_post(sc, cm);
2132 mtx_unlock(&sc->mfi_io_lock);
2135 if ((cm->cm_flags & MFI_CMD_DATAIN) ||
2136 (cm->cm_frame->header.cmd == MFI_CMD_STP)) {
2137 for (i = 0; i < ioc->mfi_sge_count; i++) {
2139 if (cmd == MFI_CMD) {
2142 addr = ioc->mfi_sgl[i].iov_base;
2143 len = ioc->mfi_sgl[i].iov_len;
2146 /* 32bit on 64bit */
2147 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2148 addr = PTRIN(ioc32->mfi_sgl[i].iov_base);
2149 len = ioc32->mfi_sgl[i].iov_len;
2152 error = copyout(temp, addr, len);
2154 device_printf(sc->mfi_dev,
2155 "Copy out failed\n");
2162 if (ioc->mfi_sense_len) {
2163 /* get user-space sense ptr then copy out sense */
2164 bcopy(&ioc->mfi_frame.raw[ioc->mfi_sense_off],
2165 &sense_ptr.sense_ptr_data[0],
2166 sizeof(sense_ptr.sense_ptr_data));
2168 if (cmd != MFI_CMD) {
2170 * not 64bit native so zero out any address
2172 sense_ptr.addr.high = 0;
2175 error = copyout(cm->cm_sense, sense_ptr.user_space,
2176 ioc->mfi_sense_len);
2178 device_printf(sc->mfi_dev,
2179 "Copy out failed\n");
2184 ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status;
2186 mfi_config_unlock(sc, locked);
2188 free(data, M_MFIBUF);
2190 mtx_lock(&sc->mfi_io_lock);
2191 mfi_release_command(cm);
2192 mtx_unlock(&sc->mfi_io_lock);
2198 aen = (struct mfi_ioc_aen *)arg;
2199 error = mfi_aen_register(sc, aen->aen_seq_num,
2200 aen->aen_class_locale);
2203 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */
2205 devclass_t devclass;
2206 struct mfi_linux_ioc_packet l_ioc;
2209 devclass = devclass_find("mfi");
2210 if (devclass == NULL)
2213 error = copyin(arg, &l_ioc, sizeof(l_ioc));
2216 adapter = l_ioc.lioc_adapter_no;
2217 sc = devclass_get_softc(devclass, adapter);
2220 return (mfi_linux_ioctl_int(sc->mfi_cdev,
2221 cmd, arg, flag, td));
2224 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */
2226 devclass_t devclass;
2227 struct mfi_linux_ioc_aen l_aen;
2230 devclass = devclass_find("mfi");
2231 if (devclass == NULL)
2234 error = copyin(arg, &l_aen, sizeof(l_aen));
2237 adapter = l_aen.laen_adapter_no;
2238 sc = devclass_get_softc(devclass, adapter);
2241 return (mfi_linux_ioctl_int(sc->mfi_cdev,
2242 cmd, arg, flag, td));
2246 case MFIIO_PASSTHRU32:
2247 iop_swab.ioc_frame = iop32->ioc_frame;
2248 iop_swab.buf_size = iop32->buf_size;
2249 iop_swab.buf = PTRIN(iop32->buf);
2253 case MFIIO_PASSTHRU:
2254 error = mfi_user_command(sc, iop);
2256 if (cmd == MFIIO_PASSTHRU32)
2257 iop32->ioc_frame = iop_swab.ioc_frame;
2261 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd);
2270 mfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag, struct thread *td)
2272 struct mfi_softc *sc;
2273 struct mfi_linux_ioc_packet l_ioc;
2274 struct mfi_linux_ioc_aen l_aen;
2275 struct mfi_command *cm = NULL;
2276 struct mfi_aen *mfi_aen_entry;
2277 union mfi_sense_ptr sense_ptr;
2279 uint8_t *data = NULL, *temp;
2286 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */
2287 error = copyin(arg, &l_ioc, sizeof(l_ioc));
2291 if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) {
2295 mtx_lock(&sc->mfi_io_lock);
2296 if ((cm = mfi_dequeue_free(sc)) == NULL) {
2297 mtx_unlock(&sc->mfi_io_lock);
2300 mtx_unlock(&sc->mfi_io_lock);
2304 * save off original context since copying from user
2305 * will clobber some data
2307 context = cm->cm_frame->header.context;
2309 bcopy(l_ioc.lioc_frame.raw, cm->cm_frame,
2310 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */
2311 cm->cm_total_frame_size = (sizeof(union mfi_sgl)
2312 * l_ioc.lioc_sge_count) + l_ioc.lioc_sgl_off;
2313 if (l_ioc.lioc_sge_count)
2315 (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off];
2317 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN)
2318 cm->cm_flags |= MFI_CMD_DATAIN;
2319 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT)
2320 cm->cm_flags |= MFI_CMD_DATAOUT;
2321 cm->cm_len = cm->cm_frame->header.data_len;
2323 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) {
2324 cm->cm_data = data = malloc(cm->cm_len, M_MFIBUF,
2326 if (cm->cm_data == NULL) {
2327 device_printf(sc->mfi_dev, "Malloc failed\n");
2334 /* restore header context */
2335 cm->cm_frame->header.context = context;
2338 if (cm->cm_flags & MFI_CMD_DATAOUT) {
2339 for (i = 0; i < l_ioc.lioc_sge_count; i++) {
2340 error = copyin(PTRIN(l_ioc.lioc_sgl[i].iov_base),
2342 l_ioc.lioc_sgl[i].iov_len);
2344 device_printf(sc->mfi_dev,
2345 "Copy in failed\n");
2348 temp = &temp[l_ioc.lioc_sgl[i].iov_len];
2352 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD)
2353 locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode);
2355 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) {
2356 cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr;
2357 cm->cm_frame->pass.sense_addr_hi = 0;
2360 mtx_lock(&sc->mfi_io_lock);
2361 error = mfi_check_command_pre(sc, cm);
2363 mtx_unlock(&sc->mfi_io_lock);
2367 if ((error = mfi_wait_command(sc, cm)) != 0) {
2368 device_printf(sc->mfi_dev,
2369 "Controller polled failed\n");
2370 mtx_unlock(&sc->mfi_io_lock);
2374 mfi_check_command_post(sc, cm);
2375 mtx_unlock(&sc->mfi_io_lock);
2378 if (cm->cm_flags & MFI_CMD_DATAIN) {
2379 for (i = 0; i < l_ioc.lioc_sge_count; i++) {
2380 error = copyout(temp,
2381 PTRIN(l_ioc.lioc_sgl[i].iov_base),
2382 l_ioc.lioc_sgl[i].iov_len);
2384 device_printf(sc->mfi_dev,
2385 "Copy out failed\n");
2388 temp = &temp[l_ioc.lioc_sgl[i].iov_len];
2392 if (l_ioc.lioc_sense_len) {
2393 /* get user-space sense ptr then copy out sense */
2394 bcopy(&((struct mfi_linux_ioc_packet*)arg)
2395 ->lioc_frame.raw[l_ioc.lioc_sense_off],
2396 &sense_ptr.sense_ptr_data[0],
2397 sizeof(sense_ptr.sense_ptr_data));
2400 * only 32bit Linux support so zero out any
2401 * address over 32bit
2403 sense_ptr.addr.high = 0;
2405 error = copyout(cm->cm_sense, sense_ptr.user_space,
2406 l_ioc.lioc_sense_len);
2408 device_printf(sc->mfi_dev,
2409 "Copy out failed\n");
2414 error = copyout(&cm->cm_frame->header.cmd_status,
2415 &((struct mfi_linux_ioc_packet*)arg)
2416 ->lioc_frame.hdr.cmd_status,
2419 device_printf(sc->mfi_dev,
2420 "Copy out failed\n");
2425 mfi_config_unlock(sc, locked);
2427 free(data, M_MFIBUF);
2429 mtx_lock(&sc->mfi_io_lock);
2430 mfi_release_command(cm);
2431 mtx_unlock(&sc->mfi_io_lock);
2435 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */
2436 error = copyin(arg, &l_aen, sizeof(l_aen));
2439 printf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid);
2440 mfi_aen_entry = malloc(sizeof(struct mfi_aen), M_MFIBUF,
2442 mtx_lock(&sc->mfi_io_lock);
2443 if (mfi_aen_entry != NULL) {
2444 mfi_aen_entry->p = curproc;
2445 TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry,
2448 error = mfi_aen_register(sc, l_aen.laen_seq_num,
2449 l_aen.laen_class_locale);
2452 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
2454 free(mfi_aen_entry, M_MFIBUF);
2456 mtx_unlock(&sc->mfi_io_lock);
2460 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd);
2469 mfi_poll(struct cdev *dev, int poll_events, struct thread *td)
2471 struct mfi_softc *sc;
2476 if (poll_events & (POLLIN | POLLRDNORM)) {
2477 if (sc->mfi_aen_triggered != 0) {
2478 revents |= poll_events & (POLLIN | POLLRDNORM);
2479 sc->mfi_aen_triggered = 0;
2481 if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL) {
2487 if (poll_events & (POLLIN | POLLRDNORM)) {
2488 sc->mfi_poll_waiting = 1;
2489 selrecord(td, &sc->mfi_select);
2500 struct mfi_softc *sc;
2501 struct mfi_command *cm;
2507 dc = devclass_find("mfi");
2509 printf("No mfi dev class\n");
2513 for (i = 0; ; i++) {
2514 sc = devclass_get_softc(dc, i);
2517 device_printf(sc->mfi_dev, "Dumping\n\n");
2519 deadline = time_uptime - MFI_CMD_TIMEOUT;
2520 mtx_lock(&sc->mfi_io_lock);
2521 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) {
2522 if (cm->cm_timestamp < deadline) {
2523 device_printf(sc->mfi_dev,
2524 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm,
2525 (int)(time_uptime - cm->cm_timestamp));
2536 mtx_unlock(&sc->mfi_io_lock);
2543 mfi_timeout(void *data)
2545 struct mfi_softc *sc = (struct mfi_softc *)data;
2546 struct mfi_command *cm;
2550 deadline = time_uptime - MFI_CMD_TIMEOUT;
2551 mtx_lock(&sc->mfi_io_lock);
2552 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) {
2553 if (sc->mfi_aen_cm == cm)
2555 if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) {
2556 device_printf(sc->mfi_dev,
2557 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm,
2558 (int)(time_uptime - cm->cm_timestamp));
2560 MFI_VALIDATE_CMD(sc, cm);
2570 mtx_unlock(&sc->mfi_io_lock);
2572 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz,