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 * Redistribution and use in source and binary forms, with or without
54 * modification, are permitted provided that the following conditions
57 * Copyright 1994-2009 The FreeBSD Project.
58 * All rights reserved.
60 * 1. Redistributions of source code must retain the above copyright
61 * notice, this list of conditions and the following disclaimer.
62 * 2. Redistributions in binary form must reproduce the above copyright
63 * notice, this list of conditions and the following disclaimer in the
64 * documentation and/or other materials provided with the distribution.
66 * THIS SOFTWARE IS PROVIDED BY THE FREEBSD PROJECT``AS IS'' AND
67 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
68 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
69 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FREEBSD PROJECT OR
70 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
71 * EXEMPLARY,OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
72 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
73 * PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY THEORY
74 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
75 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
76 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
78 * The views and conclusions contained in the software and documentation
79 * are those of the authors and should not be interpreted as representing
80 * official policies,either expressed or implied, of the FreeBSD Project.
82 * $FreeBSD: src/sys/dev/mfi/mfi.c,v 1.62 2011/11/09 21:53:49 delphij Exp $
87 #include <sys/param.h>
88 #include <sys/systm.h>
89 #include <sys/sysctl.h>
90 #include <sys/malloc.h>
91 #include <sys/kernel.h>
93 #include <sys/eventhandler.h>
95 #include <sys/bus_dma.h>
97 #include <sys/ioccom.h>
100 #include <sys/signalvar.h>
101 #include <sys/device.h>
102 #include <sys/mplock2.h>
104 #include <bus/cam/scsi/scsi_all.h>
106 #include <bus/pci/pcivar.h>
108 #include <dev/raid/mfi/mfireg.h>
109 #include <dev/raid/mfi/mfi_ioctl.h>
110 #include <dev/raid/mfi/mfivar.h>
112 static int mfi_alloc_commands(struct mfi_softc *);
113 static int mfi_comms_init(struct mfi_softc *);
114 static int mfi_wait_command(struct mfi_softc *, struct mfi_command *);
115 static int mfi_get_controller_info(struct mfi_softc *);
116 static int mfi_get_log_state(struct mfi_softc *,
117 struct mfi_evt_log_state **);
118 static int mfi_parse_entries(struct mfi_softc *, int, int);
119 static int mfi_dcmd_command(struct mfi_softc *, struct mfi_command **,
120 uint32_t, void **, size_t);
121 static void mfi_data_cb(void *, bus_dma_segment_t *, int, int);
122 static void mfi_startup(void *arg);
123 static void mfi_intr(void *arg);
124 static void mfi_ldprobe(struct mfi_softc *sc);
125 static void mfi_syspdprobe(struct mfi_softc *sc);
126 static int mfi_aen_register(struct mfi_softc *sc, int seq, int locale);
127 static void mfi_aen_complete(struct mfi_command *);
128 static int mfi_aen_setup(struct mfi_softc *, uint32_t);
129 static int mfi_add_ld(struct mfi_softc *sc, int);
130 static void mfi_add_ld_complete(struct mfi_command *);
131 static int mfi_add_sys_pd(struct mfi_softc *sc, int);
132 static void mfi_add_sys_pd_complete(struct mfi_command *);
133 static struct mfi_command * mfi_bio_command(struct mfi_softc *);
134 static void mfi_bio_complete(struct mfi_command *);
135 static struct mfi_command * mfi_build_ldio(struct mfi_softc *,struct bio*);
136 static struct mfi_command * mfi_build_syspdio(struct mfi_softc *,struct bio*);
137 static int mfi_mapcmd(struct mfi_softc *, struct mfi_command *);
138 static int mfi_send_frame(struct mfi_softc *, struct mfi_command *);
139 static void mfi_complete(struct mfi_softc *, struct mfi_command *);
140 static int mfi_abort(struct mfi_softc *, struct mfi_command *);
141 static int mfi_linux_ioctl_int(struct cdev *, u_long, caddr_t, int);
142 static void mfi_timeout(void *);
143 static int mfi_user_command(struct mfi_softc *,
144 struct mfi_ioc_passthru *);
145 static void mfi_enable_intr_xscale(struct mfi_softc *sc);
146 static void mfi_enable_intr_ppc(struct mfi_softc *sc);
147 static int32_t mfi_read_fw_status_xscale(struct mfi_softc *sc);
148 static int32_t mfi_read_fw_status_ppc(struct mfi_softc *sc);
149 static int mfi_check_clear_intr_xscale(struct mfi_softc *sc);
150 static int mfi_check_clear_intr_ppc(struct mfi_softc *sc);
151 static void mfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt);
152 static void mfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt);
153 static void mfi_filter_detach(struct knote *);
154 static int mfi_filter_read(struct knote *, long);
155 static int mfi_filter_write(struct knote *, long);
157 SYSCTL_NODE(_hw, OID_AUTO, mfi, CTLFLAG_RD, 0, "MFI driver parameters");
158 static int mfi_event_locale = MFI_EVT_LOCALE_ALL;
159 TUNABLE_INT("hw.mfi.event_locale", &mfi_event_locale);
160 SYSCTL_INT(_hw_mfi, OID_AUTO, event_locale, CTLFLAG_RW, &mfi_event_locale,
161 0, "event message locale");
163 static int mfi_event_class = MFI_EVT_CLASS_INFO;
164 TUNABLE_INT("hw.mfi.event_class", &mfi_event_class);
165 SYSCTL_INT(_hw_mfi, OID_AUTO, event_class, CTLFLAG_RW, &mfi_event_class,
166 0, "event message class");
168 static int mfi_max_cmds = 128;
169 TUNABLE_INT("hw.mfi.max_cmds", &mfi_max_cmds);
170 SYSCTL_INT(_hw_mfi, OID_AUTO, max_cmds, CTLFLAG_RD, &mfi_max_cmds,
173 static int mfi_msi_enable = 1;
174 TUNABLE_INT("hw.mfi.msi.enable", &mfi_msi_enable);
176 /* Management interface */
177 static d_open_t mfi_open;
178 static d_close_t mfi_close;
179 static d_ioctl_t mfi_ioctl;
180 static d_kqfilter_t mfi_kqfilter;
182 static struct dev_ops mfi_ops = {
185 .d_close = mfi_close,
186 .d_ioctl = mfi_ioctl,
187 .d_kqfilter = mfi_kqfilter,
190 static struct filterops mfi_read_filterops =
191 { FILTEROP_ISFD, NULL, mfi_filter_detach, mfi_filter_read };
192 static struct filterops mfi_write_filterops =
193 { FILTEROP_ISFD, NULL, mfi_filter_detach, mfi_filter_write };
195 MALLOC_DEFINE(M_MFIBUF, "mfibuf", "Buffers for the MFI driver");
197 #define MFI_INQ_LENGTH SHORT_INQUIRY_LENGTH
200 mfi_enable_intr_xscale(struct mfi_softc *sc)
202 MFI_WRITE4(sc, MFI_OMSK, 0x01);
206 mfi_enable_intr_ppc(struct mfi_softc *sc)
208 if (sc->mfi_flags & MFI_FLAGS_1078) {
209 MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF);
210 MFI_WRITE4(sc, MFI_OMSK, ~MFI_1078_EIM);
211 } else if (sc->mfi_flags & MFI_FLAGS_GEN2) {
212 MFI_WRITE4(sc, MFI_ODCR0, 0xFFFFFFFF);
213 MFI_WRITE4(sc, MFI_OMSK, ~MFI_GEN2_EIM);
214 } else if (sc->mfi_flags & MFI_FLAGS_SKINNY) {
215 MFI_WRITE4(sc, MFI_OMSK, ~0x00000001);
217 panic("unknown adapter type");
222 mfi_read_fw_status_xscale(struct mfi_softc *sc)
224 return MFI_READ4(sc, MFI_OMSG0);
228 mfi_read_fw_status_ppc(struct mfi_softc *sc)
230 return MFI_READ4(sc, MFI_OSP0);
234 mfi_check_clear_intr_xscale(struct mfi_softc *sc)
238 status = MFI_READ4(sc, MFI_OSTS);
239 if ((status & MFI_OSTS_INTR_VALID) == 0)
242 MFI_WRITE4(sc, MFI_OSTS, status);
247 mfi_check_clear_intr_ppc(struct mfi_softc *sc)
251 status = MFI_READ4(sc, MFI_OSTS);
252 if (((sc->mfi_flags & MFI_FLAGS_1078) && !(status & MFI_1078_RM)) ||
253 ((sc->mfi_flags & MFI_FLAGS_GEN2) && !(status & MFI_GEN2_RM)) ||
254 ((sc->mfi_flags & MFI_FLAGS_SKINNY) && !(status & MFI_SKINNY_RM)))
257 if (sc->mfi_flags & MFI_FLAGS_SKINNY)
258 MFI_WRITE4(sc, MFI_OSTS, status);
260 MFI_WRITE4(sc, MFI_ODCR0, status);
265 mfi_issue_cmd_xscale(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt)
267 MFI_WRITE4(sc, MFI_IQP,(bus_add >>3) | frame_cnt);
271 mfi_issue_cmd_ppc(struct mfi_softc *sc,uint32_t bus_add,uint32_t frame_cnt)
273 if (sc->mfi_flags & MFI_FLAGS_SKINNY) {
274 MFI_WRITE4(sc, MFI_IQPL, (bus_add | frame_cnt << 1) | 1);
275 MFI_WRITE4(sc, MFI_IQPH, 0x00000000);
277 MFI_WRITE4(sc, MFI_IQP, (bus_add | frame_cnt << 1) | 1);
282 mfi_transition_firmware(struct mfi_softc *sc)
284 uint32_t fw_state, cur_state;
286 uint32_t cur_abs_reg_val = 0;
287 uint32_t prev_abs_reg_val = 0;
288 bus_space_handle_t idb;
290 cur_abs_reg_val = sc->mfi_read_fw_status(sc);
291 fw_state = cur_abs_reg_val & MFI_FWSTATE_MASK;
292 idb = sc->mfi_flags & MFI_FLAGS_SKINNY ? MFI_SKINNY_IDB : MFI_IDB;
293 while (fw_state != MFI_FWSTATE_READY) {
295 device_printf(sc->mfi_dev, "Waiting for firmware to "
297 cur_state = fw_state;
299 case MFI_FWSTATE_FAULT:
300 device_printf(sc->mfi_dev, "Firmware fault\n");
302 case MFI_FWSTATE_WAIT_HANDSHAKE:
303 MFI_WRITE4(sc, idb, MFI_FWINIT_CLEAR_HANDSHAKE);
306 case MFI_FWSTATE_OPERATIONAL:
307 MFI_WRITE4(sc, idb, MFI_FWINIT_READY);
310 case MFI_FWSTATE_UNDEFINED:
311 case MFI_FWSTATE_BB_INIT:
314 case MFI_FWSTATE_FW_INIT:
315 case MFI_FWSTATE_FLUSH_CACHE:
318 case MFI_FWSTATE_DEVICE_SCAN:
319 max_wait = 180; /* wait for 180 seconds */
320 prev_abs_reg_val = cur_abs_reg_val;
322 case MFI_FWSTATE_BOOT_MESSAGE_PENDING:
323 MFI_WRITE4(sc, idb, MFI_FWINIT_HOTPLUG);
327 device_printf(sc->mfi_dev,"Unknown firmware state %#x\n",
331 for (i = 0; i < (max_wait * 10); i++) {
332 cur_abs_reg_val = sc->mfi_read_fw_status(sc);
333 fw_state = cur_abs_reg_val & MFI_FWSTATE_MASK;
334 if (fw_state == cur_state)
339 if (fw_state == MFI_FWSTATE_DEVICE_SCAN) {
340 /* Check the device scanning progress */
341 if (prev_abs_reg_val != cur_abs_reg_val)
344 if (fw_state == cur_state) {
345 device_printf(sc->mfi_dev, "Firmware stuck in state "
353 #if defined(__x86_64__)
355 mfi_addr64_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
360 *addr = segs[0].ds_addr;
364 mfi_addr32_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
369 *addr = segs[0].ds_addr;
374 mfi_attach(struct mfi_softc *sc)
377 int error, commsz, framessz, sensesz;
378 int frames, unit, max_fw_sge;
381 device_printf(sc->mfi_dev, "Megaraid SAS driver Ver 3.981\n");
383 lockinit(&sc->mfi_io_lock, "MFI I/O lock", 0, LK_CANRECURSE);
384 lockinit(&sc->mfi_config_lock, "MFI config", 0, LK_CANRECURSE);
385 TAILQ_INIT(&sc->mfi_ld_tqh);
386 TAILQ_INIT(&sc->mfi_syspd_tqh);
387 TAILQ_INIT(&sc->mfi_aen_pids);
388 TAILQ_INIT(&sc->mfi_cam_ccbq);
395 if (sc->mfi_flags & MFI_FLAGS_1064R) {
396 sc->mfi_enable_intr = mfi_enable_intr_xscale;
397 sc->mfi_read_fw_status = mfi_read_fw_status_xscale;
398 sc->mfi_check_clear_intr = mfi_check_clear_intr_xscale;
399 sc->mfi_issue_cmd = mfi_issue_cmd_xscale;
401 sc->mfi_enable_intr = mfi_enable_intr_ppc;
402 sc->mfi_read_fw_status = mfi_read_fw_status_ppc;
403 sc->mfi_check_clear_intr = mfi_check_clear_intr_ppc;
404 sc->mfi_issue_cmd = mfi_issue_cmd_ppc;
408 /* Before we get too far, see if the firmware is working */
409 if ((error = mfi_transition_firmware(sc)) != 0) {
410 device_printf(sc->mfi_dev, "Firmware not in READY state, "
411 "error %d\n", error);
416 * Get information needed for sizing the contiguous memory for the
417 * frame pool. Size down the sgl parameter since we know that
418 * we will never need more than what's required for MAXPHYS.
419 * It would be nice if these constants were available at runtime
420 * instead of compile time.
422 status = sc->mfi_read_fw_status(sc);
423 sc->mfi_max_fw_cmds = status & MFI_FWSTATE_MAXCMD_MASK;
424 max_fw_sge = (status & MFI_FWSTATE_MAXSGL_MASK) >> 16;
425 sc->mfi_max_sge = min(max_fw_sge, ((MFI_MAXPHYS / PAGE_SIZE) + 1));
428 * Create the dma tag for data buffers. Used both for block I/O
429 * and for various internal data queries.
431 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
432 1, 0, /* algnmnt, boundary */
433 BUS_SPACE_MAXADDR, /* lowaddr */
434 BUS_SPACE_MAXADDR, /* highaddr */
435 NULL, NULL, /* filter, filterarg */
436 BUS_SPACE_MAXSIZE_32BIT,/* maxsize */
437 sc->mfi_max_sge, /* nsegments */
438 BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */
439 BUS_DMA_ALLOCNOW, /* flags */
440 &sc->mfi_buffer_dmat)) {
441 device_printf(sc->mfi_dev, "Cannot allocate buffer DMA tag\n");
446 * Allocate DMA memory for the comms queues. Keep it under 4GB for
447 * efficiency. The mfi_hwcomms struct includes space for 1 reply queue
448 * entry, so the calculated size here will be will be 1 more than
449 * mfi_max_fw_cmds. This is apparently a requirement of the hardware.
451 commsz = (sizeof(uint32_t) * sc->mfi_max_fw_cmds) +
452 sizeof(struct mfi_hwcomms);
453 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
454 1, 0, /* algnmnt, boundary */
455 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
456 BUS_SPACE_MAXADDR, /* highaddr */
457 NULL, NULL, /* filter, filterarg */
458 commsz, /* maxsize */
460 commsz, /* maxsegsize */
462 &sc->mfi_comms_dmat)) {
463 device_printf(sc->mfi_dev, "Cannot allocate comms DMA tag\n");
466 if (bus_dmamem_alloc(sc->mfi_comms_dmat, (void **)&sc->mfi_comms,
467 BUS_DMA_NOWAIT, &sc->mfi_comms_dmamap)) {
468 device_printf(sc->mfi_dev, "Cannot allocate comms memory\n");
471 bzero(sc->mfi_comms, commsz);
472 #if defined(__x86_64__)
473 bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap,
474 sc->mfi_comms, commsz, mfi_addr64_cb, &sc->mfi_comms_busaddr, 0);
476 bus_dmamap_load(sc->mfi_comms_dmat, sc->mfi_comms_dmamap,
477 sc->mfi_comms, commsz, mfi_addr32_cb, &sc->mfi_comms_busaddr, 0);
481 * Allocate DMA memory for the command frames. Keep them in the
482 * lower 4GB for efficiency. Calculate the size of the commands at
483 * the same time; each command is one 64 byte frame plus a set of
484 * additional frames for holding sg lists or other data.
485 * The assumption here is that the SG list will start at the second
486 * frame and not use the unused bytes in the first frame. While this
487 * isn't technically correct, it simplifies the calculation and allows
488 * for command frames that might be larger than an mfi_io_frame.
490 if (sizeof(bus_addr_t) == 8) {
491 sc->mfi_sge_size = sizeof(struct mfi_sg64);
492 sc->mfi_flags |= MFI_FLAGS_SG64;
494 sc->mfi_sge_size = sizeof(struct mfi_sg32);
496 if (sc->mfi_flags & MFI_FLAGS_SKINNY)
497 sc->mfi_sge_size = sizeof(struct mfi_sg_skinny);
498 frames = (sc->mfi_sge_size * sc->mfi_max_sge - 1) / MFI_FRAME_SIZE + 2;
499 sc->mfi_cmd_size = frames * MFI_FRAME_SIZE;
500 framessz = sc->mfi_cmd_size * sc->mfi_max_fw_cmds;
501 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
502 64, 0, /* algnmnt, boundary */
503 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
504 BUS_SPACE_MAXADDR, /* highaddr */
505 NULL, NULL, /* filter, filterarg */
506 framessz, /* maxsize */
508 framessz, /* maxsegsize */
510 &sc->mfi_frames_dmat)) {
511 device_printf(sc->mfi_dev, "Cannot allocate frame DMA tag\n");
514 if (bus_dmamem_alloc(sc->mfi_frames_dmat, (void **)&sc->mfi_frames,
515 BUS_DMA_NOWAIT, &sc->mfi_frames_dmamap)) {
516 device_printf(sc->mfi_dev, "Cannot allocate frames memory\n");
519 bzero(sc->mfi_frames, framessz);
520 #if defined(__x86_64__)
521 bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap,
522 sc->mfi_frames, framessz, mfi_addr64_cb, &sc->mfi_frames_busaddr,0);
524 bus_dmamap_load(sc->mfi_frames_dmat, sc->mfi_frames_dmamap,
525 sc->mfi_frames, framessz, mfi_addr32_cb, &sc->mfi_frames_busaddr,0);
529 * Allocate DMA memory for the frame sense data. Keep them in the
530 * lower 4GB for efficiency
532 sensesz = sc->mfi_max_fw_cmds * MFI_SENSE_LEN;
533 if (bus_dma_tag_create( sc->mfi_parent_dmat, /* parent */
534 4, 0, /* algnmnt, boundary */
535 BUS_SPACE_MAXADDR_32BIT,/* lowaddr */
536 BUS_SPACE_MAXADDR, /* highaddr */
537 NULL, NULL, /* filter, filterarg */
538 sensesz, /* maxsize */
540 sensesz, /* maxsegsize */
542 &sc->mfi_sense_dmat)) {
543 device_printf(sc->mfi_dev, "Cannot allocate sense DMA tag\n");
546 if (bus_dmamem_alloc(sc->mfi_sense_dmat, (void **)&sc->mfi_sense,
547 BUS_DMA_NOWAIT, &sc->mfi_sense_dmamap)) {
548 device_printf(sc->mfi_dev, "Cannot allocate sense memory\n");
551 #if defined(__x86_64__)
552 bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap,
553 sc->mfi_sense, sensesz, mfi_addr64_cb, &sc->mfi_sense_busaddr, 0);
555 bus_dmamap_load(sc->mfi_sense_dmat, sc->mfi_sense_dmamap,
556 sc->mfi_sense, sensesz, mfi_addr32_cb, &sc->mfi_sense_busaddr, 0);
559 if ((error = mfi_alloc_commands(sc)) != 0)
562 if ((error = mfi_comms_init(sc)) != 0)
565 if ((error = mfi_get_controller_info(sc)) != 0)
568 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
569 if ((error = mfi_aen_setup(sc, 0), 0) != 0) {
570 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
573 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
576 * Set up the interrupt handler. XXX This should happen in
580 sc->mfi_irq_type = pci_alloc_1intr(sc->mfi_dev, mfi_msi_enable,
581 &sc->mfi_irq_rid, &irq_flags);
582 if ((sc->mfi_irq = bus_alloc_resource_any(sc->mfi_dev, SYS_RES_IRQ,
583 &sc->mfi_irq_rid, irq_flags)) == NULL) {
584 device_printf(sc->mfi_dev, "Cannot allocate interrupt\n");
587 if (bus_setup_intr(sc->mfi_dev, sc->mfi_irq, INTR_MPSAFE,
588 mfi_intr, sc, &sc->mfi_intr, NULL)) {
589 device_printf(sc->mfi_dev, "Cannot set up interrupt\n");
593 /* Register a config hook to probe the bus for arrays */
594 sc->mfi_ich.ich_func = mfi_startup;
595 sc->mfi_ich.ich_arg = sc;
596 if (config_intrhook_establish(&sc->mfi_ich) != 0) {
597 device_printf(sc->mfi_dev, "Cannot establish configuration "
603 * Register a shutdown handler.
605 if ((sc->mfi_eh = EVENTHANDLER_REGISTER(shutdown_final, mfi_shutdown,
606 sc, SHUTDOWN_PRI_DEFAULT)) == NULL) {
607 device_printf(sc->mfi_dev, "Warning: shutdown event "
608 "registration failed\n");
612 * Create the control device for doing management
614 unit = device_get_unit(sc->mfi_dev);
615 sc->mfi_cdev = make_dev(&mfi_ops, unit, UID_ROOT, GID_OPERATOR,
616 0640, "mfi%d", unit);
618 make_dev_alias(sc->mfi_cdev, "megaraid_sas_ioctl_node");
619 if (sc->mfi_cdev != NULL)
620 sc->mfi_cdev->si_drv1 = sc;
621 sysctl_ctx_init(&sc->mfi_sysctl_ctx);
622 sc->mfi_sysctl_tree = SYSCTL_ADD_NODE(&sc->mfi_sysctl_ctx,
623 SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
624 device_get_nameunit(sc->mfi_dev), CTLFLAG_RD, 0, "");
625 if (sc->mfi_sysctl_tree == NULL) {
626 device_printf(sc->mfi_dev, "can't add sysctl node\n");
629 SYSCTL_ADD_INT(&sc->mfi_sysctl_ctx,
630 SYSCTL_CHILDREN(sc->mfi_sysctl_tree),
631 OID_AUTO, "delete_busy_volumes", CTLFLAG_RW,
632 &sc->mfi_delete_busy_volumes, 0, "Allow removal of busy volumes");
633 SYSCTL_ADD_INT(&sc->mfi_sysctl_ctx,
634 SYSCTL_CHILDREN(sc->mfi_sysctl_tree),
635 OID_AUTO, "keep_deleted_volumes", CTLFLAG_RW,
636 &sc->mfi_keep_deleted_volumes, 0,
637 "Don't detach the mfid device for a busy volume that is deleted");
639 device_add_child(sc->mfi_dev, "mfip", -1);
640 bus_generic_attach(sc->mfi_dev);
642 /* Start the timeout watchdog */
643 callout_init_mp(&sc->mfi_watchdog_callout);
644 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz,
651 mfi_alloc_commands(struct mfi_softc *sc)
653 struct mfi_command *cm;
657 * XXX Should we allocate all the commands up front, or allocate on
658 * demand later like 'aac' does?
660 ncmds = MIN(mfi_max_cmds, sc->mfi_max_fw_cmds);
662 device_printf(sc->mfi_dev, "Max fw cmds= %d, sizing driver "
663 "pool to %d\n", sc->mfi_max_fw_cmds, ncmds);
665 sc->mfi_commands = kmalloc(sizeof(struct mfi_command) * ncmds, M_MFIBUF,
668 for (i = 0; i < ncmds; i++) {
669 cm = &sc->mfi_commands[i];
670 cm->cm_frame = (union mfi_frame *)((uintptr_t)sc->mfi_frames +
671 sc->mfi_cmd_size * i);
672 cm->cm_frame_busaddr = sc->mfi_frames_busaddr +
673 sc->mfi_cmd_size * i;
674 cm->cm_frame->header.context = i;
675 cm->cm_sense = &sc->mfi_sense[i];
676 cm->cm_sense_busaddr= sc->mfi_sense_busaddr + MFI_SENSE_LEN * i;
679 if (bus_dmamap_create(sc->mfi_buffer_dmat, 0,
680 &cm->cm_dmamap) == 0)
681 mfi_release_command(cm);
684 sc->mfi_total_cmds++;
691 mfi_release_command(struct mfi_command *cm)
693 struct mfi_frame_header *hdr;
697 * Zero out the important fields of the frame, but make sure the
698 * context field is preserved. For efficiency, handle the fields
699 * as 32 bit words. Clear out the first S/G entry too for safety.
701 hdr = &cm->cm_frame->header;
702 if (cm->cm_data != NULL && hdr->sg_count) {
703 cm->cm_sg->sg32[0].len = 0;
704 cm->cm_sg->sg32[0].addr = 0;
707 hdr_data = (uint32_t *)cm->cm_frame;
708 hdr_data[0] = 0; /* cmd, sense_len, cmd_status, scsi_status */
709 hdr_data[1] = 0; /* target_id, lun_id, cdb_len, sg_count */
710 hdr_data[4] = 0; /* flags, timeout */
711 hdr_data[5] = 0; /* data_len */
713 cm->cm_extra_frames = 0;
715 cm->cm_complete = NULL;
716 cm->cm_private = NULL;
719 cm->cm_total_frame_size = 0;
721 mfi_enqueue_free(cm);
725 mfi_dcmd_command(struct mfi_softc *sc, struct mfi_command **cmp, uint32_t opcode,
726 void **bufp, size_t bufsize)
728 struct mfi_command *cm;
729 struct mfi_dcmd_frame *dcmd;
731 uint32_t context = 0;
733 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
735 cm = mfi_dequeue_free(sc);
739 /* Zero out the MFI frame */
740 context = cm->cm_frame->header.context;
741 bzero(cm->cm_frame, sizeof(union mfi_frame));
742 cm->cm_frame->header.context = context;
744 if ((bufsize > 0) && (bufp != NULL)) {
746 buf = kmalloc(bufsize, M_MFIBUF, M_NOWAIT|M_ZERO);
748 mfi_release_command(cm);
757 dcmd = &cm->cm_frame->dcmd;
758 bzero(dcmd->mbox, MFI_MBOX_SIZE);
759 dcmd->header.cmd = MFI_CMD_DCMD;
760 dcmd->header.timeout = 0;
761 dcmd->header.flags = 0;
762 dcmd->header.data_len = bufsize;
763 dcmd->header.scsi_status = 0;
764 dcmd->opcode = opcode;
765 cm->cm_sg = &dcmd->sgl;
766 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
769 cm->cm_private = buf;
770 cm->cm_len = bufsize;
773 if ((bufp != NULL) && (*bufp == NULL) && (buf != NULL))
779 mfi_comms_init(struct mfi_softc *sc)
781 struct mfi_command *cm;
782 struct mfi_init_frame *init;
783 struct mfi_init_qinfo *qinfo;
785 uint32_t context = 0;
787 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
788 if ((cm = mfi_dequeue_free(sc)) == NULL)
791 /* Zero out the MFI frame */
792 context = cm->cm_frame->header.context;
793 bzero(cm->cm_frame, sizeof(union mfi_frame));
794 cm->cm_frame->header.context = context;
797 * Abuse the SG list area of the frame to hold the init_qinfo
800 init = &cm->cm_frame->init;
801 qinfo = (struct mfi_init_qinfo *)((uintptr_t)init + MFI_FRAME_SIZE);
803 bzero(qinfo, sizeof(struct mfi_init_qinfo));
804 qinfo->rq_entries = sc->mfi_max_fw_cmds + 1;
805 qinfo->rq_addr_lo = sc->mfi_comms_busaddr +
806 offsetof(struct mfi_hwcomms, hw_reply_q);
807 qinfo->pi_addr_lo = sc->mfi_comms_busaddr +
808 offsetof(struct mfi_hwcomms, hw_pi);
809 qinfo->ci_addr_lo = sc->mfi_comms_busaddr +
810 offsetof(struct mfi_hwcomms, hw_ci);
812 init->header.cmd = MFI_CMD_INIT;
813 init->header.data_len = sizeof(struct mfi_init_qinfo);
814 init->qinfo_new_addr_lo = cm->cm_frame_busaddr + MFI_FRAME_SIZE;
816 cm->cm_flags = MFI_CMD_POLLED;
818 if ((error = mfi_mapcmd(sc, cm)) != 0) {
819 device_printf(sc->mfi_dev, "failed to send init command\n");
820 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
823 mfi_release_command(cm);
824 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
830 mfi_get_controller_info(struct mfi_softc *sc)
832 struct mfi_command *cm = NULL;
833 struct mfi_ctrl_info *ci = NULL;
834 uint32_t max_sectors_1, max_sectors_2;
837 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
838 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_GETINFO,
839 (void **)&ci, sizeof(*ci));
842 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
844 if ((error = mfi_mapcmd(sc, cm)) != 0) {
845 device_printf(sc->mfi_dev, "Failed to get controller info\n");
846 sc->mfi_max_io = (sc->mfi_max_sge - 1) * PAGE_SIZE /
852 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
853 BUS_DMASYNC_POSTREAD);
854 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
856 max_sectors_1 = (1 << ci->stripe_sz_ops.min) * ci->max_strips_per_io;
857 max_sectors_2 = ci->max_request_size;
858 sc->mfi_max_io = min(max_sectors_1, max_sectors_2);
864 mfi_release_command(cm);
865 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
870 mfi_get_log_state(struct mfi_softc *sc, struct mfi_evt_log_state **log_state)
872 struct mfi_command *cm = NULL;
875 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_GETINFO,
876 (void **)log_state, sizeof(**log_state));
879 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
881 if ((error = mfi_mapcmd(sc, cm)) != 0) {
882 device_printf(sc->mfi_dev, "Failed to get log state\n");
886 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
887 BUS_DMASYNC_POSTREAD);
888 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
892 mfi_release_command(cm);
898 mfi_aen_setup(struct mfi_softc *sc, uint32_t seq_start)
900 struct mfi_evt_log_state *log_state = NULL;
901 union mfi_evt class_locale;
905 class_locale.members.reserved = 0;
906 class_locale.members.locale = mfi_event_locale;
907 class_locale.members.evt_class = mfi_event_class;
909 if (seq_start == 0) {
910 error = mfi_get_log_state(sc, &log_state);
913 kfree(log_state, M_MFIBUF);
918 * Walk through any events that fired since the last
921 mfi_parse_entries(sc, log_state->shutdown_seq_num,
922 log_state->newest_seq_num);
923 seq = log_state->newest_seq_num;
926 mfi_aen_register(sc, seq, class_locale.word);
927 if (log_state != NULL)
928 kfree(log_state, M_MFIBUF);
934 mfi_wait_command(struct mfi_softc *sc, struct mfi_command *cm)
937 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
938 cm->cm_complete = NULL;
942 * MegaCli can issue a DCMD of 0. In this case do nothing
943 * and return 0 to it as status
945 if (cm->cm_frame->dcmd.opcode == 0) {
946 cm->cm_frame->header.cmd_status = MFI_STAT_OK;
948 return (cm->cm_error);
950 mfi_enqueue_ready(cm);
952 if ((cm->cm_flags & MFI_CMD_COMPLETED) == 0)
953 lksleep(cm, &sc->mfi_io_lock, 0, "mfiwait", 0);
954 return (cm->cm_error);
958 mfi_free(struct mfi_softc *sc)
960 struct mfi_command *cm;
963 callout_stop(&sc->mfi_watchdog_callout); /* XXX callout_drain() */
965 if (sc->mfi_cdev != NULL)
966 destroy_dev(sc->mfi_cdev);
967 dev_ops_remove_minor(&mfi_ops, device_get_unit(sc->mfi_dev));
969 if (sc->mfi_total_cmds != 0) {
970 for (i = 0; i < sc->mfi_total_cmds; i++) {
971 cm = &sc->mfi_commands[i];
972 bus_dmamap_destroy(sc->mfi_buffer_dmat, cm->cm_dmamap);
974 kfree(sc->mfi_commands, M_MFIBUF);
978 bus_teardown_intr(sc->mfi_dev, sc->mfi_irq, sc->mfi_intr);
979 if (sc->mfi_irq != NULL)
980 bus_release_resource(sc->mfi_dev, SYS_RES_IRQ, sc->mfi_irq_rid,
982 if (sc->mfi_irq_type == PCI_INTR_TYPE_MSI)
983 pci_release_msi(sc->mfi_dev);
984 if (sc->mfi_sense_busaddr != 0)
985 bus_dmamap_unload(sc->mfi_sense_dmat, sc->mfi_sense_dmamap);
986 if (sc->mfi_sense != NULL)
987 bus_dmamem_free(sc->mfi_sense_dmat, sc->mfi_sense,
988 sc->mfi_sense_dmamap);
989 if (sc->mfi_sense_dmat != NULL)
990 bus_dma_tag_destroy(sc->mfi_sense_dmat);
992 if (sc->mfi_frames_busaddr != 0)
993 bus_dmamap_unload(sc->mfi_frames_dmat, sc->mfi_frames_dmamap);
994 if (sc->mfi_frames != NULL)
995 bus_dmamem_free(sc->mfi_frames_dmat, sc->mfi_frames,
996 sc->mfi_frames_dmamap);
997 if (sc->mfi_frames_dmat != NULL)
998 bus_dma_tag_destroy(sc->mfi_frames_dmat);
1000 if (sc->mfi_comms_busaddr != 0)
1001 bus_dmamap_unload(sc->mfi_comms_dmat, sc->mfi_comms_dmamap);
1002 if (sc->mfi_comms != NULL)
1003 bus_dmamem_free(sc->mfi_comms_dmat, sc->mfi_comms,
1004 sc->mfi_comms_dmamap);
1005 if (sc->mfi_comms_dmat != NULL)
1006 bus_dma_tag_destroy(sc->mfi_comms_dmat);
1008 if (sc->mfi_buffer_dmat != NULL)
1009 bus_dma_tag_destroy(sc->mfi_buffer_dmat);
1010 if (sc->mfi_parent_dmat != NULL)
1011 bus_dma_tag_destroy(sc->mfi_parent_dmat);
1013 if (sc->mfi_sysctl_tree != NULL)
1014 sysctl_ctx_free(&sc->mfi_sysctl_ctx);
1016 #if 0 /* XXX swildner: not sure if we need something like mtx_initialized() */
1018 if (mtx_initialized(&sc->mfi_io_lock)) {
1019 lockuninit(&sc->mfi_io_lock);
1020 sx_destroy(&sc->mfi_config_lock);
1024 lockuninit(&sc->mfi_io_lock);
1025 lockuninit(&sc->mfi_config_lock);
1031 mfi_startup(void *arg)
1033 struct mfi_softc *sc;
1035 sc = (struct mfi_softc *)arg;
1037 config_intrhook_disestablish(&sc->mfi_ich);
1039 sc->mfi_enable_intr(sc);
1040 lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
1041 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1043 if (sc->mfi_flags & MFI_FLAGS_SKINNY)
1045 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1046 lockmgr(&sc->mfi_config_lock, LK_RELEASE);
1052 struct mfi_softc *sc;
1053 struct mfi_command *cm;
1054 uint32_t pi, ci, context;
1056 sc = (struct mfi_softc *)arg;
1058 if (sc->mfi_check_clear_intr(sc))
1062 * Do a dummy read to flush the interrupt ACK that we just performed,
1063 * ensuring that everything is really, truly consistent.
1065 (void)sc->mfi_read_fw_status(sc);
1067 pi = sc->mfi_comms->hw_pi;
1068 ci = sc->mfi_comms->hw_ci;
1069 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1071 context = sc->mfi_comms->hw_reply_q[ci];
1072 if (context < sc->mfi_max_fw_cmds) {
1073 cm = &sc->mfi_commands[context];
1074 mfi_remove_busy(cm);
1076 mfi_complete(sc, cm);
1078 if (++ci == (sc->mfi_max_fw_cmds + 1)) {
1083 sc->mfi_comms->hw_ci = ci;
1085 /* Give defered I/O a chance to run */
1086 if (sc->mfi_flags & MFI_FLAGS_QFRZN)
1087 sc->mfi_flags &= ~MFI_FLAGS_QFRZN;
1089 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1095 mfi_shutdown(struct mfi_softc *sc)
1097 struct mfi_dcmd_frame *dcmd;
1098 struct mfi_command *cm;
1101 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1102 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_SHUTDOWN, NULL, 0);
1104 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1108 if (sc->mfi_aen_cm != NULL)
1109 mfi_abort(sc, sc->mfi_aen_cm);
1111 dcmd = &cm->cm_frame->dcmd;
1112 dcmd->header.flags = MFI_FRAME_DIR_NONE;
1113 cm->cm_flags = MFI_CMD_POLLED;
1116 if ((error = mfi_mapcmd(sc, cm)) != 0) {
1117 device_printf(sc->mfi_dev, "Failed to shutdown controller\n");
1120 mfi_release_command(cm);
1121 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1125 mfi_syspdprobe(struct mfi_softc *sc)
1127 struct mfi_frame_header *hdr;
1128 struct mfi_command *cm = NULL;
1129 struct mfi_pd_list *pdlist = NULL;
1130 struct mfi_system_pd *syspd;
1133 KKASSERT(lockstatus(&sc->mfi_config_lock, curthread) != 0);
1134 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
1135 /* Add SYSTEM PD's */
1136 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_PD_LIST_QUERY,
1137 (void **)&pdlist, sizeof(*pdlist));
1139 device_printf(sc->mfi_dev,"Error while forming syspd list\n");
1143 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
1144 cm->cm_frame->dcmd.mbox[0] = MR_PD_QUERY_TYPE_EXPOSED_TO_HOST;
1145 cm->cm_frame->dcmd.mbox[1] = 0;
1146 if (mfi_mapcmd(sc, cm) != 0) {
1147 device_printf(sc->mfi_dev, "Failed to get syspd device list\n");
1150 bus_dmamap_sync(sc->mfi_buffer_dmat,cm->cm_dmamap,
1151 BUS_DMASYNC_POSTREAD);
1152 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
1153 hdr = &cm->cm_frame->header;
1154 if (hdr->cmd_status != MFI_STAT_OK) {
1155 device_printf(sc->mfi_dev, "MFI_DCMD_PD_LIST_QUERY failed %x\n",
1159 for (i = 0; i < pdlist->count; i++) {
1160 if (pdlist->addr[i].device_id == pdlist->addr[i].encl_device_id)
1161 goto skip_sys_pd_add;
1162 /* Get each PD and add it to the system */
1163 if (!TAILQ_EMPTY(&sc->mfi_syspd_tqh)) {
1164 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh,pd_link) {
1165 if (syspd->pd_id == pdlist->addr[i].device_id)
1166 goto skip_sys_pd_add;
1169 mfi_add_sys_pd(sc,pdlist->addr[i].device_id);
1173 /* Delete SYSPD's whose state has been changed */
1174 if (!TAILQ_EMPTY(&sc->mfi_syspd_tqh)) {
1175 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh,pd_link) {
1176 for (i=0;i<pdlist->count;i++) {
1177 if (syspd->pd_id == pdlist->addr[i].device_id)
1178 goto skip_sys_pd_delete;
1181 device_delete_child(sc->mfi_dev,syspd->pd_dev);
1189 kfree(pdlist, M_MFIBUF);
1191 mfi_release_command(cm);
1195 mfi_ldprobe(struct mfi_softc *sc)
1197 struct mfi_frame_header *hdr;
1198 struct mfi_command *cm = NULL;
1199 struct mfi_ld_list *list = NULL;
1200 struct mfi_disk *ld;
1203 KKASSERT(lockstatus(&sc->mfi_config_lock, curthread) != 0);
1204 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
1206 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_LIST,
1207 (void **)&list, sizeof(*list));
1211 cm->cm_flags = MFI_CMD_DATAIN;
1212 if (mfi_wait_command(sc, cm) != 0) {
1213 device_printf(sc->mfi_dev, "Failed to get device listing\n");
1217 hdr = &cm->cm_frame->header;
1218 if (hdr->cmd_status != MFI_STAT_OK) {
1219 device_printf(sc->mfi_dev, "MFI_DCMD_LD_GET_LIST failed %x\n",
1224 for (i = 0; i < list->ld_count; i++) {
1225 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
1226 if (ld->ld_id == list->ld_list[i].ld.v.target_id)
1229 mfi_add_ld(sc, list->ld_list[i].ld.v.target_id);
1234 kfree(list, M_MFIBUF);
1236 mfi_release_command(cm);
1242 * The timestamp is the number of seconds since 00:00 Jan 1, 2000. If
1243 * the bits in 24-31 are all set, then it is the number of seconds since
1247 format_timestamp(uint32_t timestamp)
1249 static char buffer[32];
1251 if ((timestamp & 0xff000000) == 0xff000000)
1252 ksnprintf(buffer, sizeof(buffer), "boot + %us", timestamp &
1255 ksnprintf(buffer, sizeof(buffer), "%us", timestamp);
1260 format_class(int8_t class)
1262 static char buffer[6];
1265 case MFI_EVT_CLASS_DEBUG:
1267 case MFI_EVT_CLASS_PROGRESS:
1268 return ("progress");
1269 case MFI_EVT_CLASS_INFO:
1271 case MFI_EVT_CLASS_WARNING:
1273 case MFI_EVT_CLASS_CRITICAL:
1275 case MFI_EVT_CLASS_FATAL:
1277 case MFI_EVT_CLASS_DEAD:
1280 ksnprintf(buffer, sizeof(buffer), "%d", class);
1286 mfi_decode_evt(struct mfi_softc *sc, struct mfi_evt_detail *detail)
1289 device_printf(sc->mfi_dev, "%d (%s/0x%04x/%s) - %s\n", detail->seq,
1290 format_timestamp(detail->time), detail->evt_class.members.locale,
1291 format_class(detail->evt_class.members.evt_class), detail->description);
1295 mfi_aen_register(struct mfi_softc *sc, int seq, int locale)
1297 struct mfi_command *cm;
1298 struct mfi_dcmd_frame *dcmd;
1299 union mfi_evt current_aen, prior_aen;
1300 struct mfi_evt_detail *ed = NULL;
1303 current_aen.word = locale;
1304 if (sc->mfi_aen_cm != NULL) {
1306 ((uint32_t *)&sc->mfi_aen_cm->cm_frame->dcmd.mbox)[1];
1307 if (prior_aen.members.evt_class <= current_aen.members.evt_class &&
1308 !((prior_aen.members.locale & current_aen.members.locale)
1309 ^current_aen.members.locale)) {
1312 prior_aen.members.locale |= current_aen.members.locale;
1313 if (prior_aen.members.evt_class
1314 < current_aen.members.evt_class)
1315 current_aen.members.evt_class =
1316 prior_aen.members.evt_class;
1317 mfi_abort(sc, sc->mfi_aen_cm);
1321 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_CTRL_EVENT_WAIT,
1322 (void **)&ed, sizeof(*ed));
1327 dcmd = &cm->cm_frame->dcmd;
1328 ((uint32_t *)&dcmd->mbox)[0] = seq;
1329 ((uint32_t *)&dcmd->mbox)[1] = locale;
1330 cm->cm_flags = MFI_CMD_DATAIN;
1331 cm->cm_complete = mfi_aen_complete;
1333 sc->mfi_aen_cm = cm;
1335 mfi_enqueue_ready(cm);
1343 mfi_aen_complete(struct mfi_command *cm)
1345 struct mfi_frame_header *hdr;
1346 struct mfi_softc *sc;
1347 struct mfi_evt_detail *detail;
1348 struct mfi_aen *mfi_aen_entry, *tmp;
1349 int seq = 0, aborted = 0;
1352 hdr = &cm->cm_frame->header;
1354 if (sc->mfi_aen_cm == NULL)
1357 if (sc->mfi_aen_cm->cm_aen_abort ||
1358 hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
1359 sc->mfi_aen_cm->cm_aen_abort = 0;
1362 sc->mfi_aen_triggered = 1;
1363 if (sc->mfi_poll_waiting) {
1364 sc->mfi_poll_waiting = 0;
1365 KNOTE(&sc->mfi_kq.ki_note, 0);
1367 detail = cm->cm_data;
1369 * XXX If this function is too expensive or is recursive, then
1370 * events should be put onto a queue and processed later.
1372 mfi_decode_evt(sc, detail);
1373 seq = detail->seq + 1;
1374 TAILQ_FOREACH_MUTABLE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) {
1375 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
1377 lwkt_gettoken(&proc_token);
1378 ksignal(mfi_aen_entry->p, SIGIO);
1379 lwkt_reltoken(&proc_token);
1380 kfree(mfi_aen_entry, M_MFIBUF);
1384 kfree(cm->cm_data, M_MFIBUF);
1385 sc->mfi_aen_cm = NULL;
1386 wakeup(&sc->mfi_aen_cm);
1387 mfi_release_command(cm);
1389 /* set it up again so the driver can catch more events */
1391 mfi_aen_setup(sc, seq);
1395 #define MAX_EVENTS 15
1398 mfi_parse_entries(struct mfi_softc *sc, int start_seq, int stop_seq)
1400 struct mfi_command *cm;
1401 struct mfi_dcmd_frame *dcmd;
1402 struct mfi_evt_list *el;
1403 union mfi_evt class_locale;
1404 int error, i, seq, size;
1405 uint32_t context = 0;
1407 class_locale.members.reserved = 0;
1408 class_locale.members.locale = mfi_event_locale;
1409 class_locale.members.evt_class = mfi_event_class;
1411 size = sizeof(struct mfi_evt_list) + sizeof(struct mfi_evt_detail)
1413 el = kmalloc(size, M_MFIBUF, M_NOWAIT | M_ZERO);
1417 for (seq = start_seq;;) {
1418 if ((cm = mfi_dequeue_free(sc)) == NULL) {
1419 kfree(el, M_MFIBUF);
1423 /* Zero out the MFI frame */
1424 context = cm->cm_frame->header.context;
1425 bzero(cm->cm_frame, sizeof(union mfi_frame));
1426 cm->cm_frame->header.context = context;
1428 dcmd = &cm->cm_frame->dcmd;
1429 bzero(dcmd->mbox, MFI_MBOX_SIZE);
1430 dcmd->header.cmd = MFI_CMD_DCMD;
1431 dcmd->header.timeout = 0;
1432 dcmd->header.data_len = size;
1433 dcmd->header.scsi_status = 0;
1434 dcmd->opcode = MFI_DCMD_CTRL_EVENT_GET;
1435 ((uint32_t *)&dcmd->mbox)[0] = seq;
1436 ((uint32_t *)&dcmd->mbox)[1] = class_locale.word;
1437 cm->cm_sg = &dcmd->sgl;
1438 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
1439 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
1443 if ((error = mfi_mapcmd(sc, cm)) != 0) {
1444 device_printf(sc->mfi_dev,
1445 "Failed to get controller entries\n");
1446 mfi_release_command(cm);
1450 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
1451 BUS_DMASYNC_POSTREAD);
1452 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
1454 if (dcmd->header.cmd_status == MFI_STAT_NOT_FOUND) {
1455 mfi_release_command(cm);
1458 if (dcmd->header.cmd_status != MFI_STAT_OK) {
1459 device_printf(sc->mfi_dev,
1460 "Error %d fetching controller entries\n",
1461 dcmd->header.cmd_status);
1462 mfi_release_command(cm);
1465 mfi_release_command(cm);
1467 for (i = 0; i < el->count; i++) {
1469 * If this event is newer than 'stop_seq' then
1470 * break out of the loop. Note that the log
1471 * is a circular buffer so we have to handle
1472 * the case that our stop point is earlier in
1473 * the buffer than our start point.
1475 if (el->event[i].seq >= stop_seq) {
1476 if (start_seq <= stop_seq)
1478 else if (el->event[i].seq < start_seq)
1481 mfi_decode_evt(sc, &el->event[i]);
1483 seq = el->event[el->count - 1].seq + 1;
1486 kfree(el, M_MFIBUF);
1491 mfi_add_ld(struct mfi_softc *sc, int id)
1493 struct mfi_command *cm;
1494 struct mfi_dcmd_frame *dcmd = NULL;
1495 struct mfi_ld_info *ld_info = NULL;
1498 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
1500 error = mfi_dcmd_command(sc, &cm, MFI_DCMD_LD_GET_INFO,
1501 (void **)&ld_info, sizeof(*ld_info));
1503 device_printf(sc->mfi_dev,
1504 "Failed to allocate for MFI_DCMD_LD_GET_INFO %d\n", error);
1506 kfree(ld_info, M_MFIBUF);
1509 cm->cm_flags = MFI_CMD_DATAIN;
1510 dcmd = &cm->cm_frame->dcmd;
1512 if (mfi_wait_command(sc, cm) != 0) {
1513 device_printf(sc->mfi_dev,
1514 "Failed to get logical drive: %d\n", id);
1515 kfree(ld_info, M_MFIBUF);
1518 if (ld_info->ld_config.params.isSSCD != 1) {
1519 mfi_add_ld_complete(cm);
1521 mfi_release_command(cm);
1522 if(ld_info) /* SSCD drives ld_info free here */
1523 kfree(ld_info, M_MFIBUF);
1529 mfi_add_ld_complete(struct mfi_command *cm)
1531 struct mfi_frame_header *hdr;
1532 struct mfi_ld_info *ld_info;
1533 struct mfi_softc *sc;
1537 hdr = &cm->cm_frame->header;
1538 ld_info = cm->cm_private;
1540 if (hdr->cmd_status != MFI_STAT_OK) {
1541 kfree(ld_info, M_MFIBUF);
1542 mfi_release_command(cm);
1545 mfi_release_command(cm);
1547 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1549 if ((child = device_add_child(sc->mfi_dev, "mfid", -1)) == NULL) {
1550 device_printf(sc->mfi_dev, "Failed to add logical disk\n");
1551 kfree(ld_info, M_MFIBUF);
1553 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1557 device_set_ivars(child, ld_info);
1558 device_set_desc(child, "MFI Logical Disk");
1559 bus_generic_attach(sc->mfi_dev);
1561 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1565 mfi_add_sys_pd(struct mfi_softc *sc,int id)
1567 struct mfi_command *cm;
1568 struct mfi_dcmd_frame *dcmd = NULL;
1569 struct mfi_pd_info *pd_info = NULL;
1572 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
1574 error = mfi_dcmd_command(sc,&cm,MFI_DCMD_PD_GET_INFO,
1575 (void **)&pd_info, sizeof(*pd_info));
1577 device_printf(sc->mfi_dev,
1578 "Failed to allocated for MFI_DCMD_PD_GET_INFO %d\n", error);
1580 kfree(pd_info,M_MFIBUF);
1583 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_POLLED;
1584 dcmd = &cm->cm_frame->dcmd;
1586 dcmd->header.scsi_status = 0;
1587 dcmd->header.pad0 = 0;
1588 if (mfi_mapcmd(sc, cm) != 0) {
1589 device_printf(sc->mfi_dev,
1590 "Failed to get physical drive info %d\n", id);
1591 kfree(pd_info,M_MFIBUF);
1594 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
1595 BUS_DMASYNC_POSTREAD);
1596 bus_dmamap_unload(sc->mfi_buffer_dmat,cm->cm_dmamap);
1597 mfi_add_sys_pd_complete(cm);
1602 mfi_add_sys_pd_complete(struct mfi_command *cm)
1604 struct mfi_frame_header *hdr;
1605 struct mfi_pd_info *pd_info;
1606 struct mfi_softc *sc;
1610 hdr = &cm->cm_frame->header;
1611 pd_info = cm->cm_private;
1613 if (hdr->cmd_status != MFI_STAT_OK) {
1614 kfree(pd_info, M_MFIBUF);
1615 mfi_release_command(cm);
1618 if (pd_info->fw_state != MFI_PD_STATE_SYSTEM) {
1619 device_printf(sc->mfi_dev,"PD=%x is not SYSTEM PD\n",
1620 pd_info->ref.v.device_id);
1621 kfree(pd_info, M_MFIBUF);
1622 mfi_release_command(cm);
1625 mfi_release_command(cm);
1627 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
1629 if ((child = device_add_child(sc->mfi_dev, "mfisyspd", -1)) == NULL) {
1630 device_printf(sc->mfi_dev, "Failed to add system pd\n");
1631 kfree(pd_info, M_MFIBUF);
1633 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1637 device_set_ivars(child, pd_info);
1638 device_set_desc(child, "MFI System PD");
1639 bus_generic_attach(sc->mfi_dev);
1641 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
1644 static struct mfi_command *
1645 mfi_bio_command(struct mfi_softc *sc)
1648 struct mfi_command *cm = NULL;
1649 struct mfi_disk *mfid;
1651 /* reserving two commands to avoid starvation for IOCTL */
1652 if (sc->mfi_qstat[MFIQ_FREE].q_length < 2)
1654 if ((bio = mfi_dequeue_bio(sc)) == NULL)
1656 mfid = bio->bio_driver_info;
1657 if (mfid->ld_flags & MFI_DISK_FLAGS_SYSPD)
1658 cm = mfi_build_syspdio(sc, bio);
1660 cm = mfi_build_ldio(sc, bio);
1662 mfi_enqueue_bio(sc,bio);
1666 static struct mfi_command *
1667 mfi_build_syspdio(struct mfi_softc *sc, struct bio *bio)
1669 struct mfi_command *cm;
1671 struct mfi_system_pd *disk;
1672 struct mfi_pass_frame *pass;
1673 int flags = 0,blkcount = 0;
1674 uint32_t context = 0;
1676 if ((cm = mfi_dequeue_free(sc)) == NULL)
1679 /* Zero out the MFI frame */
1680 context = cm->cm_frame->header.context;
1681 bzero(cm->cm_frame, sizeof(union mfi_frame));
1682 cm->cm_frame->header.context = context;
1684 pass = &cm->cm_frame->pass;
1685 bzero(pass->cdb, 16);
1686 pass->header.cmd = MFI_CMD_PD_SCSI_IO;
1687 switch (bp->b_cmd & 0x03) {
1689 pass->cdb[0] = READ_10;
1690 flags = MFI_CMD_DATAIN;
1693 pass->cdb[0] = WRITE_10;
1694 flags = MFI_CMD_DATAOUT;
1697 panic("Invalid bio command");
1700 /* Cheat with the sector length to avoid a non-constant division */
1701 blkcount = (bp->b_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
1702 disk = bio->bio_driver_info;
1703 /* Fill the LBA and Transfer length in CDB */
1704 pass->cdb[2] = ((bio->bio_offset / MFI_SECTOR_LEN) & 0xff000000) >> 24;
1705 pass->cdb[3] = ((bio->bio_offset / MFI_SECTOR_LEN) & 0x00ff0000) >> 16;
1706 pass->cdb[4] = ((bio->bio_offset / MFI_SECTOR_LEN) & 0x0000ff00) >> 8;
1707 pass->cdb[5] = (bio->bio_offset / MFI_SECTOR_LEN) & 0x000000ff;
1708 pass->cdb[7] = (blkcount & 0xff00) >> 8;
1709 pass->cdb[8] = (blkcount & 0x00ff);
1710 pass->header.target_id = disk->pd_id;
1711 pass->header.timeout = 0;
1712 pass->header.flags = 0;
1713 pass->header.scsi_status = 0;
1714 pass->header.sense_len = MFI_SENSE_LEN;
1715 pass->header.data_len = bp->b_bcount;
1716 pass->header.cdb_len = 10;
1717 #if defined(__x86_64__)
1718 pass->sense_addr_lo = (cm->cm_sense_busaddr & 0xFFFFFFFF);
1719 pass->sense_addr_hi = (cm->cm_sense_busaddr & 0xFFFFFFFF00000000) >> 32;
1721 pass->sense_addr_lo = cm->cm_sense_busaddr;
1722 pass->sense_addr_hi = 0;
1724 cm->cm_complete = mfi_bio_complete;
1725 cm->cm_private = bio;
1726 cm->cm_data = bp->b_data;
1727 cm->cm_len = bp->b_bcount;
1728 cm->cm_sg = &pass->sgl;
1729 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
1730 cm->cm_flags = flags;
1734 static struct mfi_command *
1735 mfi_build_ldio(struct mfi_softc *sc,struct bio *bio)
1737 struct mfi_io_frame *io;
1739 struct mfi_disk *disk;
1740 struct mfi_command *cm;
1741 int flags, blkcount;
1742 uint32_t context = 0;
1744 if ((cm = mfi_dequeue_free(sc)) == NULL)
1747 /* Zero out the MFI frame */
1748 context = cm->cm_frame->header.context;
1749 bzero(cm->cm_frame,sizeof(union mfi_frame));
1750 cm->cm_frame->header.context = context;
1752 io = &cm->cm_frame->io;
1753 switch (bp->b_cmd & 0x03) {
1755 io->header.cmd = MFI_CMD_LD_READ;
1756 flags = MFI_CMD_DATAIN;
1759 io->header.cmd = MFI_CMD_LD_WRITE;
1760 flags = MFI_CMD_DATAOUT;
1763 panic("Invalid bio command");
1766 /* Cheat with the sector length to avoid a non-constant division */
1767 blkcount = (bp->b_bcount + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
1768 disk = bio->bio_driver_info;
1769 io->header.target_id = disk->ld_id;
1770 io->header.timeout = 0;
1771 io->header.flags = 0;
1772 io->header.scsi_status = 0;
1773 io->header.sense_len = MFI_SENSE_LEN;
1774 io->header.data_len = blkcount;
1775 #if defined(__x86_64__)
1776 io->sense_addr_lo = (cm->cm_sense_busaddr & 0xFFFFFFFF);
1777 io->sense_addr_hi = (cm->cm_sense_busaddr & 0xFFFFFFFF00000000) >> 32;
1779 io->sense_addr_lo = cm->cm_sense_busaddr;
1780 io->sense_addr_hi = 0;
1782 io->lba_hi = ((bio->bio_offset / MFI_SECTOR_LEN) & 0xffffffff00000000) >> 32;
1783 io->lba_lo = (bio->bio_offset / MFI_SECTOR_LEN) & 0xffffffff;
1784 cm->cm_complete = mfi_bio_complete;
1785 cm->cm_private = bio;
1786 cm->cm_data = bp->b_data;
1787 cm->cm_len = bp->b_bcount;
1788 cm->cm_sg = &io->sgl;
1789 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE;
1790 cm->cm_flags = flags;
1795 mfi_bio_complete(struct mfi_command *cm)
1799 struct mfi_frame_header *hdr;
1800 struct mfi_softc *sc;
1802 bio = cm->cm_private;
1804 hdr = &cm->cm_frame->header;
1807 if ((hdr->cmd_status != MFI_STAT_OK) || (hdr->scsi_status != 0)) {
1808 bp->b_flags |= B_ERROR;
1810 device_printf(sc->mfi_dev, "I/O error, status= %d "
1811 "scsi_status= %d\n", hdr->cmd_status, hdr->scsi_status);
1812 mfi_print_sense(cm->cm_sc, cm->cm_sense);
1813 } else if (cm->cm_error != 0) {
1814 bp->b_flags |= B_ERROR;
1817 mfi_release_command(cm);
1818 mfi_disk_complete(bio);
1822 mfi_startio(struct mfi_softc *sc)
1824 struct mfi_command *cm;
1825 struct ccb_hdr *ccbh;
1828 /* Don't bother if we're short on resources */
1829 if (sc->mfi_flags & MFI_FLAGS_QFRZN)
1832 /* Try a command that has already been prepared */
1833 cm = mfi_dequeue_ready(sc);
1836 if ((ccbh = TAILQ_FIRST(&sc->mfi_cam_ccbq)) != NULL)
1837 cm = sc->mfi_cam_start(ccbh);
1840 /* Nope, so look for work on the bioq */
1842 cm = mfi_bio_command(sc);
1844 /* No work available, so exit */
1848 /* Send the command to the controller */
1849 if (mfi_mapcmd(sc, cm) != 0) {
1850 mfi_requeue_ready(cm);
1857 mfi_mapcmd(struct mfi_softc *sc, struct mfi_command *cm)
1861 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
1863 if (cm->cm_data != NULL) {
1864 polled = (cm->cm_flags & MFI_CMD_POLLED) ? BUS_DMA_NOWAIT : 0;
1865 error = bus_dmamap_load(sc->mfi_buffer_dmat, cm->cm_dmamap,
1866 cm->cm_data, cm->cm_len, mfi_data_cb, cm, polled);
1867 if (error == EINPROGRESS) {
1868 sc->mfi_flags |= MFI_FLAGS_QFRZN;
1872 error = mfi_send_frame(sc, cm);
1879 mfi_data_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1881 struct mfi_frame_header *hdr;
1882 struct mfi_command *cm;
1884 struct mfi_softc *sc;
1885 int i, j, first, dir;
1889 cm = (struct mfi_command *)arg;
1891 hdr = &cm->cm_frame->header;
1895 kprintf("error %d in callback\n", error);
1896 cm->cm_error = error;
1897 mfi_complete(sc, cm);
1901 /* Use IEEE sgl only for IO's on a SKINNY controller
1902 * For other commands on a SKINNY controller use either
1903 * sg32 or sg64 based on the sizeof(bus_addr_t).
1904 * Also calculate the total frame size based on the type
1907 if (((cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) ||
1908 (cm->cm_frame->header.cmd == MFI_CMD_LD_READ) ||
1909 (cm->cm_frame->header.cmd == MFI_CMD_LD_WRITE)) &&
1910 (sc->mfi_flags & MFI_FLAGS_SKINNY)) {
1911 for (i = 0; i < nsegs; i++) {
1912 sgl->sg_skinny[i].addr = segs[i].ds_addr;
1913 sgl->sg_skinny[i].len = segs[i].ds_len;
1914 sgl->sg_skinny[i].flag = 0;
1916 hdr->flags |= MFI_FRAME_IEEE_SGL | MFI_FRAME_SGL64;
1918 sge_size = sizeof(struct mfi_sg_skinny);
1922 if (cm->cm_frame->header.cmd == MFI_CMD_STP) {
1923 first = cm->cm_stp_len;
1924 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) {
1925 sgl->sg32[j].addr = segs[0].ds_addr;
1926 sgl->sg32[j++].len = first;
1928 sgl->sg64[j].addr = segs[0].ds_addr;
1929 sgl->sg64[j++].len = first;
1933 if ((sc->mfi_flags & MFI_FLAGS_SG64) == 0) {
1934 for (i = 0; i < nsegs; i++) {
1935 sgl->sg32[j].addr = segs[i].ds_addr + first;
1936 sgl->sg32[j++].len = segs[i].ds_len - first;
1939 sge_size = sizeof(struct mfi_sg32);
1941 for (i = 0; i < nsegs; i++) {
1942 sgl->sg64[j].addr = segs[i].ds_addr + first;
1943 sgl->sg64[j++].len = segs[i].ds_len - first;
1946 hdr->flags |= MFI_FRAME_SGL64;
1947 sge_size = sizeof(struct mfi_sg64);
1951 hdr->sg_count = nsegs;
1954 if (cm->cm_flags & MFI_CMD_DATAIN) {
1955 dir |= BUS_DMASYNC_PREREAD;
1956 hdr->flags |= MFI_FRAME_DIR_READ;
1958 if (cm->cm_flags & MFI_CMD_DATAOUT) {
1959 dir |= BUS_DMASYNC_PREWRITE;
1960 hdr->flags |= MFI_FRAME_DIR_WRITE;
1962 if (cm->cm_frame->header.cmd == MFI_CMD_STP)
1963 dir |= BUS_DMASYNC_PREWRITE;
1964 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir);
1965 cm->cm_flags |= MFI_CMD_MAPPED;
1968 * Instead of calculating the total number of frames in the
1969 * compound frame, it's already assumed that there will be at
1970 * least 1 frame, so don't compensate for the modulo of the
1971 * following division.
1973 cm->cm_total_frame_size += (sge_size * nsegs);
1974 cm->cm_extra_frames = (cm->cm_total_frame_size - 1) / MFI_FRAME_SIZE;
1976 mfi_send_frame(sc, cm);
1980 mfi_send_frame(struct mfi_softc *sc, struct mfi_command *cm)
1982 struct mfi_frame_header *hdr;
1983 int tm = MFI_POLL_TIMEOUT_SECS * 1000;
1985 hdr = &cm->cm_frame->header;
1987 if ((cm->cm_flags & MFI_CMD_POLLED) == 0) {
1988 cm->cm_timestamp = time_second;
1989 mfi_enqueue_busy(cm);
1991 hdr->cmd_status = MFI_STAT_INVALID_STATUS;
1992 hdr->flags |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
1996 * The bus address of the command is aligned on a 64 byte boundary,
1997 * leaving the least 6 bits as zero. For whatever reason, the
1998 * hardware wants the address shifted right by three, leaving just
1999 * 3 zero bits. These three bits are then used as a prefetching
2000 * hint for the hardware to predict how many frames need to be
2001 * fetched across the bus. If a command has more than 8 frames
2002 * then the 3 bits are set to 0x7 and the firmware uses other
2003 * information in the command to determine the total amount to fetch.
2004 * However, FreeBSD doesn't support I/O larger than 128K, so 8 frames
2005 * is enough for both 32bit and 64bit systems.
2007 if (cm->cm_extra_frames > 7)
2008 cm->cm_extra_frames = 7;
2010 sc->mfi_issue_cmd(sc,cm->cm_frame_busaddr,cm->cm_extra_frames);
2012 if ((cm->cm_flags & MFI_CMD_POLLED) == 0)
2015 /* This is a polled command, so busy-wait for it to complete. */
2016 while (hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
2023 if (hdr->cmd_status == MFI_STAT_INVALID_STATUS) {
2024 device_printf(sc->mfi_dev, "Frame %p timed out "
2025 "command 0x%X\n", hdr, cm->cm_frame->dcmd.opcode);
2033 mfi_complete(struct mfi_softc *sc, struct mfi_command *cm)
2037 if ((cm->cm_flags & MFI_CMD_MAPPED) != 0) {
2039 if ((cm->cm_flags & MFI_CMD_DATAIN) ||
2040 (cm->cm_frame->header.cmd == MFI_CMD_STP))
2041 dir |= BUS_DMASYNC_POSTREAD;
2042 if (cm->cm_flags & MFI_CMD_DATAOUT)
2043 dir |= BUS_DMASYNC_POSTWRITE;
2045 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap, dir);
2046 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
2047 cm->cm_flags &= ~MFI_CMD_MAPPED;
2050 cm->cm_flags |= MFI_CMD_COMPLETED;
2052 if (cm->cm_complete != NULL)
2053 cm->cm_complete(cm);
2059 mfi_abort(struct mfi_softc *sc, struct mfi_command *cm_abort)
2061 struct mfi_command *cm;
2062 struct mfi_abort_frame *abort;
2064 uint32_t context = 0;
2066 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
2068 if ((cm = mfi_dequeue_free(sc)) == NULL) {
2072 /* Zero out the MFI frame */
2073 context = cm->cm_frame->header.context;
2074 bzero(cm->cm_frame, sizeof(union mfi_frame));
2075 cm->cm_frame->header.context = context;
2077 abort = &cm->cm_frame->abort;
2078 abort->header.cmd = MFI_CMD_ABORT;
2079 abort->header.flags = 0;
2080 abort->header.scsi_status = 0;
2081 abort->abort_context = cm_abort->cm_frame->header.context;
2082 #if defined(__x86_64__)
2083 abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr & 0xFFFFFFFF;
2084 abort->abort_mfi_addr_hi = (cm_abort->cm_frame_busaddr & 0xFFFFFFFF00000000 ) >> 32 ;
2086 abort->abort_mfi_addr_lo = cm_abort->cm_frame_busaddr;
2087 abort->abort_mfi_addr_hi = 0;
2090 cm->cm_flags = MFI_CMD_POLLED;
2092 sc->mfi_aen_cm->cm_aen_abort = 1;
2094 mfi_release_command(cm);
2096 while (i < 5 && sc->mfi_aen_cm != NULL) {
2097 lksleep(&sc->mfi_aen_cm, &sc->mfi_io_lock, 0, "mfiabort", 5 * hz);
2105 mfi_dump_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt, int len)
2107 struct mfi_command *cm;
2108 struct mfi_io_frame *io;
2110 uint32_t context = 0;
2112 if ((cm = mfi_dequeue_free(sc)) == NULL)
2115 /* Zero out the MFI frame */
2116 context = cm->cm_frame->header.context;
2117 bzero(cm->cm_frame, sizeof(union mfi_frame));
2118 cm->cm_frame->header.context = context;
2120 io = &cm->cm_frame->io;
2121 io->header.cmd = MFI_CMD_LD_WRITE;
2122 io->header.target_id = id;
2123 io->header.timeout = 0;
2124 io->header.flags = 0;
2125 io->header.scsi_status = 0;
2126 io->header.sense_len = MFI_SENSE_LEN;
2127 io->header.data_len = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
2128 #if defined(__x86_64__)
2129 io->sense_addr_lo = (cm->cm_sense_busaddr & 0xFFFFFFFF);
2130 io->sense_addr_hi = (cm->cm_sense_busaddr & 0xFFFFFFFF00000000 ) >> 32;
2132 io->sense_addr_lo = cm->cm_sense_busaddr;
2133 io->sense_addr_hi = 0;
2135 io->lba_hi = (lba & 0xffffffff00000000) >> 32;
2136 io->lba_lo = lba & 0xffffffff;
2139 cm->cm_sg = &io->sgl;
2140 cm->cm_total_frame_size = MFI_IO_FRAME_SIZE;
2141 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT;
2143 error = mfi_mapcmd(sc, cm);
2144 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
2145 BUS_DMASYNC_POSTWRITE);
2146 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
2147 mfi_release_command(cm);
2153 mfi_dump_syspd_blocks(struct mfi_softc *sc, int id, uint64_t lba, void *virt,
2156 struct mfi_command *cm;
2157 struct mfi_pass_frame *pass;
2161 if ((cm = mfi_dequeue_free(sc)) == NULL)
2164 pass = &cm->cm_frame->pass;
2165 bzero(pass->cdb, 16);
2166 pass->header.cmd = MFI_CMD_PD_SCSI_IO;
2167 pass->cdb[0] = WRITE_10;
2168 pass->cdb[2] = (lba & 0xff000000) >> 24;
2169 pass->cdb[3] = (lba & 0x00ff0000) >> 16;
2170 pass->cdb[4] = (lba & 0x0000ff00) >> 8;
2171 pass->cdb[5] = (lba & 0x000000ff);
2172 blkcount = (len + MFI_SECTOR_LEN - 1) / MFI_SECTOR_LEN;
2173 pass->cdb[7] = (blkcount & 0xff00) >> 8;
2174 pass->cdb[8] = (blkcount & 0x00ff);
2175 pass->header.target_id = id;
2176 pass->header.timeout = 0;
2177 pass->header.flags = 0;
2178 pass->header.scsi_status = 0;
2179 pass->header.sense_len = MFI_SENSE_LEN;
2180 pass->header.data_len = len;
2181 pass->header.cdb_len = 10;
2182 #if defined(__x86_64__)
2183 pass->sense_addr_lo = (cm->cm_sense_busaddr & 0xFFFFFFFF);
2184 pass->sense_addr_hi = (cm->cm_sense_busaddr & 0xFFFFFFFF00000000 ) >> 32;
2186 pass->sense_addr_lo = cm->cm_sense_busaddr;
2187 pass->sense_addr_hi = 0;
2191 cm->cm_sg = &pass->sgl;
2192 cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
2193 cm->cm_flags = MFI_CMD_POLLED | MFI_CMD_DATAOUT;
2195 error = mfi_mapcmd(sc, cm);
2196 bus_dmamap_sync(sc->mfi_buffer_dmat, cm->cm_dmamap,
2197 BUS_DMASYNC_POSTWRITE);
2198 bus_dmamap_unload(sc->mfi_buffer_dmat, cm->cm_dmamap);
2199 mfi_release_command(cm);
2205 mfi_open(struct dev_open_args *ap)
2207 cdev_t dev = ap->a_head.a_dev;
2208 struct mfi_softc *sc;
2213 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2214 if (sc->mfi_detaching)
2217 sc->mfi_flags |= MFI_FLAGS_OPEN;
2220 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2226 mfi_close(struct dev_close_args *ap)
2228 cdev_t dev = ap->a_head.a_dev;
2229 struct mfi_softc *sc;
2230 struct mfi_aen *mfi_aen_entry, *tmp;
2234 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2235 sc->mfi_flags &= ~MFI_FLAGS_OPEN;
2237 TAILQ_FOREACH_MUTABLE(mfi_aen_entry, &sc->mfi_aen_pids, aen_link, tmp) {
2238 if (mfi_aen_entry->p == curproc) {
2239 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
2241 kfree(mfi_aen_entry, M_MFIBUF);
2244 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2249 mfi_config_lock(struct mfi_softc *sc, uint32_t opcode)
2253 case MFI_DCMD_LD_DELETE:
2254 case MFI_DCMD_CFG_ADD:
2255 case MFI_DCMD_CFG_CLEAR:
2256 lockmgr(&sc->mfi_config_lock, LK_EXCLUSIVE);
2264 mfi_config_unlock(struct mfi_softc *sc, int locked)
2268 lockmgr(&sc->mfi_config_lock, LK_RELEASE);
2271 /* Perform pre-issue checks on commands from userland and possibly veto them. */
2273 mfi_check_command_pre(struct mfi_softc *sc, struct mfi_command *cm)
2275 struct mfi_disk *ld, *ld2;
2277 struct mfi_system_pd *syspd = NULL;
2281 KKASSERT(lockstatus(&sc->mfi_io_lock, curthread) != 0);
2283 switch (cm->cm_frame->dcmd.opcode) {
2284 case MFI_DCMD_LD_DELETE:
2285 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
2286 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0])
2292 error = mfi_disk_disable(ld);
2294 case MFI_DCMD_CFG_CLEAR:
2295 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
2296 error = mfi_disk_disable(ld);
2301 TAILQ_FOREACH(ld2, &sc->mfi_ld_tqh, ld_link) {
2304 mfi_disk_enable(ld2);
2308 case MFI_DCMD_PD_STATE_SET:
2309 mbox = (uint16_t *)cm->cm_frame->dcmd.mbox;
2311 if (mbox[2] == MFI_PD_STATE_UNCONFIGURED_GOOD) {
2312 if (!TAILQ_EMPTY(&sc->mfi_syspd_tqh)) {
2313 TAILQ_FOREACH(syspd, &sc->mfi_syspd_tqh, pd_link) {
2314 if (syspd->pd_id == syspd_id)
2322 error = mfi_syspd_disable(syspd);
2330 /* Perform post-issue checks on commands from userland. */
2332 mfi_check_command_post(struct mfi_softc *sc, struct mfi_command *cm)
2334 struct mfi_disk *ld, *ldn;
2335 struct mfi_system_pd *syspd = NULL;
2339 switch (cm->cm_frame->dcmd.opcode) {
2340 case MFI_DCMD_LD_DELETE:
2341 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
2342 if (ld->ld_id == cm->cm_frame->dcmd.mbox[0])
2345 KASSERT(ld != NULL, ("volume dissappeared"));
2346 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) {
2347 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2349 device_delete_child(sc->mfi_dev, ld->ld_dev);
2351 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2353 mfi_disk_enable(ld);
2355 case MFI_DCMD_CFG_CLEAR:
2356 if (cm->cm_frame->header.cmd_status == MFI_STAT_OK) {
2357 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2359 TAILQ_FOREACH_MUTABLE(ld, &sc->mfi_ld_tqh, ld_link, ldn) {
2360 device_delete_child(sc->mfi_dev, ld->ld_dev);
2363 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2365 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link)
2366 mfi_disk_enable(ld);
2369 case MFI_DCMD_CFG_ADD:
2372 case MFI_DCMD_CFG_FOREIGN_IMPORT:
2375 case MFI_DCMD_PD_STATE_SET:
2376 mbox = (uint16_t *)cm->cm_frame->dcmd.mbox;
2378 if (mbox[2] == MFI_PD_STATE_UNCONFIGURED_GOOD) {
2379 if (!TAILQ_EMPTY(&sc->mfi_syspd_tqh)) {
2380 TAILQ_FOREACH(syspd,&sc->mfi_syspd_tqh,pd_link) {
2381 if (syspd->pd_id == syspd_id)
2388 /* If the transition fails then enable the syspd again */
2389 if(syspd && cm->cm_frame->header.cmd_status != MFI_STAT_OK)
2390 mfi_syspd_enable(syspd);
2396 mfi_user_command(struct mfi_softc *sc, struct mfi_ioc_passthru *ioc)
2398 struct mfi_command *cm;
2399 struct mfi_dcmd_frame *dcmd;
2400 void *ioc_buf = NULL;
2402 int error = 0, locked;
2405 if (ioc->buf_size > 0) {
2406 ioc_buf = kmalloc(ioc->buf_size, M_MFIBUF, M_WAITOK);
2407 error = copyin(ioc->buf, ioc_buf, ioc->buf_size);
2409 device_printf(sc->mfi_dev, "failed to copyin\n");
2410 kfree(ioc_buf, M_MFIBUF);
2415 locked = mfi_config_lock(sc, ioc->ioc_frame.opcode);
2417 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2418 while ((cm = mfi_dequeue_free(sc)) == NULL)
2419 lksleep(mfi_user_command, &sc->mfi_io_lock, 0, "mfiioc", hz);
2421 /* Save context for later */
2422 context = cm->cm_frame->header.context;
2424 dcmd = &cm->cm_frame->dcmd;
2425 bcopy(&ioc->ioc_frame, dcmd, sizeof(struct mfi_dcmd_frame));
2427 cm->cm_sg = &dcmd->sgl;
2428 cm->cm_total_frame_size = MFI_DCMD_FRAME_SIZE;
2429 cm->cm_data = ioc_buf;
2430 cm->cm_len = ioc->buf_size;
2432 /* restore context */
2433 cm->cm_frame->header.context = context;
2435 /* Cheat since we don't know if we're writing or reading */
2436 cm->cm_flags = MFI_CMD_DATAIN | MFI_CMD_DATAOUT;
2438 error = mfi_check_command_pre(sc, cm);
2442 error = mfi_wait_command(sc, cm);
2444 device_printf(sc->mfi_dev, "ioctl failed %d\n", error);
2447 bcopy(dcmd, &ioc->ioc_frame, sizeof(struct mfi_dcmd_frame));
2448 mfi_check_command_post(sc, cm);
2450 mfi_release_command(cm);
2451 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2452 mfi_config_unlock(sc, locked);
2453 if (ioc->buf_size > 0)
2454 error = copyout(ioc_buf, ioc->buf, ioc->buf_size);
2456 kfree(ioc_buf, M_MFIBUF);
2461 #define PTRIN(p) ((void *)(uintptr_t)(p))
2463 #define PTRIN(p) (p)
2467 mfi_check_for_sscd(struct mfi_softc *sc, struct mfi_command *cm)
2469 struct mfi_config_data *conf_data = cm->cm_data;
2470 struct mfi_command *ld_cm = NULL;
2471 struct mfi_ld_info *ld_info = NULL;
2474 if ((cm->cm_frame->dcmd.opcode == MFI_DCMD_CFG_ADD) &&
2475 (conf_data->ld[0].params.isSSCD == 1)) {
2477 } else if (cm->cm_frame->dcmd.opcode == MFI_DCMD_LD_DELETE) {
2478 error = mfi_dcmd_command(sc, &ld_cm, MFI_DCMD_LD_GET_INFO,
2479 (void **)&ld_info, sizeof(*ld_info));
2481 device_printf(sc->mfi_dev,"Failed to allocate "
2482 "MFI_DCMD_LD_GET_INFO %d", error);
2484 kfree(ld_info, M_MFIBUF);
2487 ld_cm->cm_flags = MFI_CMD_DATAIN;
2488 ld_cm->cm_frame->dcmd.mbox[0]= cm->cm_frame->dcmd.mbox[0];
2489 ld_cm->cm_frame->header.target_id = cm->cm_frame->dcmd.mbox[0];
2490 if (mfi_wait_command(sc, ld_cm) != 0) {
2491 device_printf(sc->mfi_dev, "failed to get log drv\n");
2492 mfi_release_command(ld_cm);
2493 kfree(ld_info, M_MFIBUF);
2497 if (ld_cm->cm_frame->header.cmd_status != MFI_STAT_OK) {
2498 kfree(ld_info, M_MFIBUF);
2499 mfi_release_command(ld_cm);
2502 ld_info = (struct mfi_ld_info *)ld_cm->cm_private;
2505 if (ld_info->ld_config.params.isSSCD == 1)
2508 mfi_release_command(ld_cm);
2509 kfree(ld_info, M_MFIBUF);
2515 mfi_ioctl(struct dev_ioctl_args *ap)
2517 cdev_t dev = ap->a_head.a_dev;
2518 u_long cmd = ap->a_cmd;
2519 int flag = ap->a_fflag;
2520 caddr_t arg = ap->a_data;
2521 struct mfi_softc *sc;
2522 union mfi_statrequest *ms;
2523 struct mfi_ioc_packet *ioc;
2525 struct mfi_ioc_packet32 *ioc32;
2527 struct mfi_ioc_aen *aen;
2528 struct mfi_command *cm = NULL;
2530 union mfi_sense_ptr sense_ptr;
2531 uint8_t *data = NULL, *temp, *addr, skip_pre_post = 0;
2534 struct mfi_ioc_passthru *iop = (struct mfi_ioc_passthru *)arg;
2536 struct mfi_ioc_passthru32 *iop32 = (struct mfi_ioc_passthru32 *)arg;
2537 struct mfi_ioc_passthru iop_swab;
2546 ms = (union mfi_statrequest *)arg;
2547 switch (ms->ms_item) {
2552 bcopy(&sc->mfi_qstat[ms->ms_item], &ms->ms_qstat,
2553 sizeof(struct mfi_qstat));
2560 case MFIIO_QUERY_DISK:
2562 struct mfi_query_disk *qd;
2563 struct mfi_disk *ld;
2565 qd = (struct mfi_query_disk *)arg;
2566 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2567 TAILQ_FOREACH(ld, &sc->mfi_ld_tqh, ld_link) {
2568 if (ld->ld_id == qd->array_id)
2573 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2577 if (ld->ld_flags & MFI_DISK_FLAGS_OPEN)
2579 bzero(qd->devname, SPECNAMELEN + 1);
2580 ksnprintf(qd->devname, SPECNAMELEN, "mfid%d", ld->ld_unit);
2581 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2589 devclass_t devclass;
2590 ioc = (struct mfi_ioc_packet *)arg;
2593 adapter = ioc->mfi_adapter_no;
2594 if (device_get_unit(sc->mfi_dev) == 0 && adapter != 0) {
2595 devclass = devclass_find("mfi");
2596 sc = devclass_get_softc(devclass, adapter);
2598 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2599 if ((cm = mfi_dequeue_free(sc)) == NULL) {
2600 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2603 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2607 * save off original context since copying from user
2608 * will clobber some data
2610 context = cm->cm_frame->header.context;
2612 bcopy(ioc->mfi_frame.raw, cm->cm_frame,
2613 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */
2614 cm->cm_total_frame_size = (sizeof(union mfi_sgl)
2615 * ioc->mfi_sge_count) + ioc->mfi_sgl_off;
2616 cm->cm_frame->header.scsi_status = 0;
2617 cm->cm_frame->header.pad0 = 0;
2618 if (ioc->mfi_sge_count) {
2620 (union mfi_sgl *)&cm->cm_frame->bytes[ioc->mfi_sgl_off];
2623 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN)
2624 cm->cm_flags |= MFI_CMD_DATAIN;
2625 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT)
2626 cm->cm_flags |= MFI_CMD_DATAOUT;
2627 /* Legacy app shim */
2628 if (cm->cm_flags == 0)
2629 cm->cm_flags |= MFI_CMD_DATAIN | MFI_CMD_DATAOUT;
2630 cm->cm_len = cm->cm_frame->header.data_len;
2631 if (cm->cm_frame->header.cmd == MFI_CMD_STP) {
2633 if (cmd == MFI_CMD) {
2636 cm->cm_stp_len = ioc->mfi_sgl[0].iov_len;
2639 /* 32bit on 64bit */
2640 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2641 cm->cm_stp_len = ioc32->mfi_sgl[0].iov_len;
2644 cm->cm_len += cm->cm_stp_len;
2647 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) {
2648 cm->cm_data = data = kmalloc(cm->cm_len, M_MFIBUF,
2650 if (cm->cm_data == NULL) {
2651 device_printf(sc->mfi_dev, "Malloc failed\n");
2658 /* restore header context */
2659 cm->cm_frame->header.context = context;
2662 if ((cm->cm_flags & MFI_CMD_DATAOUT) ||
2663 (cm->cm_frame->header.cmd == MFI_CMD_STP)) {
2664 for (i = 0; i < ioc->mfi_sge_count; i++) {
2666 if (cmd == MFI_CMD) {
2669 addr = ioc->mfi_sgl[i].iov_base;
2670 len = ioc->mfi_sgl[i].iov_len;
2673 /* 32bit on 64bit */
2674 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2675 addr = PTRIN(ioc32->mfi_sgl[i].iov_base);
2676 len = ioc32->mfi_sgl[i].iov_len;
2679 error = copyin(addr, temp, len);
2681 device_printf(sc->mfi_dev,
2682 "Copy in failed\n");
2689 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD)
2690 locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode);
2692 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) {
2693 #if defined(__x86_64__)
2694 cm->cm_frame->pass.sense_addr_lo =
2695 (cm->cm_sense_busaddr & 0xFFFFFFFF);
2696 cm->cm_frame->pass.sense_addr_hi =
2697 (cm->cm_sense_busaddr& 0xFFFFFFFF00000000) >> 32;
2699 cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr;
2700 cm->cm_frame->pass.sense_addr_hi = 0;
2704 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2705 skip_pre_post = mfi_check_for_sscd(sc, cm);
2706 if (!skip_pre_post) {
2707 error = mfi_check_command_pre(sc, cm);
2709 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2714 if ((error = mfi_wait_command(sc, cm)) != 0) {
2715 device_printf(sc->mfi_dev,
2716 "Controller polled failed\n");
2717 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2722 mfi_check_command_post(sc, cm);
2723 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2726 if ((cm->cm_flags & MFI_CMD_DATAIN) ||
2727 (cm->cm_frame->header.cmd == MFI_CMD_STP)) {
2728 for (i = 0; i < ioc->mfi_sge_count; i++) {
2730 if (cmd == MFI_CMD) {
2733 addr = ioc->mfi_sgl[i].iov_base;
2734 len = ioc->mfi_sgl[i].iov_len;
2737 /* 32bit on 64bit */
2738 ioc32 = (struct mfi_ioc_packet32 *)ioc;
2739 addr = PTRIN(ioc32->mfi_sgl[i].iov_base);
2740 len = ioc32->mfi_sgl[i].iov_len;
2743 error = copyout(temp, addr, len);
2745 device_printf(sc->mfi_dev,
2746 "Copy out failed\n");
2753 if (ioc->mfi_sense_len) {
2754 /* get user-space sense ptr then copy out sense */
2755 bcopy(&ioc->mfi_frame.raw[ioc->mfi_sense_off],
2756 &sense_ptr.sense_ptr_data[0],
2757 sizeof(sense_ptr.sense_ptr_data));
2759 if (cmd != MFI_CMD) {
2761 * not 64bit native so zero out any address
2763 sense_ptr.addr.high = 0;
2766 error = copyout(cm->cm_sense, sense_ptr.user_space,
2767 ioc->mfi_sense_len);
2769 device_printf(sc->mfi_dev,
2770 "Copy out failed\n");
2775 ioc->mfi_frame.hdr.cmd_status = cm->cm_frame->header.cmd_status;
2777 mfi_config_unlock(sc, locked);
2779 kfree(data, M_MFIBUF);
2781 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2782 mfi_release_command(cm);
2783 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2789 aen = (struct mfi_ioc_aen *)arg;
2790 error = mfi_aen_register(sc, aen->aen_seq_num,
2791 aen->aen_class_locale);
2794 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */
2796 devclass_t devclass;
2797 struct mfi_linux_ioc_packet l_ioc;
2800 devclass = devclass_find("mfi");
2801 if (devclass == NULL)
2804 error = copyin(arg, &l_ioc, sizeof(l_ioc));
2807 adapter = l_ioc.lioc_adapter_no;
2808 sc = devclass_get_softc(devclass, adapter);
2811 return (mfi_linux_ioctl_int(sc->mfi_cdev,
2815 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */
2817 devclass_t devclass;
2818 struct mfi_linux_ioc_aen l_aen;
2821 devclass = devclass_find("mfi");
2822 if (devclass == NULL)
2825 error = copyin(arg, &l_aen, sizeof(l_aen));
2828 adapter = l_aen.laen_adapter_no;
2829 sc = devclass_get_softc(devclass, adapter);
2832 return (mfi_linux_ioctl_int(sc->mfi_cdev,
2837 case MFIIO_PASSTHRU32:
2838 iop_swab.ioc_frame = iop32->ioc_frame;
2839 iop_swab.buf_size = iop32->buf_size;
2840 iop_swab.buf = PTRIN(iop32->buf);
2844 case MFIIO_PASSTHRU:
2845 error = mfi_user_command(sc, iop);
2847 if (cmd == MFIIO_PASSTHRU32)
2848 iop32->ioc_frame = iop_swab.ioc_frame;
2852 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd);
2861 mfi_linux_ioctl_int(struct cdev *dev, u_long cmd, caddr_t arg, int flag)
2863 struct mfi_softc *sc;
2864 struct mfi_linux_ioc_packet l_ioc;
2865 struct mfi_linux_ioc_aen l_aen;
2866 struct mfi_command *cm = NULL;
2867 struct mfi_aen *mfi_aen_entry;
2868 union mfi_sense_ptr sense_ptr;
2870 uint8_t *data = NULL, *temp;
2877 case MFI_LINUX_CMD_2: /* Firmware Linux ioctl shim */
2878 error = copyin(arg, &l_ioc, sizeof(l_ioc));
2882 if (l_ioc.lioc_sge_count > MAX_LINUX_IOCTL_SGE) {
2886 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2887 if ((cm = mfi_dequeue_free(sc)) == NULL) {
2888 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2891 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2895 * save off original context since copying from user
2896 * will clobber some data
2898 context = cm->cm_frame->header.context;
2900 bcopy(l_ioc.lioc_frame.raw, cm->cm_frame,
2901 2 * MFI_DCMD_FRAME_SIZE); /* this isn't quite right */
2902 cm->cm_total_frame_size = (sizeof(union mfi_sgl)
2903 * l_ioc.lioc_sge_count) + l_ioc.lioc_sgl_off;
2904 cm->cm_frame->header.scsi_status = 0;
2905 cm->cm_frame->header.pad0 = 0;
2906 if (l_ioc.lioc_sge_count)
2908 (union mfi_sgl *)&cm->cm_frame->bytes[l_ioc.lioc_sgl_off];
2910 if (cm->cm_frame->header.flags & MFI_FRAME_DATAIN)
2911 cm->cm_flags |= MFI_CMD_DATAIN;
2912 if (cm->cm_frame->header.flags & MFI_FRAME_DATAOUT)
2913 cm->cm_flags |= MFI_CMD_DATAOUT;
2914 cm->cm_len = cm->cm_frame->header.data_len;
2916 (cm->cm_flags & (MFI_CMD_DATAIN | MFI_CMD_DATAOUT))) {
2917 cm->cm_data = data = kmalloc(cm->cm_len, M_MFIBUF,
2919 if (cm->cm_data == NULL) {
2920 device_printf(sc->mfi_dev, "Malloc failed\n");
2927 /* restore header context */
2928 cm->cm_frame->header.context = context;
2931 if (cm->cm_flags & MFI_CMD_DATAOUT) {
2932 for (i = 0; i < l_ioc.lioc_sge_count; i++) {
2933 error = copyin(PTRIN(l_ioc.lioc_sgl[i].iov_base),
2935 l_ioc.lioc_sgl[i].iov_len);
2937 device_printf(sc->mfi_dev,
2938 "Copy in failed\n");
2941 temp = &temp[l_ioc.lioc_sgl[i].iov_len];
2945 if (cm->cm_frame->header.cmd == MFI_CMD_DCMD)
2946 locked = mfi_config_lock(sc, cm->cm_frame->dcmd.opcode);
2948 if (cm->cm_frame->header.cmd == MFI_CMD_PD_SCSI_IO) {
2949 #if defined(__x86_64__)
2950 cm->cm_frame->pass.sense_addr_lo =
2951 (cm->cm_sense_busaddr & 0xFFFFFFFF);
2952 cm->cm_frame->pass.sense_addr_hi =
2953 (cm->cm_sense_busaddr & 0xFFFFFFFF00000000) >> 32;
2955 cm->cm_frame->pass.sense_addr_lo = cm->cm_sense_busaddr;
2956 cm->cm_frame->pass.sense_addr_hi = 0;
2960 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
2961 error = mfi_check_command_pre(sc, cm);
2963 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2967 if ((error = mfi_wait_command(sc, cm)) != 0) {
2968 device_printf(sc->mfi_dev,
2969 "Controller polled failed\n");
2970 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2974 mfi_check_command_post(sc, cm);
2975 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
2978 if (cm->cm_flags & MFI_CMD_DATAIN) {
2979 for (i = 0; i < l_ioc.lioc_sge_count; i++) {
2980 error = copyout(temp,
2981 PTRIN(l_ioc.lioc_sgl[i].iov_base),
2982 l_ioc.lioc_sgl[i].iov_len);
2984 device_printf(sc->mfi_dev,
2985 "Copy out failed\n");
2988 temp = &temp[l_ioc.lioc_sgl[i].iov_len];
2992 if (l_ioc.lioc_sense_len) {
2993 /* get user-space sense ptr then copy out sense */
2994 bcopy(&((struct mfi_linux_ioc_packet*)arg)
2995 ->lioc_frame.raw[l_ioc.lioc_sense_off],
2996 &sense_ptr.sense_ptr_data[0],
2997 sizeof(sense_ptr.sense_ptr_data));
3000 * only 32bit Linux support so zero out any
3001 * address over 32bit
3003 sense_ptr.addr.high = 0;
3005 error = copyout(cm->cm_sense, sense_ptr.user_space,
3006 l_ioc.lioc_sense_len);
3008 device_printf(sc->mfi_dev,
3009 "Copy out failed\n");
3014 error = copyout(&cm->cm_frame->header.cmd_status,
3015 &((struct mfi_linux_ioc_packet*)arg)
3016 ->lioc_frame.hdr.cmd_status,
3019 device_printf(sc->mfi_dev,
3020 "Copy out failed\n");
3025 mfi_config_unlock(sc, locked);
3027 kfree(data, M_MFIBUF);
3029 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
3030 mfi_release_command(cm);
3031 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
3035 case MFI_LINUX_SET_AEN_2: /* AEN Linux ioctl shim */
3036 error = copyin(arg, &l_aen, sizeof(l_aen));
3039 kprintf("AEN IMPLEMENTED for pid %d\n", curproc->p_pid);
3040 mfi_aen_entry = kmalloc(sizeof(struct mfi_aen), M_MFIBUF,
3042 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
3043 if (mfi_aen_entry != NULL) {
3044 mfi_aen_entry->p = curproc;
3045 TAILQ_INSERT_TAIL(&sc->mfi_aen_pids, mfi_aen_entry,
3048 error = mfi_aen_register(sc, l_aen.laen_seq_num,
3049 l_aen.laen_class_locale);
3052 TAILQ_REMOVE(&sc->mfi_aen_pids, mfi_aen_entry,
3054 kfree(mfi_aen_entry, M_MFIBUF);
3056 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
3060 device_printf(sc->mfi_dev, "IOCTL 0x%lx not handled\n", cmd);
3069 mfi_kqfilter(struct dev_kqfilter_args *ap)
3071 cdev_t dev = ap->a_head.a_dev;
3072 struct knote *kn = ap->a_kn;
3073 struct mfi_softc *sc;
3074 struct klist *klist;
3079 switch (kn->kn_filter) {
3081 kn->kn_fop = &mfi_read_filterops;
3082 kn->kn_hook = (caddr_t)sc;
3085 kn->kn_fop = &mfi_write_filterops;
3086 kn->kn_hook = (caddr_t)sc;
3089 ap->a_result = EOPNOTSUPP;
3093 klist = &sc->mfi_kq.ki_note;
3094 knote_insert(klist, kn);
3100 mfi_filter_detach(struct knote *kn)
3102 struct mfi_softc *sc = (struct mfi_softc *)kn->kn_hook;
3103 struct klist *klist = &sc->mfi_kq.ki_note;
3105 knote_remove(klist, kn);
3109 mfi_filter_read(struct knote *kn, long hint)
3111 struct mfi_softc *sc = (struct mfi_softc *)kn->kn_hook;
3114 if (sc->mfi_aen_triggered != 0) {
3116 sc->mfi_aen_triggered = 0;
3118 if (sc->mfi_aen_triggered == 0 && sc->mfi_aen_cm == NULL)
3119 kn->kn_flags |= EV_ERROR;
3122 sc->mfi_poll_waiting = 1;
3128 mfi_filter_write(struct knote *kn, long hint)
3136 struct mfi_softc *sc;
3137 struct mfi_command *cm;
3143 dc = devclass_find("mfi");
3145 kprintf("No mfi dev class\n");
3149 for (i = 0; ; i++) {
3150 sc = devclass_get_softc(dc, i);
3153 device_printf(sc->mfi_dev, "Dumping\n\n");
3155 deadline = time_second - MFI_CMD_TIMEOUT;
3156 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
3157 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) {
3158 if (cm->cm_timestamp < deadline) {
3159 device_printf(sc->mfi_dev,
3160 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm,
3161 (int)(time_second - cm->cm_timestamp));
3172 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
3179 mfi_timeout(void *data)
3181 struct mfi_softc *sc = (struct mfi_softc *)data;
3182 struct mfi_command *cm;
3186 deadline = time_second - MFI_CMD_TIMEOUT;
3187 lockmgr(&sc->mfi_io_lock, LK_EXCLUSIVE);
3188 TAILQ_FOREACH(cm, &sc->mfi_busy, cm_link) {
3189 if (sc->mfi_aen_cm == cm)
3191 if ((sc->mfi_aen_cm != cm) && (cm->cm_timestamp < deadline)) {
3192 device_printf(sc->mfi_dev,
3193 "COMMAND %p TIMEOUT AFTER %d SECONDS\n", cm,
3194 (int)(time_second - cm->cm_timestamp));
3196 MFI_VALIDATE_CMD(sc, cm);
3206 lockmgr(&sc->mfi_io_lock, LK_RELEASE);
3208 callout_reset(&sc->mfi_watchdog_callout, MFI_CMD_TIMEOUT * hz,