2 * PCI specific probe and attach routines for LSI Fusion Adapters
5 * Copyright (c) 2000, 2001 by Greg Ansley
6 * Partially derived from Matt Jacob's ISP driver.
7 * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002 by Matthew Jacob
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice immediately at the beginning of the file, without modification,
16 * this list of conditions, and the following disclaimer.
17 * 2. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * Copyright (c) 2002, 2006 by Matthew Jacob
34 * All rights reserved.
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions are
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
42 * substantially similar to the "NO WARRANTY" disclaimer below
43 * ("Disclaimer") and any redistribution must be conditioned upon including
44 * a substantially similar Disclaimer requirement for further binary
46 * 3. Neither the names of the above listed copyright holders nor the names
47 * of any contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
51 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
54 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
60 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 * Support from Chris Ellsworth in order to make SAS adapters work
63 * is gratefully acknowledged.
65 * Support from LSI-Logic has also gone a great deal toward making this a
66 * workable subsystem and is gratefully acknowledged.
69 * Copyright (c) 2004, Avid Technology, Inc. and its contributors.
70 * Copyright (c) 2005, WHEEL Sp. z o.o.
71 * Copyright (c) 2004, 2005 Justin T. Gibbs
72 * All rights reserved.
74 * Redistribution and use in source and binary forms, with or without
75 * modification, are permitted provided that the following conditions are
77 * 1. Redistributions of source code must retain the above copyright
78 * notice, this list of conditions and the following disclaimer.
79 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
80 * substantially similar to the "NO WARRANTY" disclaimer below
81 * ("Disclaimer") and any redistribution must be conditioned upon including
82 * a substantially similar Disclaimer requirement for further binary
84 * 3. Neither the names of the above listed copyright holders nor the names
85 * of any contributors may be used to endorse or promote products derived
86 * from this software without specific prior written permission.
88 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
89 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
90 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
91 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
92 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
93 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
94 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
95 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
96 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
97 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF THE COPYRIGHT
98 * OWNER OR CONTRIBUTOR IS ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
100 * $FreeBSD: src/sys/dev/mpt/mpt_pci.c,v 1.70 2012/04/04 20:42:45 marius Exp $
103 #include <dev/disk/mpt/mpt.h>
104 #include <dev/disk/mpt/mpt_cam.h>
105 #include <dev/disk/mpt/mpt_raid.h>
108 * XXX it seems no other MPT driver knows about the following chips.
111 #ifndef MPI_MANUFACTPAGE_DEVICEID_FC909_FB
112 #define MPI_MANUFACTPAGE_DEVICEID_FC909_FB 0x0620
115 #ifndef MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB
116 #define MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB 0x0625
119 #ifndef MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB
120 #define MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB 0x0623
123 #ifndef MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB
124 #define MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB 0x0627
127 #ifndef MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB
128 #define MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB 0x0629
131 #ifndef MPI_MANUFACTPAGE_DEVID_SAS1068A_FB
132 #define MPI_MANUFACTPAGE_DEVID_SAS1068A_FB 0x0055
135 #ifndef MPI_MANUFACTPAGE_DEVID_SAS1068E_FB
136 #define MPI_MANUFACTPAGE_DEVID_SAS1068E_FB 0x0059
139 #ifndef MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB
140 #define MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB 0x007C
143 #ifndef PCIM_CMD_SERRESPEN
144 #define PCIM_CMD_SERRESPEN 0x0100
147 static int mpt_pci_probe(device_t);
148 static int mpt_pci_attach(device_t);
149 static void mpt_free_bus_resources(struct mpt_softc *mpt);
150 static int mpt_pci_detach(device_t);
151 static int mpt_pci_shutdown(device_t);
152 static int mpt_dma_mem_alloc(struct mpt_softc *mpt);
153 static void mpt_dma_mem_free(struct mpt_softc *mpt);
155 static void mpt_read_config_regs(struct mpt_softc *mpt);
156 static void mpt_set_config_regs(struct mpt_softc *mpt);
158 static void mpt_pci_intr(void *);
160 static device_method_t mpt_methods[] = {
161 /* Device interface */
162 DEVMETHOD(device_probe, mpt_pci_probe),
163 DEVMETHOD(device_attach, mpt_pci_attach),
164 DEVMETHOD(device_detach, mpt_pci_detach),
165 DEVMETHOD(device_shutdown, mpt_pci_shutdown),
169 static driver_t mpt_driver = {
170 "mpt", mpt_methods, sizeof(struct mpt_softc)
172 static devclass_t mpt_devclass;
173 DRIVER_MODULE(mpt, pci, mpt_driver, mpt_devclass, NULL, NULL);
174 MODULE_DEPEND(mpt, pci, 1, 1, 1);
175 MODULE_VERSION(mpt, 1);
178 mpt_pci_probe(device_t dev)
183 if (pci_get_vendor(dev) != MPI_MANUFACTPAGE_VENDORID_LSILOGIC)
186 rval = BUS_PROBE_DEFAULT;
187 switch (pci_get_device(dev)) {
188 case MPI_MANUFACTPAGE_DEVICEID_FC909_FB:
189 desc = "LSILogic FC909 FC Adapter";
191 case MPI_MANUFACTPAGE_DEVICEID_FC909:
192 desc = "LSILogic FC909A FC Adapter";
194 case MPI_MANUFACTPAGE_DEVICEID_FC919:
195 desc = "LSILogic FC919 FC Adapter";
197 case MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB:
198 desc = "LSILogic FC919 LAN Adapter";
200 case MPI_MANUFACTPAGE_DEVICEID_FC929:
201 desc = "Dual LSILogic FC929 FC Adapter";
203 case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
204 desc = "Dual LSILogic FC929 LAN Adapter";
206 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
207 desc = "LSILogic FC919 FC PCI-X Adapter";
209 case MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB:
210 desc = "LSILogic FC919 LAN PCI-X Adapter";
212 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
213 desc = "Dual LSILogic FC929X 2Gb/s FC PCI-X Adapter";
215 case MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB:
216 desc = "Dual LSILogic FC929X LAN PCI-X Adapter";
218 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
219 desc = "Dual LSILogic FC7X04X 4Gb/s FC PCI-Express Adapter";
221 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
222 desc = "Dual LSILogic FC7X04X 4Gb/s FC PCI-X Adapter";
224 case MPI_MANUFACTPAGE_DEVID_53C1030:
225 case MPI_MANUFACTPAGE_DEVID_53C1030ZC:
226 desc = "LSILogic 1030 Ultra4 Adapter";
228 case MPI_MANUFACTPAGE_DEVID_SAS1068E_FB:
230 * Allow mfi(4) to claim this device in case it's in MegaRAID
233 rval = BUS_PROBE_LOW_PRIORITY;
235 case MPI_MANUFACTPAGE_DEVID_SAS1064:
236 case MPI_MANUFACTPAGE_DEVID_SAS1064A:
237 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
238 case MPI_MANUFACTPAGE_DEVID_SAS1066:
239 case MPI_MANUFACTPAGE_DEVID_SAS1066E:
240 case MPI_MANUFACTPAGE_DEVID_SAS1068:
241 case MPI_MANUFACTPAGE_DEVID_SAS1068A_FB:
242 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
243 case MPI_MANUFACTPAGE_DEVID_SAS1078:
244 case MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB:
245 desc = "LSILogic SAS/SATA Adapter";
251 device_set_desc(dev, desc);
256 mpt_set_options(struct mpt_softc *mpt)
262 if (kgetenv_int("mpt_disable", &bitmap)) {
263 if (bitmap & (1 << mpt->unit)) {
268 if (kgetenv_int("mpt_debug", &bitmap)) {
269 if (bitmap & (1 << mpt->unit)) {
270 mpt->verbose = MPT_PRT_DEBUG;
274 if (kgetenv_int("mpt_debug1", &bitmap)) {
275 if (bitmap & (1 << mpt->unit)) {
276 mpt->verbose = MPT_PRT_DEBUG1;
280 if (kgetenv_int("mpt_debug2", &bitmap)) {
281 if (bitmap & (1 << mpt->unit)) {
282 mpt->verbose = MPT_PRT_DEBUG2;
286 if (kgetenv_int("mpt_debug3", &bitmap)) {
287 if (bitmap & (1 << mpt->unit)) {
288 mpt->verbose = MPT_PRT_DEBUG3;
292 mpt->cfg_role = MPT_ROLE_DEFAULT;
294 if (kgetenv_int("mpt_nil_role", &bitmap)) {
295 if (bitmap & (1 << mpt->unit)) {
298 mpt->do_cfg_role = 1;
301 if (kgetenv_int("mpt_tgt_role", &bitmap)) {
302 if (bitmap & (1 << mpt->unit)) {
303 mpt->cfg_role |= MPT_ROLE_TARGET;
305 mpt->do_cfg_role = 1;
308 if (kgetenv_int("mpt_ini_role", &bitmap)) {
309 if (bitmap & (1 << mpt->unit)) {
310 mpt->cfg_role |= MPT_ROLE_INITIATOR;
312 mpt->do_cfg_role = 1;
318 if (kgetenv_int("hw.mpt.msi.enable", &tval))
319 mpt->msi_enable = tval;
323 mpt_link_peer(struct mpt_softc *mpt)
325 struct mpt_softc *mpt2;
327 if (mpt->unit == 0) {
331 * XXX: depends on probe order
333 mpt2 = (struct mpt_softc *)devclass_get_softc(mpt_devclass,mpt->unit-1);
338 if (pci_get_vendor(mpt2->dev) != pci_get_vendor(mpt->dev)) {
341 if (pci_get_device(mpt2->dev) != pci_get_device(mpt->dev)) {
346 if (mpt->verbose >= MPT_PRT_DEBUG) {
347 mpt_prt(mpt, "linking with peer (mpt%d)\n",
348 device_get_unit(mpt2->dev));
353 mpt_unlink_peer(struct mpt_softc *mpt)
357 mpt->mpt2->mpt2 = NULL;
362 mpt_pci_attach(device_t dev)
364 struct mpt_softc *mpt;
367 int mpt_io_bar, mpt_mem_bar;
370 mpt = (struct mpt_softc*)device_get_softc(dev);
372 switch (pci_get_device(dev)) {
373 case MPI_MANUFACTPAGE_DEVICEID_FC909_FB:
374 case MPI_MANUFACTPAGE_DEVICEID_FC909:
375 case MPI_MANUFACTPAGE_DEVICEID_FC919:
376 case MPI_MANUFACTPAGE_DEVICEID_FC919_LAN_FB:
377 case MPI_MANUFACTPAGE_DEVICEID_FC929:
378 case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
379 case MPI_MANUFACTPAGE_DEVICEID_FC929X:
380 case MPI_MANUFACTPAGE_DEVICEID_FC929X_LAN_FB:
381 case MPI_MANUFACTPAGE_DEVICEID_FC919X:
382 case MPI_MANUFACTPAGE_DEVICEID_FC919X_LAN_FB:
383 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
384 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
387 case MPI_MANUFACTPAGE_DEVID_SAS1078:
388 case MPI_MANUFACTPAGE_DEVID_SAS1078DE_FB:
391 case MPI_MANUFACTPAGE_DEVID_SAS1064:
392 case MPI_MANUFACTPAGE_DEVID_SAS1064A:
393 case MPI_MANUFACTPAGE_DEVID_SAS1064E:
394 case MPI_MANUFACTPAGE_DEVID_SAS1066:
395 case MPI_MANUFACTPAGE_DEVID_SAS1066E:
396 case MPI_MANUFACTPAGE_DEVID_SAS1068:
397 case MPI_MANUFACTPAGE_DEVID_SAS1068A_FB:
398 case MPI_MANUFACTPAGE_DEVID_SAS1068E:
399 case MPI_MANUFACTPAGE_DEVID_SAS1068E_FB:
407 mpt->unit = device_get_unit(dev);
408 mpt->raid_resync_rate = MPT_RAID_RESYNC_RATE_DEFAULT;
409 mpt->raid_mwce_setting = MPT_RAID_MWCE_DEFAULT;
410 mpt->raid_queue_depth = MPT_RAID_QUEUE_DEPTH_DEFAULT;
411 mpt->verbose = MPT_PRT_NONE;
412 mpt->role = MPT_ROLE_NONE;
413 mpt->mpt_ini_id = MPT_INI_ID_NONE;
414 mpt_set_options(mpt);
415 if (mpt->verbose == MPT_PRT_NONE) {
416 mpt->verbose = MPT_PRT_WARN;
417 /* Print INFO level (if any) if bootverbose is set */
418 mpt->verbose += (bootverbose != 0)? 1 : 0;
420 /* Make sure memory access decoders are enabled */
421 cmd = pci_read_config(dev, PCIR_COMMAND, 2);
422 if ((cmd & PCIM_CMD_MEMEN) == 0) {
423 device_printf(dev, "Memory accesses disabled");
428 * Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
431 PCIM_CMD_SERRESPEN | PCIM_CMD_PERRESPEN |
432 PCIM_CMD_BUSMASTEREN | PCIM_CMD_MWRICEN;
433 pci_write_config(dev, PCIR_COMMAND, cmd, 2);
436 * Make sure we've disabled the ROM.
438 data = pci_read_config(dev, PCIR_BIOS, 4);
439 data &= ~PCIM_BIOS_ENABLE;
440 pci_write_config(dev, PCIR_BIOS, data, 4);
443 * Is this part a dual?
444 * If so, link with our partner (around yet)
446 switch (pci_get_device(dev)) {
447 case MPI_MANUFACTPAGE_DEVICEID_FC929:
448 case MPI_MANUFACTPAGE_DEVICEID_FC929_LAN_FB:
449 case MPI_MANUFACTPAGE_DEVICEID_FC949E:
450 case MPI_MANUFACTPAGE_DEVICEID_FC949X:
451 case MPI_MANUFACTPAGE_DEVID_53C1030:
452 case MPI_MANUFACTPAGE_DEVID_53C1030ZC:
460 * Figure out which are the I/O and MEM Bars
462 data = pci_read_config(dev, PCIR_BAR(0), 4);
463 if (PCI_BAR_IO(data)) {
464 /* BAR0 is IO, BAR1 is memory */
468 /* BAR0 is memory, BAR1 is IO */
474 * Set up register access. PIO mode is required for
475 * certain reset operations (but must be disabled for
476 * some cards otherwise).
478 mpt_io_bar = PCIR_BAR(mpt_io_bar);
479 mpt->pci_pio_reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
480 &mpt_io_bar, RF_ACTIVE);
481 if (mpt->pci_pio_reg == NULL) {
484 "unable to map registers in PIO mode\n");
487 mpt->pci_pio_st = rman_get_bustag(mpt->pci_pio_reg);
488 mpt->pci_pio_sh = rman_get_bushandle(mpt->pci_pio_reg);
491 mpt_mem_bar = PCIR_BAR(mpt_mem_bar);
492 mpt->pci_reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
493 &mpt_mem_bar, RF_ACTIVE);
494 if (mpt->pci_reg == NULL) {
495 if (bootverbose || mpt->is_sas || mpt->pci_pio_reg == NULL) {
497 "Unable to memory map registers.\n");
499 if (mpt->is_sas || mpt->pci_pio_reg == NULL) {
500 device_printf(dev, "Giving Up.\n");
504 device_printf(dev, "Falling back to PIO mode.\n");
506 mpt->pci_st = mpt->pci_pio_st;
507 mpt->pci_sh = mpt->pci_pio_sh;
509 mpt->pci_st = rman_get_bustag(mpt->pci_reg);
510 mpt->pci_sh = rman_get_bushandle(mpt->pci_reg);
513 /* Get a handle to the interrupt */
516 if (mpt->msi_enable) {
518 * First try to alloc an MSI-X message. If that
519 * fails, then try to alloc an MSI message instead.
521 if (pci_msix_count(dev) == 1) {
522 mpt->pci_msi_count = 1;
523 if (pci_alloc_msix(dev, &mpt->pci_msi_count) == 0) {
526 mpt->pci_msi_count = 0;
531 mpt->irq_type = pci_alloc_1intr(dev, mpt->msi_enable, &iqd,
533 mpt->pci_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
535 if (mpt->pci_irq == NULL) {
536 device_printf(dev, "could not allocate interrupt\n");
542 /* Disable interrupts at the part */
543 mpt_disable_ints(mpt);
545 /* Register the interrupt handler */
546 if (mpt_setup_intr(dev, mpt->pci_irq, MPT_IFLAGS, NULL, mpt_pci_intr,
548 device_printf(dev, "could not setup interrupt\n");
552 /* Allocate dma memory */
553 if (mpt_dma_mem_alloc(mpt)) {
554 mpt_prt(mpt, "Could not allocate DMA memory\n");
560 * Save the PCI config register values
562 * Hard resets are known to screw up the BAR for diagnostic
563 * memory accesses (Mem1).
565 * Using Mem1 is known to make the chip stop responding to
566 * configuration space transfers, so we need to save it now
569 mpt_read_config_regs(mpt);
573 * Disable PIO until we need it
576 pci_disable_io(dev, SYS_RES_IOPORT);
579 /* Initialize the hardware */
580 if (mpt->disabled == 0) {
581 if (mpt_attach(mpt) != 0) {
585 mpt_prt(mpt, "device disabled at user request\n");
589 mpt->eh = EVENTHANDLER_REGISTER(shutdown_post_sync, mpt_pci_shutdown,
590 dev, SHUTDOWN_PRI_DEFAULT);
592 if (mpt->eh == NULL) {
593 mpt_prt(mpt, "shutdown event registration failed\n");
594 (void) mpt_detach(mpt);
600 mpt_dma_mem_free(mpt);
601 mpt_free_bus_resources(mpt);
602 mpt_unlink_peer(mpt);
604 MPT_LOCK_DESTROY(mpt);
607 * but return zero to preserve unit numbering
616 mpt_free_bus_resources(struct mpt_softc *mpt)
620 bus_teardown_intr(mpt->dev, mpt->pci_irq, mpt->ih);
625 bus_release_resource(mpt->dev, SYS_RES_IRQ,
626 rman_get_rid(mpt->pci_irq), mpt->pci_irq);
630 if (mpt->irq_type == PCI_INTR_TYPE_MSI)
631 pci_release_msi(mpt->dev);
633 if (mpt->pci_pio_reg) {
634 bus_release_resource(mpt->dev, SYS_RES_IOPORT,
635 rman_get_rid(mpt->pci_pio_reg), mpt->pci_pio_reg);
636 mpt->pci_pio_reg = NULL;
639 bus_release_resource(mpt->dev, SYS_RES_MEMORY,
640 rman_get_rid(mpt->pci_reg), mpt->pci_reg);
643 MPT_LOCK_DESTROY(mpt);
647 * Disconnect ourselves from the system.
650 mpt_pci_detach(device_t dev)
652 struct mpt_softc *mpt;
654 mpt = (struct mpt_softc*)device_get_softc(dev);
657 mpt_disable_ints(mpt);
659 mpt_reset(mpt, /*reinit*/FALSE);
660 mpt_dma_mem_free(mpt);
661 mpt_free_bus_resources(mpt);
662 mpt_raid_free_mem(mpt);
663 if (mpt->eh != NULL) {
664 EVENTHANDLER_DEREGISTER(shutdown_post_sync, mpt->eh);
671 * Disable the hardware
674 mpt_pci_shutdown(device_t dev)
676 struct mpt_softc *mpt;
678 mpt = (struct mpt_softc *)device_get_softc(dev);
681 r = mpt_shutdown(mpt);
688 mpt_dma_mem_alloc(struct mpt_softc *mpt)
691 struct mpt_map_info mi;
693 /* Check if we alreay have allocated the reply memory */
694 if (mpt->reply_phys != 0) {
698 len = sizeof (request_t) * MPT_MAX_REQUESTS(mpt);
699 mpt->request_pool = (request_t *)kmalloc(len, M_DEVBUF, M_WAITOK|M_ZERO);
700 if (mpt->request_pool == NULL) {
701 mpt_prt(mpt, "cannot allocate request pool\n");
706 * Create a parent dma tag for this device.
708 * Align at byte boundaries,
709 * Limit to 32-bit addressing for request/reply queues.
711 if (mpt_dma_tag_create(mpt, /*parent*/NULL,
712 /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR,
713 /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL,
714 /*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
715 /*nsegments*/BUS_SPACE_UNRESTRICTED,
716 /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0,
717 &mpt->parent_dmat) != 0) {
718 mpt_prt(mpt, "cannot create parent dma tag\n");
722 /* Create a child tag for reply buffers */
723 if (mpt_dma_tag_create(mpt, mpt->parent_dmat, PAGE_SIZE, 0,
724 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
725 NULL, NULL, 2 * PAGE_SIZE, 1, BUS_SPACE_MAXSIZE_32BIT, 0,
726 &mpt->reply_dmat) != 0) {
727 mpt_prt(mpt, "cannot create a dma tag for replies\n");
731 /* Allocate some DMA accessible memory for replies */
732 if (bus_dmamem_alloc(mpt->reply_dmat, (void **)&mpt->reply,
733 BUS_DMA_NOWAIT, &mpt->reply_dmap) != 0) {
734 mpt_prt(mpt, "cannot allocate %lu bytes of reply memory\n",
735 (u_long) (2 * PAGE_SIZE));
742 /* Load and lock it into "bus space" */
743 bus_dmamap_load(mpt->reply_dmat, mpt->reply_dmap, mpt->reply,
744 2 * PAGE_SIZE, mpt_map_rquest, &mi, 0);
747 mpt_prt(mpt, "error %d loading dma map for DMA reply queue\n",
751 mpt->reply_phys = mi.phys;
756 /* Deallocate memory that was allocated by mpt_dma_mem_alloc
759 mpt_dma_mem_free(struct mpt_softc *mpt)
762 /* Make sure we aren't double destroying */
763 if (mpt->reply_dmat == NULL) {
764 mpt_lprt(mpt, MPT_PRT_DEBUG, "already released dma memory\n");
768 bus_dmamap_unload(mpt->reply_dmat, mpt->reply_dmap);
769 bus_dmamem_free(mpt->reply_dmat, mpt->reply, mpt->reply_dmap);
770 bus_dma_tag_destroy(mpt->reply_dmat);
771 bus_dma_tag_destroy(mpt->parent_dmat);
772 mpt->reply_dmat = NULL;
773 kfree(mpt->request_pool, M_DEVBUF);
774 mpt->request_pool = NULL;
778 /* Reads modifiable (via PCI transactions) config registers */
780 mpt_read_config_regs(struct mpt_softc *mpt)
783 mpt->pci_cfg.Command = pci_read_config(mpt->dev, PCIR_COMMAND, 2);
784 mpt->pci_cfg.LatencyTimer_LineSize =
785 pci_read_config(mpt->dev, PCIR_CACHELNSZ, 2);
786 mpt->pci_cfg.IO_BAR = pci_read_config(mpt->dev, PCIR_BAR(0), 4);
787 mpt->pci_cfg.Mem0_BAR[0] = pci_read_config(mpt->dev, PCIR_BAR(1), 4);
788 mpt->pci_cfg.Mem0_BAR[1] = pci_read_config(mpt->dev, PCIR_BAR(2), 4);
789 mpt->pci_cfg.Mem1_BAR[0] = pci_read_config(mpt->dev, PCIR_BAR(3), 4);
790 mpt->pci_cfg.Mem1_BAR[1] = pci_read_config(mpt->dev, PCIR_BAR(4), 4);
791 mpt->pci_cfg.ROM_BAR = pci_read_config(mpt->dev, PCIR_BIOS, 4);
792 mpt->pci_cfg.IntLine = pci_read_config(mpt->dev, PCIR_INTLINE, 1);
793 mpt->pci_cfg.PMCSR = pci_read_config(mpt->dev, 0x44, 4);
796 /* Sets modifiable config registers */
798 mpt_set_config_regs(struct mpt_softc *mpt)
802 #define MPT_CHECK(reg, offset, size) \
803 val = pci_read_config(mpt->dev, offset, size); \
804 if (mpt->pci_cfg.reg != val) { \
806 "Restoring " #reg " to 0x%X from 0x%X\n", \
807 mpt->pci_cfg.reg, val); \
810 if (mpt->verbose >= MPT_PRT_DEBUG) {
811 MPT_CHECK(Command, PCIR_COMMAND, 2);
812 MPT_CHECK(LatencyTimer_LineSize, PCIR_CACHELNSZ, 2);
813 MPT_CHECK(IO_BAR, PCIR_BAR(0), 4);
814 MPT_CHECK(Mem0_BAR[0], PCIR_BAR(1), 4);
815 MPT_CHECK(Mem0_BAR[1], PCIR_BAR(2), 4);
816 MPT_CHECK(Mem1_BAR[0], PCIR_BAR(3), 4);
817 MPT_CHECK(Mem1_BAR[1], PCIR_BAR(4), 4);
818 MPT_CHECK(ROM_BAR, PCIR_BIOS, 4);
819 MPT_CHECK(IntLine, PCIR_INTLINE, 1);
820 MPT_CHECK(PMCSR, 0x44, 4);
824 pci_write_config(mpt->dev, PCIR_COMMAND, mpt->pci_cfg.Command, 2);
825 pci_write_config(mpt->dev, PCIR_CACHELNSZ,
826 mpt->pci_cfg.LatencyTimer_LineSize, 2);
827 pci_write_config(mpt->dev, PCIR_BAR(0), mpt->pci_cfg.IO_BAR, 4);
828 pci_write_config(mpt->dev, PCIR_BAR(1), mpt->pci_cfg.Mem0_BAR[0], 4);
829 pci_write_config(mpt->dev, PCIR_BAR(2), mpt->pci_cfg.Mem0_BAR[1], 4);
830 pci_write_config(mpt->dev, PCIR_BAR(3), mpt->pci_cfg.Mem1_BAR[0], 4);
831 pci_write_config(mpt->dev, PCIR_BAR(4), mpt->pci_cfg.Mem1_BAR[1], 4);
832 pci_write_config(mpt->dev, PCIR_BIOS, mpt->pci_cfg.ROM_BAR, 4);
833 pci_write_config(mpt->dev, PCIR_INTLINE, mpt->pci_cfg.IntLine, 1);
834 pci_write_config(mpt->dev, 0x44, mpt->pci_cfg.PMCSR, 4);
839 mpt_pci_intr(void *arg)
841 struct mpt_softc *mpt;
843 mpt = (struct mpt_softc *)arg;