amr.c revision 138422
151974Smsmith/*- 265245Smsmith * Copyright (c) 1999,2000 Michael Smith 365245Smsmith * Copyright (c) 2000 BSDi 451974Smsmith * All rights reserved. 551974Smsmith * 651974Smsmith * Redistribution and use in source and binary forms, with or without 751974Smsmith * modification, are permitted provided that the following conditions 851974Smsmith * are met: 951974Smsmith * 1. Redistributions of source code must retain the above copyright 1051974Smsmith * notice, this list of conditions and the following disclaimer. 1151974Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1251974Smsmith * notice, this list of conditions and the following disclaimer in the 1351974Smsmith * documentation and/or other materials provided with the distribution. 1451974Smsmith * 1551974Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1651974Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1751974Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1851974Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1951974Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2051974Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2151974Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2251974Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2351974Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2451974Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2551974Smsmith * SUCH DAMAGE. 26119418Sobrien */ 27119418Sobrien/* 28106225Semoore * Copyright (c) 2002 Eric Moore 29106225Semoore * Copyright (c) 2002 LSI Logic Corporation 30106225Semoore * All rights reserved. 31106225Semoore * 32106225Semoore * Redistribution and use in source and binary forms, with or without 33106225Semoore * modification, are permitted provided that the following conditions 34106225Semoore * are met: 35106225Semoore * 1. Redistributions of source code must retain the above copyright 36106225Semoore * notice, this list of conditions and the following disclaimer. 37106225Semoore * 2. Redistributions in binary form must reproduce the above copyright 38106225Semoore * notice, this list of conditions and the following disclaimer in the 39106225Semoore * documentation and/or other materials provided with the distribution. 40105419Semoore * 3. The party using or redistributing the source code and binary forms 41106225Semoore * agrees to the disclaimer below and the terms and conditions set forth 42105419Semoore * herein. 43105419Semoore * 44106225Semoore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 45106225Semoore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46106225Semoore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47106225Semoore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 48106225Semoore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49106225Semoore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50106225Semoore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51106225Semoore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52106225Semoore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53106225Semoore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54106225Semoore * SUCH DAMAGE. 5551974Smsmith */ 5651974Smsmith 57119418Sobrien#include <sys/cdefs.h> 58119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/amr/amr.c 138422 2004-12-05 23:48:17Z scottl $"); 59119418Sobrien 6051974Smsmith/* 6165245Smsmith * Driver for the AMI MegaRaid family of controllers. 6251974Smsmith */ 6351974Smsmith 6451974Smsmith#include <sys/param.h> 6551974Smsmith#include <sys/systm.h> 6651974Smsmith#include <sys/malloc.h> 6751974Smsmith#include <sys/kernel.h> 6851974Smsmith 6965245Smsmith#include <dev/amr/amr_compat.h> 7051974Smsmith#include <sys/bus.h> 7151974Smsmith#include <sys/conf.h> 7265245Smsmith#include <sys/stat.h> 7351974Smsmith 7465245Smsmith#include <machine/bus_memio.h> 7565245Smsmith#include <machine/bus_pio.h> 7665245Smsmith#include <machine/bus.h> 7751974Smsmith#include <machine/resource.h> 7851974Smsmith#include <sys/rman.h> 7951974Smsmith 80119277Simp#include <dev/pci/pcireg.h> 81119277Simp#include <dev/pci/pcivar.h> 8265245Smsmith 8351974Smsmith#include <dev/amr/amrio.h> 8451974Smsmith#include <dev/amr/amrreg.h> 8551974Smsmith#include <dev/amr/amrvar.h> 8665245Smsmith#define AMR_DEFINE_TABLES 8765245Smsmith#include <dev/amr/amr_tables.h> 8851974Smsmith 8965245Smsmithstatic d_open_t amr_open; 9065245Smsmithstatic d_close_t amr_close; 9165245Smsmithstatic d_ioctl_t amr_ioctl; 9265245Smsmith 9351974Smsmithstatic struct cdevsw amr_cdevsw = { 94126080Sphk .d_version = D_VERSION, 95126080Sphk .d_flags = D_NEEDGIANT, 96111815Sphk .d_open = amr_open, 97111815Sphk .d_close = amr_close, 98111815Sphk .d_ioctl = amr_ioctl, 99111815Sphk .d_name = "amr", 10051974Smsmith}; 10151974Smsmith 10265245Smsmith/* 10365245Smsmith * Initialisation, bus interface. 10465245Smsmith */ 10565245Smsmithstatic void amr_startup(void *arg); 10651974Smsmith 10751974Smsmith/* 10851974Smsmith * Command wrappers 10951974Smsmith */ 11065245Smsmithstatic int amr_query_controller(struct amr_softc *sc); 11165245Smsmithstatic void *amr_enquiry(struct amr_softc *sc, size_t bufsize, 11265245Smsmith u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual); 11365245Smsmithstatic void amr_completeio(struct amr_command *ac); 114106225Semoorestatic int amr_support_ext_cdb(struct amr_softc *sc); 11551974Smsmith 11651974Smsmith/* 11765245Smsmith * Command buffer allocation. 11851974Smsmith */ 11965245Smsmithstatic void amr_alloccmd_cluster(struct amr_softc *sc); 12065245Smsmithstatic void amr_freecmd_cluster(struct amr_command_cluster *acc); 12151974Smsmith 12251974Smsmith/* 12365245Smsmith * Command processing. 12451974Smsmith */ 12565245Smsmithstatic int amr_bio_command(struct amr_softc *sc, struct amr_command **acp); 126138422Sscottlstatic int amr_wait_command(struct amr_command *ac) __unused; 12765245Smsmithstatic int amr_getslot(struct amr_command *ac); 128138422Sscottlstatic int amr_mapcmd(struct amr_command *ac); 12965245Smsmithstatic void amr_unmapcmd(struct amr_command *ac); 13065245Smsmithstatic int amr_start(struct amr_command *ac); 131138422Sscottlstatic int amr_start1(struct amr_softc *sc, struct amr_command *ac); 13265245Smsmithstatic void amr_complete(void *context, int pending); 133138422Sscottlstatic void amr_setup_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 134138422Sscottlstatic void amr_setup_data_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 13551974Smsmith 13651974Smsmith/* 13758883Smsmith * Status monitoring 13858883Smsmith */ 13965245Smsmithstatic void amr_periodic(void *data); 14058883Smsmith 14158883Smsmith/* 14251974Smsmith * Interface-specific shims 14351974Smsmith */ 14465245Smsmithstatic int amr_quartz_submit_command(struct amr_softc *sc); 14565245Smsmithstatic int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 146107756Semoorestatic int amr_quartz_poll_command(struct amr_command *ac); 147138422Sscottlstatic int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac); 14851974Smsmith 14965245Smsmithstatic int amr_std_submit_command(struct amr_softc *sc); 15065245Smsmithstatic int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 151107756Semoorestatic int amr_std_poll_command(struct amr_command *ac); 15265245Smsmithstatic void amr_std_attach_mailbox(struct amr_softc *sc); 15351974Smsmith 15465245Smsmith#ifdef AMR_BOARD_INIT 15565245Smsmithstatic int amr_quartz_init(struct amr_softc *sc); 15665245Smsmithstatic int amr_std_init(struct amr_softc *sc); 15765245Smsmith#endif 15865245Smsmith 15951974Smsmith/* 16051974Smsmith * Debugging 16151974Smsmith */ 16265245Smsmithstatic void amr_describe_controller(struct amr_softc *sc); 16365245Smsmith#ifdef AMR_DEBUG 164107756Semoore#if 0 16565245Smsmithstatic void amr_printcommand(struct amr_command *ac); 16665245Smsmith#endif 167107756Semoore#endif 16851974Smsmith 16951974Smsmith/******************************************************************************** 17051974Smsmith ******************************************************************************** 17165245Smsmith Inline Glue 17251974Smsmith ******************************************************************************** 17351974Smsmith ********************************************************************************/ 17451974Smsmith 17551974Smsmith/******************************************************************************** 17665245Smsmith ******************************************************************************** 17765245Smsmith Public Interfaces 17865245Smsmith ******************************************************************************** 17965245Smsmith ********************************************************************************/ 18051974Smsmith 18151974Smsmith/******************************************************************************** 18251974Smsmith * Initialise the controller and softc. 18351974Smsmith */ 18451974Smsmithint 18551974Smsmithamr_attach(struct amr_softc *sc) 18651974Smsmith{ 18751974Smsmith 18865245Smsmith debug_called(1); 18965245Smsmith 19051974Smsmith /* 19151974Smsmith * Initialise per-controller queues. 19251974Smsmith */ 19365245Smsmith TAILQ_INIT(&sc->amr_completed); 19451974Smsmith TAILQ_INIT(&sc->amr_freecmds); 19565245Smsmith TAILQ_INIT(&sc->amr_cmd_clusters); 19665245Smsmith TAILQ_INIT(&sc->amr_ready); 19759249Sphk bioq_init(&sc->amr_bioq); 19851974Smsmith 19965245Smsmith#if __FreeBSD_version >= 500005 20051974Smsmith /* 20165245Smsmith * Initialise command-completion task. 20265245Smsmith */ 20365245Smsmith TASK_INIT(&sc->amr_task_complete, 0, amr_complete, sc); 20465245Smsmith#endif 20565245Smsmith 20665245Smsmith debug(2, "queue init done"); 20765245Smsmith 20865245Smsmith /* 20951974Smsmith * Configure for this controller type. 21051974Smsmith */ 21165245Smsmith if (AMR_IS_QUARTZ(sc)) { 21251974Smsmith sc->amr_submit_command = amr_quartz_submit_command; 21351974Smsmith sc->amr_get_work = amr_quartz_get_work; 214107756Semoore sc->amr_poll_command = amr_quartz_poll_command; 215138422Sscottl sc->amr_poll_command1 = amr_quartz_poll_command1; 21651974Smsmith } else { 21751974Smsmith sc->amr_submit_command = amr_std_submit_command; 21851974Smsmith sc->amr_get_work = amr_std_get_work; 219107756Semoore sc->amr_poll_command = amr_std_poll_command; 22065245Smsmith amr_std_attach_mailbox(sc);; 22151974Smsmith } 22251974Smsmith 22365245Smsmith#ifdef AMR_BOARD_INIT 22465245Smsmith if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc)))) 22565245Smsmith return(ENXIO); 22665245Smsmith#endif 22751974Smsmith 22851974Smsmith /* 22965245Smsmith * Quiz controller for features and limits. 23051974Smsmith */ 23165245Smsmith if (amr_query_controller(sc)) 23265245Smsmith return(ENXIO); 23351974Smsmith 23465245Smsmith debug(2, "controller query complete"); 23551974Smsmith 23651974Smsmith /* 23765245Smsmith * Attach our 'real' SCSI channels to CAM. 23851974Smsmith */ 23965245Smsmith if (amr_cam_attach(sc)) 24051974Smsmith return(ENXIO); 24165245Smsmith debug(2, "CAM attach done"); 24251974Smsmith 24351974Smsmith /* 24465245Smsmith * Create the control device. 24551974Smsmith */ 24665245Smsmith sc->amr_dev_t = make_dev(&amr_cdevsw, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR, 24765245Smsmith S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev)); 24865245Smsmith sc->amr_dev_t->si_drv1 = sc; 24951974Smsmith 25051974Smsmith /* 25165245Smsmith * Schedule ourselves to bring the controller up once interrupts are 25265245Smsmith * available. 25351974Smsmith */ 25465245Smsmith bzero(&sc->amr_ich, sizeof(struct intr_config_hook)); 25565245Smsmith sc->amr_ich.ich_func = amr_startup; 25665245Smsmith sc->amr_ich.ich_arg = sc; 25765245Smsmith if (config_intrhook_establish(&sc->amr_ich) != 0) { 25865245Smsmith device_printf(sc->amr_dev, "can't establish configuration hook\n"); 25965245Smsmith return(ENOMEM); 26065245Smsmith } 26151974Smsmith 26258883Smsmith /* 26365245Smsmith * Print a little information about the controller. 26458883Smsmith */ 26565245Smsmith amr_describe_controller(sc); 26658883Smsmith 26765245Smsmith debug(2, "attach complete"); 26851974Smsmith return(0); 26951974Smsmith} 27051974Smsmith 27151974Smsmith/******************************************************************************** 27251974Smsmith * Locate disk resources and attach children to them. 27351974Smsmith */ 27465245Smsmithstatic void 27565245Smsmithamr_startup(void *arg) 27651974Smsmith{ 27765245Smsmith struct amr_softc *sc = (struct amr_softc *)arg; 27851974Smsmith struct amr_logdrive *dr; 27951974Smsmith int i, error; 28051974Smsmith 28165245Smsmith debug_called(1); 28251974Smsmith 28365245Smsmith /* pull ourselves off the intrhook chain */ 28465245Smsmith config_intrhook_disestablish(&sc->amr_ich); 28565245Smsmith 28651974Smsmith /* get up-to-date drive information */ 28751974Smsmith if (amr_query_controller(sc)) { 28865245Smsmith device_printf(sc->amr_dev, "can't scan controller for drives\n"); 28951974Smsmith return; 29051974Smsmith } 29151974Smsmith 29251974Smsmith /* iterate over available drives */ 29351974Smsmith for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) { 29451974Smsmith /* are we already attached to this drive? */ 29551974Smsmith if (dr->al_disk == 0) { 29651974Smsmith /* generate geometry information */ 29751974Smsmith if (dr->al_size > 0x200000) { /* extended translation? */ 29851974Smsmith dr->al_heads = 255; 29951974Smsmith dr->al_sectors = 63; 30051974Smsmith } else { 30151974Smsmith dr->al_heads = 64; 30251974Smsmith dr->al_sectors = 32; 30351974Smsmith } 30451974Smsmith dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors); 30551974Smsmith 30654073Smdodd dr->al_disk = device_add_child(sc->amr_dev, NULL, -1); 30751974Smsmith if (dr->al_disk == 0) 30851974Smsmith device_printf(sc->amr_dev, "device_add_child failed\n"); 30954073Smdodd device_set_ivars(dr->al_disk, dr); 31051974Smsmith } 31151974Smsmith } 31251974Smsmith 31351974Smsmith if ((error = bus_generic_attach(sc->amr_dev)) != 0) 31451974Smsmith device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error); 31551974Smsmith 31651974Smsmith /* mark controller back up */ 31751974Smsmith sc->amr_state &= ~AMR_STATE_SHUTDOWN; 31851974Smsmith 31951974Smsmith /* interrupts will be enabled before we do anything more */ 32051974Smsmith sc->amr_state |= AMR_STATE_INTEN; 32151974Smsmith 32251974Smsmith /* 32365245Smsmith * Start the timeout routine. 32451974Smsmith */ 32565245Smsmith/* sc->amr_timeout = timeout(amr_periodic, sc, hz);*/ 32651974Smsmith 32765245Smsmith return; 32851974Smsmith} 32951974Smsmith 33065245Smsmith/******************************************************************************* 33165245Smsmith * Free resources associated with a controller instance 33251974Smsmith */ 33365245Smsmithvoid 33465245Smsmithamr_free(struct amr_softc *sc) 33551974Smsmith{ 33665245Smsmith struct amr_command_cluster *acc; 33751974Smsmith 33865245Smsmith /* detach from CAM */ 339107756Semoore amr_cam_detach(sc); 34051974Smsmith 34165245Smsmith /* cancel status timeout */ 34265245Smsmith untimeout(amr_periodic, sc, sc->amr_timeout); 34351974Smsmith 34465245Smsmith /* throw away any command buffers */ 34565245Smsmith while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) { 34665245Smsmith TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link); 34765245Smsmith amr_freecmd_cluster(acc); 34851974Smsmith } 349107756Semoore 350107756Semoore /* destroy control device */ 351130585Sphk if( sc->amr_dev_t != (struct cdev *)NULL) 352107756Semoore destroy_dev(sc->amr_dev_t); 35351974Smsmith} 35451974Smsmith 35551974Smsmith/******************************************************************************* 35665245Smsmith * Receive a bio structure from a child device and queue it on a particular 35751974Smsmith * disk resource, then poke the disk resource to start as much work as it can. 35851974Smsmith */ 35951974Smsmithint 36065245Smsmithamr_submit_bio(struct amr_softc *sc, struct bio *bio) 36151974Smsmith{ 36265245Smsmith debug_called(2); 36352543Smsmith 36465245Smsmith amr_enqueue_bio(sc, bio); 36551974Smsmith amr_startio(sc); 36651974Smsmith return(0); 36751974Smsmith} 36851974Smsmith 36951974Smsmith/******************************************************************************** 37051974Smsmith * Accept an open operation on the control device. 37151974Smsmith */ 372104094Sphkstatic int 373130585Sphkamr_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 37451974Smsmith{ 37551974Smsmith int unit = minor(dev); 37689055Smsmith struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 37751974Smsmith 37865245Smsmith debug_called(1); 37965245Smsmith 38051974Smsmith sc->amr_state |= AMR_STATE_OPEN; 38151974Smsmith return(0); 38251974Smsmith} 38351974Smsmith 38451974Smsmith/******************************************************************************** 38551974Smsmith * Accept the last close on the control device. 38651974Smsmith */ 387104094Sphkstatic int 388130585Sphkamr_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 38951974Smsmith{ 39051974Smsmith int unit = minor(dev); 39189055Smsmith struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 39251974Smsmith 39365245Smsmith debug_called(1); 39465245Smsmith 39551974Smsmith sc->amr_state &= ~AMR_STATE_OPEN; 39651974Smsmith return (0); 39751974Smsmith} 39851974Smsmith 39951974Smsmith/******************************************************************************** 40051974Smsmith * Handle controller-specific control operations. 40151974Smsmith */ 402104094Sphkstatic int 403130585Sphkamr_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag, d_thread_t *td) 40451974Smsmith{ 40565245Smsmith struct amr_softc *sc = (struct amr_softc *)dev->si_drv1; 406133870Sambrisko union { 407133870Sambrisko void *_p; 408133870Sambrisko struct amr_user_ioctl *au; 409133870Sambrisko#ifdef AMR_IO_COMMAND32 410133870Sambrisko struct amr_user_ioctl32 *au32; 411133870Sambrisko#endif 412133870Sambrisko int *result; 413133870Sambrisko } arg; 41465245Smsmith struct amr_command *ac; 41565245Smsmith struct amr_mailbox_ioctl *mbi; 41665245Smsmith struct amr_passthrough *ap; 417133870Sambrisko void *dp, *au_buffer; 418133870Sambrisko unsigned long au_length; 419133870Sambrisko unsigned char *au_cmd; 420133870Sambrisko int *au_statusp, au_direction; 42165245Smsmith int error; 42265245Smsmith 42365245Smsmith debug_called(1); 42465245Smsmith 425133870Sambrisko arg._p = (void *)addr; 426133870Sambrisko 42751974Smsmith switch(cmd) { 42865245Smsmith 42965245Smsmith case AMR_IO_VERSION: 43065245Smsmith debug(1, "AMR_IO_VERSION"); 431133870Sambrisko *arg.result = AMR_IO_VERSION_NUMBER; 432133870Sambrisko return(0); 433133870Sambrisko 434133870Sambrisko#ifdef AMR_IO_COMMAND32 435133870Sambrisko /* 436133870Sambrisko * Accept ioctl-s from 32-bit binaries on non-32-bit 437133870Sambrisko * platforms, such as AMD. LSI's MEGAMGR utility is 438133870Sambrisko * the only example known today... -mi 439133870Sambrisko */ 440133870Sambrisko case AMR_IO_COMMAND32: 441133870Sambrisko debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]); 442133870Sambrisko au_cmd = arg.au32->au_cmd; 443133870Sambrisko au_buffer = (void *)(u_int64_t)arg.au32->au_buffer; 444133870Sambrisko au_length = arg.au32->au_length; 445133870Sambrisko au_direction = arg.au32->au_direction; 446133870Sambrisko au_statusp = &arg.au32->au_status; 44765245Smsmith break; 448133870Sambrisko#endif 44965245Smsmith 45065245Smsmith case AMR_IO_COMMAND: 451133870Sambrisko debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]); 452133870Sambrisko au_cmd = arg.au->au_cmd; 453133870Sambrisko au_buffer = (void *)arg.au->au_buffer; 454133870Sambrisko au_length = arg.au->au_length; 455133870Sambrisko au_direction = arg.au->au_direction; 456133870Sambrisko au_statusp = &arg.au->au_status; 457133870Sambrisko break; 45865245Smsmith 459133870Sambrisko default: 460133870Sambrisko debug(1, "unknown ioctl 0x%lx", cmd); 461133870Sambrisko return(ENOIOCTL); 462133870Sambrisko } 46365245Smsmith 464133870Sambrisko error = 0; 465133870Sambrisko dp = NULL; 466133870Sambrisko ap = NULL; 467133870Sambrisko ac = NULL; 46865245Smsmith 469133870Sambrisko /* handle inbound data buffer */ 470133870Sambrisko if (au_length != 0) { 471133870Sambrisko if ((dp = malloc(au_length, M_DEVBUF, M_WAITOK)) == NULL) 472133870Sambrisko return(ENOMEM); 47365245Smsmith 474133870Sambrisko if ((error = copyin(au_buffer, dp, au_length)) != 0) 475133870Sambrisko goto out; 476133870Sambrisko debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp); 477133870Sambrisko } 47865245Smsmith 479133870Sambrisko if ((ac = amr_alloccmd(sc)) == NULL) { 480133870Sambrisko error = ENOMEM; 481133870Sambrisko goto out; 482133870Sambrisko } 48365245Smsmith 484133870Sambrisko /* handle SCSI passthrough command */ 485133870Sambrisko if (au_cmd[0] == AMR_CMD_PASS) { 486133870Sambrisko if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_WAITOK | M_ZERO)) == NULL) { 487133870Sambrisko error = ENOMEM; 488133870Sambrisko goto out; 489133870Sambrisko } 49065245Smsmith 491133870Sambrisko /* copy cdb */ 492133870Sambrisko ap->ap_cdb_length = au_cmd[2]; 493133870Sambrisko bcopy(au_cmd + 3, ap->ap_cdb, ap->ap_cdb_length); 49465245Smsmith 495133870Sambrisko /* build passthrough */ 496133870Sambrisko ap->ap_timeout = au_cmd[ap->ap_cdb_length + 3] & 0x07; 497133870Sambrisko ap->ap_ars = (au_cmd[ap->ap_cdb_length + 3] & 0x08) ? 1 : 0; 498133870Sambrisko ap->ap_islogical = (au_cmd[ap->ap_cdb_length + 3] & 0x80) ? 1 : 0; 499133870Sambrisko ap->ap_logical_drive_no = au_cmd[ap->ap_cdb_length + 4]; 500133870Sambrisko ap->ap_channel = au_cmd[ap->ap_cdb_length + 5]; 501133870Sambrisko ap->ap_scsi_id = au_cmd[ap->ap_cdb_length + 6]; 502133870Sambrisko ap->ap_request_sense_length = 14; 503133870Sambrisko ap->ap_data_transfer_length = au_length; 504133870Sambrisko /* XXX what about the request-sense area? does the caller want it? */ 50565245Smsmith 506133870Sambrisko /* build command */ 507133870Sambrisko ac->ac_data = ap; 508133870Sambrisko ac->ac_length = sizeof(*ap); 509133870Sambrisko ac->ac_flags |= AMR_CMD_DATAOUT; 510133870Sambrisko ac->ac_ccb_data = dp; 511133870Sambrisko ac->ac_ccb_length = au_length; 512133870Sambrisko if (au_direction & AMR_IO_READ) 513133870Sambrisko ac->ac_flags |= AMR_CMD_CCB_DATAIN; 514133870Sambrisko if (au_direction & AMR_IO_WRITE) 515133870Sambrisko ac->ac_flags |= AMR_CMD_CCB_DATAOUT; 51665245Smsmith 517133870Sambrisko ac->ac_mailbox.mb_command = AMR_CMD_PASS; 51865245Smsmith 519133870Sambrisko } else { 520133870Sambrisko /* direct command to controller */ 521133870Sambrisko mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox; 522105419Semoore 523133870Sambrisko /* copy pertinent mailbox items */ 524133870Sambrisko mbi->mb_command = au_cmd[0]; 525133870Sambrisko mbi->mb_channel = au_cmd[1]; 526133870Sambrisko mbi->mb_param = au_cmd[2]; 527133870Sambrisko mbi->mb_pad[0] = au_cmd[3]; 528133870Sambrisko mbi->mb_drive = au_cmd[4]; 529133870Sambrisko 530133870Sambrisko /* build the command */ 531133870Sambrisko ac->ac_data = dp; 532133870Sambrisko ac->ac_length = au_length; 533133870Sambrisko if (au_direction & AMR_IO_READ) 534133870Sambrisko ac->ac_flags |= AMR_CMD_DATAIN; 535133870Sambrisko if (au_direction & AMR_IO_WRITE) 536133870Sambrisko ac->ac_flags |= AMR_CMD_DATAOUT; 53751974Smsmith } 53851974Smsmith 539133870Sambrisko /* run the command */ 540133870Sambrisko if ((error = amr_wait_command(ac)) != 0) 541133870Sambrisko goto out; 542133870Sambrisko 543133870Sambrisko /* copy out data and set status */ 544133870Sambrisko if (au_length != 0) 545133870Sambrisko error = copyout(dp, au_buffer, au_length); 546133870Sambrisko debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer); 54765245Smsmith if (dp != NULL) 548133870Sambrisko debug(2, "%16d", (int)dp); 549133870Sambrisko *au_statusp = ac->ac_status; 550133870Sambrisko 551133870Sambriskoout: 552133870Sambrisko if (dp != NULL) 55365245Smsmith free(dp, M_DEVBUF); 55465245Smsmith if (ap != NULL) 55565245Smsmith free(ap, M_DEVBUF); 55665245Smsmith if (ac != NULL) 55765245Smsmith amr_releasecmd(ac); 55865245Smsmith return(error); 55951974Smsmith} 56051974Smsmith 56151974Smsmith/******************************************************************************** 56251974Smsmith ******************************************************************************** 56358883Smsmith Status Monitoring 56458883Smsmith ******************************************************************************** 56558883Smsmith ********************************************************************************/ 56658883Smsmith 56758883Smsmith/******************************************************************************** 56858883Smsmith * Perform a periodic check of the controller status 56958883Smsmith */ 57058883Smsmithstatic void 57158883Smsmithamr_periodic(void *data) 57258883Smsmith{ 57358883Smsmith struct amr_softc *sc = (struct amr_softc *)data; 57458883Smsmith 57565245Smsmith debug_called(2); 57658883Smsmith 57765245Smsmith /* XXX perform periodic status checks here */ 57858883Smsmith 57965245Smsmith /* compensate for missed interrupts */ 58065245Smsmith amr_done(sc); 58165245Smsmith 58258883Smsmith /* reschedule */ 58358883Smsmith sc->amr_timeout = timeout(amr_periodic, sc, hz); 58458883Smsmith} 58558883Smsmith 58658883Smsmith/******************************************************************************** 58758883Smsmith ******************************************************************************** 58851974Smsmith Command Wrappers 58951974Smsmith ******************************************************************************** 59051974Smsmith ********************************************************************************/ 59151974Smsmith 59251974Smsmith/******************************************************************************** 59351974Smsmith * Interrogate the controller for the operational parameters we require. 59451974Smsmith */ 59551974Smsmithstatic int 59651974Smsmithamr_query_controller(struct amr_softc *sc) 59751974Smsmith{ 59865245Smsmith struct amr_enquiry3 *aex; 59965245Smsmith struct amr_prodinfo *ap; 60065245Smsmith struct amr_enquiry *ae; 60165245Smsmith int ldrv; 60251974Smsmith 60365245Smsmith /* 60465245Smsmith * If we haven't found the real limit yet, let us have a couple of commands in 60565245Smsmith * order to be able to probe. 60665245Smsmith */ 60765245Smsmith if (sc->amr_maxio == 0) 60865245Smsmith sc->amr_maxio = 2; 60951974Smsmith 610106225Semoore /* 611106225Semoore * Greater than 10 byte cdb support 612106225Semoore */ 613106225Semoore sc->support_ext_cdb = amr_support_ext_cdb(sc); 614106225Semoore 615106225Semoore if(sc->support_ext_cdb) { 616106225Semoore debug(2,"supports extended CDBs."); 617106225Semoore } 618106225Semoore 61965245Smsmith /* 62065245Smsmith * Try to issue an ENQUIRY3 command 62165245Smsmith */ 62265245Smsmith if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3, 62365245Smsmith AMR_CONFIG_ENQ3_SOLICITED_FULL)) != NULL) { 62451974Smsmith 62565245Smsmith /* 62665245Smsmith * Fetch current state of logical drives. 62765245Smsmith */ 62865245Smsmith for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) { 62965245Smsmith sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv]; 63065245Smsmith sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv]; 63165245Smsmith sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv]; 63265245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 63365245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 63451974Smsmith } 63565245Smsmith free(aex, M_DEVBUF); 63658883Smsmith 63765245Smsmith /* 63865245Smsmith * Get product info for channel count. 63958883Smsmith */ 64065245Smsmith if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) == NULL) { 64165245Smsmith device_printf(sc->amr_dev, "can't obtain product data from controller\n"); 64265245Smsmith return(1); 64365245Smsmith } 64465245Smsmith sc->amr_maxdrives = 40; 64565245Smsmith sc->amr_maxchan = ap->ap_nschan; 64665245Smsmith sc->amr_maxio = ap->ap_maxio; 64765245Smsmith sc->amr_type |= AMR_TYPE_40LD; 64865245Smsmith free(ap, M_DEVBUF); 64958883Smsmith 65065245Smsmith } else { 65165245Smsmith 65265245Smsmith /* failed, try the 8LD ENQUIRY commands */ 65365245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) == NULL) { 65465245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) == NULL) { 65565245Smsmith device_printf(sc->amr_dev, "can't obtain configuration data from controller\n"); 65665245Smsmith return(1); 65765245Smsmith } 65865245Smsmith ae->ae_signature = 0; 65951974Smsmith } 66065245Smsmith 66158883Smsmith /* 66265245Smsmith * Fetch current state of logical drives. 66358883Smsmith */ 66465245Smsmith for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) { 66565245Smsmith sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv]; 66665245Smsmith sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv]; 66765245Smsmith sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv]; 66865245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 66965245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 67051974Smsmith } 67165245Smsmith 67265245Smsmith sc->amr_maxdrives = 8; 67365245Smsmith sc->amr_maxchan = ae->ae_adapter.aa_channels; 67465245Smsmith sc->amr_maxio = ae->ae_adapter.aa_maxio; 67565245Smsmith free(ae, M_DEVBUF); 67651974Smsmith } 67765245Smsmith 67865245Smsmith /* 67965245Smsmith * Mark remaining drives as unused. 68065245Smsmith */ 68165245Smsmith for (; ldrv < AMR_MAXLD; ldrv++) 68265245Smsmith sc->amr_drive[ldrv].al_size = 0xffffffff; 68365245Smsmith 68465245Smsmith /* 68565245Smsmith * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust 68665245Smsmith * the controller's reported value, and lockups have been seen when we do. 68765245Smsmith */ 68865245Smsmith sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD); 68965245Smsmith 69051974Smsmith return(0); 69151974Smsmith} 69251974Smsmith 69351974Smsmith/******************************************************************************** 69451974Smsmith * Run a generic enquiry-style command. 69551974Smsmith */ 69651974Smsmithstatic void * 69751974Smsmithamr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual) 69851974Smsmith{ 69951974Smsmith struct amr_command *ac; 70051974Smsmith void *result; 70151974Smsmith u_int8_t *mbox; 70251974Smsmith int error; 70351974Smsmith 70465245Smsmith debug_called(1); 70551974Smsmith 70651974Smsmith error = 1; 70751974Smsmith result = NULL; 70851974Smsmith 70951974Smsmith /* get ourselves a command buffer */ 71051974Smsmith if ((ac = amr_alloccmd(sc)) == NULL) 71151974Smsmith goto out; 71251974Smsmith /* allocate the response structure */ 713138422Sscottl if ((result = malloc(bufsize, M_DEVBUF, M_ZERO|M_NOWAIT)) == NULL) 71451974Smsmith goto out; 71565245Smsmith /* set command flags */ 716138422Sscottl 717135236Sscottl ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN; 71851974Smsmith 71965245Smsmith /* point the command at our data */ 72051974Smsmith ac->ac_data = result; 72151974Smsmith ac->ac_length = bufsize; 72251974Smsmith 72351974Smsmith /* build the command proper */ 72451974Smsmith mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 72551974Smsmith mbox[0] = cmd; 72651974Smsmith mbox[2] = cmdsub; 72751974Smsmith mbox[3] = cmdqual; 72851974Smsmith 72958883Smsmith /* can't assume that interrupts are going to work here, so play it safe */ 730107756Semoore if (sc->amr_poll_command(ac)) 73151974Smsmith goto out; 73251974Smsmith error = ac->ac_status; 73351974Smsmith 73451974Smsmith out: 73551974Smsmith if (ac != NULL) 73651974Smsmith amr_releasecmd(ac); 73751974Smsmith if ((error != 0) && (result != NULL)) { 73851974Smsmith free(result, M_DEVBUF); 73951974Smsmith result = NULL; 74051974Smsmith } 74151974Smsmith return(result); 74251974Smsmith} 74351974Smsmith 74451974Smsmith/******************************************************************************** 74551974Smsmith * Flush the controller's internal cache, return status. 74651974Smsmith */ 74765245Smsmithint 74851974Smsmithamr_flush(struct amr_softc *sc) 74951974Smsmith{ 75051974Smsmith struct amr_command *ac; 75151974Smsmith int error; 75251974Smsmith 75351974Smsmith /* get ourselves a command buffer */ 75451974Smsmith error = 1; 75551974Smsmith if ((ac = amr_alloccmd(sc)) == NULL) 75651974Smsmith goto out; 75765245Smsmith /* set command flags */ 75851974Smsmith ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 75951974Smsmith 76051974Smsmith /* build the command proper */ 76151974Smsmith ac->ac_mailbox.mb_command = AMR_CMD_FLUSH; 76251974Smsmith 76358883Smsmith /* we have to poll, as the system may be going down or otherwise damaged */ 764107756Semoore if (sc->amr_poll_command(ac)) 76551974Smsmith goto out; 76651974Smsmith error = ac->ac_status; 76751974Smsmith 76851974Smsmith out: 76951974Smsmith if (ac != NULL) 77051974Smsmith amr_releasecmd(ac); 77151974Smsmith return(error); 77251974Smsmith} 77351974Smsmith 77451974Smsmith/******************************************************************************** 775106225Semoore * Detect extented cdb >> greater than 10 byte cdb support 776106225Semoore * returns '1' means this support exist 777106225Semoore * returns '0' means this support doesn't exist 778106225Semoore */ 779106225Semoorestatic int 780106225Semooreamr_support_ext_cdb(struct amr_softc *sc) 781106225Semoore{ 782106225Semoore struct amr_command *ac; 783106225Semoore u_int8_t *mbox; 784106225Semoore int error; 785106225Semoore 786106225Semoore /* get ourselves a command buffer */ 787106225Semoore error = 0; 788106225Semoore if ((ac = amr_alloccmd(sc)) == NULL) 789106225Semoore goto out; 790106225Semoore /* set command flags */ 791106225Semoore ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 792106225Semoore 793106225Semoore /* build the command proper */ 794106225Semoore mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 795106225Semoore mbox[0] = 0xA4; 796106225Semoore mbox[2] = 0x16; 797106225Semoore 798106225Semoore 799106225Semoore /* we have to poll, as the system may be going down or otherwise damaged */ 800107756Semoore if (sc->amr_poll_command(ac)) 801106225Semoore goto out; 802106225Semoore if( ac->ac_status == AMR_STATUS_SUCCESS ) { 803106225Semoore error = 1; 804106225Semoore } 805106225Semoore 806106225Semooreout: 807106225Semoore if (ac != NULL) 808106225Semoore amr_releasecmd(ac); 809106225Semoore return(error); 810106225Semoore} 811106225Semoore 812106225Semoore/******************************************************************************** 81365245Smsmith * Try to find I/O work for the controller from one or more of the work queues. 81451974Smsmith * 81565245Smsmith * We make the assumption that if the controller is not ready to take a command 81665245Smsmith * at some given time, it will generate an interrupt at some later time when 81765245Smsmith * it is. 81851974Smsmith */ 81965245Smsmithvoid 82051974Smsmithamr_startio(struct amr_softc *sc) 82151974Smsmith{ 82251974Smsmith struct amr_command *ac; 82351974Smsmith 82451974Smsmith /* spin until something prevents us from doing any work */ 82551974Smsmith for (;;) { 82651974Smsmith 827138422Sscottl /* Don't bother to queue commands no bounce buffers are available. */ 828138422Sscottl if (sc->amr_state & AMR_STATE_QUEUE_FRZN) 829138422Sscottl break; 830138422Sscottl 83165245Smsmith /* try to get a ready command */ 83265245Smsmith ac = amr_dequeue_ready(sc); 83351974Smsmith 83465245Smsmith /* if that failed, build a command from a bio */ 83565245Smsmith if (ac == NULL) 83665245Smsmith (void)amr_bio_command(sc, &ac); 83751974Smsmith 83865245Smsmith /* if that failed, build a command from a ccb */ 83965245Smsmith if (ac == NULL) 84065245Smsmith (void)amr_cam_command(sc, &ac); 841105419Semoore 84265245Smsmith /* if we don't have anything to do, give up */ 84365245Smsmith if (ac == NULL) 84465245Smsmith break; 84551974Smsmith 84665245Smsmith /* try to give the command to the controller; if this fails save it for later and give up */ 84765245Smsmith if (amr_start(ac)) { 84865245Smsmith debug(2, "controller busy, command deferred"); 84965245Smsmith amr_requeue_ready(ac); /* XXX schedule retry very soon? */ 85065245Smsmith break; 85151974Smsmith } 85251974Smsmith } 85351974Smsmith} 85451974Smsmith 85551974Smsmith/******************************************************************************** 85651974Smsmith * Handle completion of an I/O command. 85751974Smsmith */ 85851974Smsmithstatic void 85951974Smsmithamr_completeio(struct amr_command *ac) 86051974Smsmith{ 86151974Smsmith struct amr_softc *sc = ac->ac_sc; 86251974Smsmith 86351974Smsmith if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */ 86465245Smsmith ac->ac_bio->bio_error = EIO; 86565245Smsmith ac->ac_bio->bio_flags |= BIO_ERROR; 86651974Smsmith 86765245Smsmith device_printf(sc->amr_dev, "I/O error - 0x%x\n", ac->ac_status); 86865245Smsmith/* amr_printcommand(ac);*/ 86951974Smsmith } 87065245Smsmith amrd_intr(ac->ac_bio); 87165245Smsmith amr_releasecmd(ac); 87251974Smsmith} 87351974Smsmith 87451974Smsmith/******************************************************************************** 87551974Smsmith ******************************************************************************** 87651974Smsmith Command Processing 87751974Smsmith ******************************************************************************** 87851974Smsmith ********************************************************************************/ 87951974Smsmith 88051974Smsmith/******************************************************************************** 88165245Smsmith * Convert a bio off the top of the bio queue into a command. 88265245Smsmith */ 88365245Smsmithstatic int 88465245Smsmithamr_bio_command(struct amr_softc *sc, struct amr_command **acp) 88565245Smsmith{ 88665245Smsmith struct amr_command *ac; 88765245Smsmith struct amrd_softc *amrd; 88865245Smsmith struct bio *bio; 88965245Smsmith int error; 89065245Smsmith int blkcount; 89165245Smsmith int driveno; 89265245Smsmith int cmd; 89365245Smsmith 89465245Smsmith ac = NULL; 89565245Smsmith error = 0; 89665245Smsmith 89765245Smsmith /* get a bio to work on */ 89865245Smsmith if ((bio = amr_dequeue_bio(sc)) == NULL) 89965245Smsmith goto out; 90065245Smsmith 90165245Smsmith /* get a command */ 90265245Smsmith if ((ac = amr_alloccmd(sc)) == NULL) { 90365245Smsmith error = ENOMEM; 90465245Smsmith goto out; 90565245Smsmith } 90665245Smsmith 90765245Smsmith /* connect the bio to the command */ 90865245Smsmith ac->ac_complete = amr_completeio; 90965245Smsmith ac->ac_bio = bio; 91065245Smsmith ac->ac_data = bio->bio_data; 91165245Smsmith ac->ac_length = bio->bio_bcount; 91265245Smsmith if (BIO_IS_READ(bio)) { 91365245Smsmith ac->ac_flags |= AMR_CMD_DATAIN; 91465245Smsmith cmd = AMR_CMD_LREAD; 91565245Smsmith } else { 91665245Smsmith ac->ac_flags |= AMR_CMD_DATAOUT; 91765245Smsmith cmd = AMR_CMD_LWRITE; 91865245Smsmith } 919111441Sphk amrd = (struct amrd_softc *)bio->bio_disk->d_drv1; 92065245Smsmith driveno = amrd->amrd_drive - sc->amr_drive; 92165245Smsmith blkcount = (bio->bio_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE; 92265245Smsmith 92365245Smsmith ac->ac_mailbox.mb_command = cmd; 92465245Smsmith ac->ac_mailbox.mb_blkcount = blkcount; 92565245Smsmith ac->ac_mailbox.mb_lba = bio->bio_pblkno; 92665245Smsmith ac->ac_mailbox.mb_drive = driveno; 92765245Smsmith /* we fill in the s/g related data when the command is mapped */ 92865245Smsmith 92965245Smsmith if ((bio->bio_pblkno + blkcount) > sc->amr_drive[driveno].al_size) 93092610Sbde device_printf(sc->amr_dev, "I/O beyond end of unit (%lld,%d > %lu)\n", 93192610Sbde (long long)bio->bio_pblkno, blkcount, 93292610Sbde (u_long)sc->amr_drive[driveno].al_size); 93365245Smsmith 93465245Smsmithout: 93565245Smsmith if (error != 0) { 93665245Smsmith if (ac != NULL) 93765245Smsmith amr_releasecmd(ac); 93865245Smsmith if (bio != NULL) /* this breaks ordering... */ 93965245Smsmith amr_enqueue_bio(sc, bio); 94065245Smsmith } 94165245Smsmith *acp = ac; 94265245Smsmith return(error); 94365245Smsmith} 94465245Smsmith 94565245Smsmith/******************************************************************************** 94651974Smsmith * Take a command, submit it to the controller and sleep until it completes 94751974Smsmith * or fails. Interrupts must be enabled, returns nonzero on error. 94851974Smsmith */ 94951974Smsmithstatic int 95051974Smsmithamr_wait_command(struct amr_command *ac) 95151974Smsmith{ 95251974Smsmith int error, count; 95351974Smsmith 95465245Smsmith debug_called(1); 95551974Smsmith 95651974Smsmith ac->ac_complete = NULL; 95765245Smsmith ac->ac_flags |= AMR_CMD_SLEEP; 95851974Smsmith if ((error = amr_start(ac)) != 0) 95951974Smsmith return(error); 96051974Smsmith 96151974Smsmith count = 0; 96251974Smsmith /* XXX better timeout? */ 96365245Smsmith while ((ac->ac_flags & AMR_CMD_BUSY) && (count < 30)) { 96465245Smsmith tsleep(ac, PRIBIO | PCATCH, "amrwcmd", hz); 96551974Smsmith } 96651974Smsmith return(0); 96751974Smsmith} 96851974Smsmith 96951974Smsmith/******************************************************************************** 97051974Smsmith * Take a command, submit it to the controller and busy-wait for it to return. 97151974Smsmith * Returns nonzero on error. Can be safely called with interrupts enabled. 97251974Smsmith */ 97351974Smsmithstatic int 974107756Semooreamr_std_poll_command(struct amr_command *ac) 97551974Smsmith{ 97651974Smsmith struct amr_softc *sc = ac->ac_sc; 97765245Smsmith int error, count; 97851974Smsmith 97965245Smsmith debug_called(2); 98051974Smsmith 98151974Smsmith ac->ac_complete = NULL; 98251974Smsmith if ((error = amr_start(ac)) != 0) 98351974Smsmith return(error); 98451974Smsmith 98551974Smsmith count = 0; 98651974Smsmith do { 98751974Smsmith /* 98851974Smsmith * Poll for completion, although the interrupt handler may beat us to it. 98951974Smsmith * Note that the timeout here is somewhat arbitrary. 99051974Smsmith */ 99151974Smsmith amr_done(sc); 99265245Smsmith DELAY(1000); 99365245Smsmith } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000)); 99465245Smsmith if (!(ac->ac_flags & AMR_CMD_BUSY)) { 99551974Smsmith error = 0; 99651974Smsmith } else { 99765245Smsmith /* XXX the slot is now marked permanently busy */ 99851974Smsmith error = EIO; 99965245Smsmith device_printf(sc->amr_dev, "polled command timeout\n"); 100051974Smsmith } 100151974Smsmith return(error); 100251974Smsmith} 100351974Smsmith 1004138422Sscottlstatic void 1005138422Sscottlamr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1006138422Sscottl{ 1007138422Sscottl struct amr_command *ac = arg; 1008138422Sscottl struct amr_softc *sc = ac->ac_sc; 1009138422Sscottl 1010138422Sscottl amr_setup_dmamap(arg, segs, nsegs, err); 1011138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD); 1012138422Sscottl sc->amr_poll_command1(sc, ac); 1013138422Sscottl} 1014138422Sscottl 101551974Smsmith/******************************************************************************** 1016107756Semoore * Take a command, submit it to the controller and busy-wait for it to return. 1017107756Semoore * Returns nonzero on error. Can be safely called with interrupts enabled. 1018107756Semoore */ 1019107756Semoorestatic int 1020107756Semooreamr_quartz_poll_command(struct amr_command *ac) 1021107756Semoore{ 1022107756Semoore struct amr_softc *sc = ac->ac_sc; 1023138422Sscottl int s, error; 1024107756Semoore 1025107756Semoore debug_called(2); 1026107756Semoore 1027138422Sscottl s = splbio(); 1028138422Sscottl error = 0; 1029138422Sscottl 1030107756Semoore /* now we have a slot, we can map the command (unmapped in amr_complete) */ 1031138422Sscottl if (ac->ac_data != 0) { 1032138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1033138422Sscottl ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) { 1034138422Sscottl error = 1; 1035138422Sscottl } 1036138422Sscottl } else { 1037138422Sscottl error = amr_quartz_poll_command1(sc, ac); 1038138422Sscottl } 1039107756Semoore 1040138422Sscottl splx(s); 1041138422Sscottl return (error); 1042138422Sscottl} 1043107756Semoore 1044138422Sscottlstatic int 1045138422Sscottlamr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac) 1046138422Sscottl{ 1047138422Sscottl int count, error; 1048138422Sscottl 1049131394Sps if ((sc->amr_state & AMR_STATE_CRASHDUMP) == 0) { 1050120988Sps count=0; 1051120988Sps while (sc->amr_busyslots) { 1052120988Sps tsleep(sc, PRIBIO | PCATCH, "amrpoll", hz); 1053120988Sps if(count++>10) { 1054120988Sps break; 1055120988Sps } 1056109031Semoore } 1057109031Semoore 1058120988Sps if(sc->amr_busyslots) { 1059120988Sps device_printf(sc->amr_dev, "adapter is busy\n"); 1060138422Sscottl if (ac->ac_data != NULL) 1061138422Sscottl bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 1062120988Sps ac->ac_status=0; 1063120988Sps return(1); 1064120988Sps } 1065107756Semoore } 1066107756Semoore 1067107756Semoore bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE); 1068107756Semoore 1069107756Semoore /* clear the poll/ack fields in the mailbox */ 1070107756Semoore sc->amr_mailbox->mb_ident = 0xFE; 1071107756Semoore sc->amr_mailbox->mb_nstatus = 0xFF; 1072107756Semoore sc->amr_mailbox->mb_status = 0xFF; 1073107756Semoore sc->amr_mailbox->mb_poll = 0; 1074107756Semoore sc->amr_mailbox->mb_ack = 0; 1075109031Semoore sc->amr_mailbox->mb_busy = 1; 1076107756Semoore 1077107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 1078107756Semoore 1079107756Semoore while(sc->amr_mailbox->mb_nstatus == 0xFF); 1080107756Semoore while(sc->amr_mailbox->mb_status == 0xFF); 1081107827Semoore ac->ac_status=sc->amr_mailbox->mb_status; 1082107827Semoore error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0; 1083107756Semoore while(sc->amr_mailbox->mb_poll != 0x77); 1084107756Semoore sc->amr_mailbox->mb_poll = 0; 1085107756Semoore sc->amr_mailbox->mb_ack = 0x77; 1086107756Semoore 1087107756Semoore /* acknowledge that we have the commands */ 1088107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK); 1089109031Semoore while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK); 1090107756Semoore 1091107756Semoore /* unmap the command's data buffer */ 1092138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, BUS_DMASYNC_POSTREAD); 1093138422Sscottl bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 1094107756Semoore 1095107827Semoore return(error); 1096107756Semoore} 1097107756Semoore 1098107756Semoore/******************************************************************************** 109965245Smsmith * Get a free command slot for a command if it doesn't already have one. 110065245Smsmith * 110165245Smsmith * May be safely called multiple times for a given command. 110251974Smsmith */ 110351974Smsmithstatic int 110451974Smsmithamr_getslot(struct amr_command *ac) 110551974Smsmith{ 110651974Smsmith struct amr_softc *sc = ac->ac_sc; 110765245Smsmith int s, slot, limit, error; 110851974Smsmith 110965245Smsmith debug_called(3); 111065245Smsmith 111165245Smsmith /* if the command already has a slot, don't try to give it another one */ 111265245Smsmith if (ac->ac_slot != 0) 111365245Smsmith return(0); 111465245Smsmith 111551974Smsmith /* enforce slot usage limit */ 111651974Smsmith limit = (ac->ac_flags & AMR_CMD_PRIORITY) ? sc->amr_maxio : sc->amr_maxio - 4; 111765245Smsmith if (sc->amr_busyslots > limit) 111851974Smsmith return(EBUSY); 111951974Smsmith 112051974Smsmith /* 112165245Smsmith * Allocate a slot. XXX linear scan is slow 112251974Smsmith */ 112365245Smsmith error = EBUSY; 112451974Smsmith s = splbio(); 112551974Smsmith for (slot = 0; slot < sc->amr_maxio; slot++) { 112665245Smsmith if (sc->amr_busycmd[slot] == NULL) { 112765245Smsmith sc->amr_busycmd[slot] = ac; 112865245Smsmith sc->amr_busyslots++; 112965245Smsmith ac->ac_slot = slot; 113065245Smsmith error = 0; 113151974Smsmith break; 113265245Smsmith } 113351974Smsmith } 113451974Smsmith splx(s); 113551974Smsmith 113665245Smsmith return(error); 113751974Smsmith} 113851974Smsmith 113951974Smsmith/******************************************************************************** 114065245Smsmith * Map/unmap (ac)'s data in the controller's addressable space as required. 114165245Smsmith * 114265245Smsmith * These functions may be safely called multiple times on a given command. 114351974Smsmith */ 114451974Smsmithstatic void 114551974Smsmithamr_setup_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error) 114651974Smsmith{ 114751974Smsmith struct amr_command *ac = (struct amr_command *)arg; 114851974Smsmith struct amr_softc *sc = ac->ac_sc; 114951974Smsmith struct amr_sgentry *sg; 115051974Smsmith int i; 115169319Smsmith u_int8_t *sgc; 115251974Smsmith 115365245Smsmith debug_called(3); 115451974Smsmith 115551974Smsmith /* get base address of s/g table */ 115651974Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 115751974Smsmith 115865245Smsmith /* save data physical address */ 115951974Smsmith ac->ac_dataphys = segs[0].ds_addr; 116051974Smsmith 116169319Smsmith /* for AMR_CMD_CONFIG the s/g count goes elsewhere */ 116269319Smsmith if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG) { 116369319Smsmith sgc = &(((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param); 116469319Smsmith } else { 116569319Smsmith sgc = &ac->ac_mailbox.mb_nsgelem; 116669319Smsmith } 116769319Smsmith 116865245Smsmith /* decide whether we need to populate the s/g table */ 116965245Smsmith if (nsegments < 2) { 117069319Smsmith *sgc = 0; 1171105419Semoore ac->ac_mailbox.mb_nsgelem = 0; 117265245Smsmith ac->ac_mailbox.mb_physaddr = ac->ac_dataphys; 117365245Smsmith } else { 1174105419Semoore ac->ac_mailbox.mb_nsgelem = nsegments; 117569319Smsmith *sgc = nsegments; 1176138422Sscottl ac->ac_mailbox.mb_physaddr = sc->amr_sgbusaddr + 1177138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 117865245Smsmith for (i = 0; i < nsegments; i++, sg++) { 117965245Smsmith sg->sg_addr = segs[i].ds_addr; 118065245Smsmith sg->sg_count = segs[i].ds_len; 118165245Smsmith } 118265245Smsmith } 1183138422Sscottl 118465245Smsmith} 118565245Smsmith 118665245Smsmithstatic void 118765245Smsmithamr_setup_ccbmap(void *arg, bus_dma_segment_t *segs, int nsegments, int error) 118865245Smsmith{ 1189105419Semoore struct amr_command *ac = (struct amr_command *)arg; 1190105419Semoore struct amr_softc *sc = ac->ac_sc; 1191105419Semoore struct amr_sgentry *sg; 1192105419Semoore struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data; 1193106252Semoore struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data; 1194105419Semoore int i; 119565245Smsmith 119665245Smsmith /* get base address of s/g table */ 119765245Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 119865245Smsmith 1199105419Semoore /* decide whether we need to populate the s/g table */ 1200106225Semoore if( ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS ) { 1201106225Semoore if (nsegments < 2) { 1202106225Semoore aep->ap_no_sg_elements = 0; 1203106225Semoore aep->ap_data_transfer_address = segs[0].ds_addr; 1204106225Semoore } else { 1205106225Semoore /* save s/g table information in passthrough */ 1206106225Semoore aep->ap_no_sg_elements = nsegments; 1207138422Sscottl aep->ap_data_transfer_address = sc->amr_sgbusaddr + 1208138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 1209138422Sscottl /* 1210138422Sscottl * populate s/g table (overwrites previous call which mapped the 1211138422Sscottl * passthrough) 1212138422Sscottl */ 1213106225Semoore for (i = 0; i < nsegments; i++, sg++) { 1214106225Semoore sg->sg_addr = segs[i].ds_addr; 1215106225Semoore sg->sg_count = segs[i].ds_len; 1216106225Semoore debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count); 1217106225Semoore } 1218106225Semoore } 1219138422Sscottl debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x\n", 1220138422Sscottl ac->ac_slot, aep->ap_no_sg_elements, aep->ap_data_transfer_address, 1221138422Sscottl ac->ac_dataphys); 1222105419Semoore } else { 1223106225Semoore if (nsegments < 2) { 1224106225Semoore ap->ap_no_sg_elements = 0; 1225106225Semoore ap->ap_data_transfer_address = segs[0].ds_addr; 1226106225Semoore } else { 1227106225Semoore /* save s/g table information in passthrough */ 1228106225Semoore ap->ap_no_sg_elements = nsegments; 1229138422Sscottl ap->ap_data_transfer_address = sc->amr_sgbusaddr + 1230138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 1231138422Sscottl /* 1232138422Sscottl * populate s/g table (overwrites previous call which mapped the 1233138422Sscottl * passthrough) 1234138422Sscottl */ 1235106225Semoore for (i = 0; i < nsegments; i++, sg++) { 1236105419Semoore sg->sg_addr = segs[i].ds_addr; 1237105419Semoore sg->sg_count = segs[i].ds_len; 1238105419Semoore debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count); 1239106225Semoore } 1240105419Semoore } 1241138422Sscottl debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x", 1242138422Sscottl ac->ac_slot, ap->ap_no_sg_elements, ap->ap_data_transfer_address, 1243138422Sscottl ac->ac_dataphys); 1244105419Semoore } 1245138422Sscottl if (ac->ac_flags & AMR_CMD_CCB_DATAIN) 1246138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1247138422Sscottl BUS_DMASYNC_PREREAD); 1248138422Sscottl if (ac->ac_flags & AMR_CMD_CCB_DATAOUT) 1249138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1250138422Sscottl BUS_DMASYNC_PREWRITE); 1251138422Sscottl if ((ac->ac_flags & (AMR_CMD_CCB_DATAIN | AMR_CMD_CCB_DATAOUT)) == 0) 1252138422Sscottl panic("no direction for ccb?\n"); 1253138422Sscottl 1254138422Sscottl if (ac->ac_flags & AMR_CMD_DATAIN) 1255138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD); 1256138422Sscottl if (ac->ac_flags & AMR_CMD_DATAOUT) 1257138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREWRITE); 1258138422Sscottl 1259138422Sscottl ac->ac_flags |= AMR_CMD_MAPPED; 1260138422Sscottl 1261138422Sscottl amr_start1(sc, ac); 126251974Smsmith} 126351974Smsmith 1264138422Sscottlstatic int 126551974Smsmithamr_mapcmd(struct amr_command *ac) 126651974Smsmith{ 126751974Smsmith struct amr_softc *sc = ac->ac_sc; 126851974Smsmith 126969319Smsmith debug_called(3); 127051974Smsmith 127165245Smsmith /* if the command involves data at all, and hasn't been mapped */ 1272138422Sscottl if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) { 1273138422Sscottl if (ac->ac_ccb_data == NULL) { 127465245Smsmith /* map the data buffers into bus space and build the s/g list */ 1275138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1276138422Sscottl ac->ac_length, amr_setup_data_dmamap, ac, 0) == EINPROGRESS) { 1277138422Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 1278138422Sscottl } 1279138422Sscottl } else { 128065245Smsmith 1281138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1282138422Sscottl ac->ac_length, amr_setup_dmamap, ac, BUS_DMA_NOWAIT) != 0){ 1283138422Sscottl return (ENOMEM); 1284138422Sscottl } 1285138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1286138422Sscottl ac->ac_ccb_data, ac->ac_ccb_length, amr_setup_ccbmap, ac, 1287138422Sscottl 0) == EINPROGRESS) { 1288138422Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 1289138422Sscottl } 129065245Smsmith } 129151974Smsmith } 1292138422Sscottl return (0); 129351974Smsmith} 129451974Smsmith 129551974Smsmithstatic void 129651974Smsmithamr_unmapcmd(struct amr_command *ac) 129751974Smsmith{ 129851974Smsmith struct amr_softc *sc = ac->ac_sc; 129951974Smsmith 130069319Smsmith debug_called(3); 130151974Smsmith 130265245Smsmith /* if the command involved data at all and was mapped */ 130365245Smsmith if (ac->ac_flags & AMR_CMD_MAPPED) { 130451974Smsmith 130565245Smsmith if (ac->ac_data != NULL) { 130665245Smsmith if (ac->ac_flags & AMR_CMD_DATAIN) 1307138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, 1308138422Sscottl BUS_DMASYNC_POSTREAD); 130965245Smsmith if (ac->ac_flags & AMR_CMD_DATAOUT) 1310138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, 1311138422Sscottl BUS_DMASYNC_POSTWRITE); 131265245Smsmith bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 131365245Smsmith } 131465245Smsmith 131565245Smsmith if (ac->ac_ccb_data != NULL) { 131665245Smsmith if (ac->ac_flags & AMR_CMD_CCB_DATAIN) 1317138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1318138422Sscottl BUS_DMASYNC_POSTREAD); 131965245Smsmith if (ac->ac_flags & AMR_CMD_CCB_DATAOUT) 1320138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1321138422Sscottl BUS_DMASYNC_POSTWRITE); 132265245Smsmith bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_ccb_dmamap); 1323138422Sscottl debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x\n", 1324138422Sscottl ac->ac_slot, aep->ap_no_sg_elements, aep->ap_data_transfer_address, 1325138422Sscottl ac->ac_dataphys); 132665245Smsmith } 132765245Smsmith ac->ac_flags &= ~AMR_CMD_MAPPED; 132851974Smsmith } 132951974Smsmith} 133051974Smsmith 1331138422Sscottlstatic void 1332138422Sscottlamr_setup_data_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1333138422Sscottl{ 1334138422Sscottl struct amr_command *ac = arg; 1335138422Sscottl struct amr_softc *sc = ac->ac_sc; 1336138422Sscottl 1337138422Sscottl amr_setup_dmamap(arg, segs, nsegs, err); 1338138422Sscottl 1339138422Sscottl if (ac->ac_flags & AMR_CMD_DATAIN) 1340138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD); 1341138422Sscottl if (ac->ac_flags & AMR_CMD_DATAOUT) 1342138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREWRITE); 1343138422Sscottl ac->ac_flags |= AMR_CMD_MAPPED; 1344138422Sscottl 1345138422Sscottl amr_start1(sc, ac); 1346138422Sscottl} 1347138422Sscottl 134851974Smsmith/******************************************************************************** 134965245Smsmith * Take a command and give it to the controller, returns 0 if successful, or 135065245Smsmith * EBUSY if the command should be retried later. 135151974Smsmith */ 135251974Smsmithstatic int 135351974Smsmithamr_start(struct amr_command *ac) 135451974Smsmith{ 1355138422Sscottl struct amr_softc *sc; 1356138422Sscottl int error = 0; 1357105419Semoore 135869319Smsmith debug_called(3); 135951974Smsmith 136065245Smsmith /* mark command as busy so that polling consumer can tell */ 1361138422Sscottl sc = ac->ac_sc; 136265245Smsmith ac->ac_flags |= AMR_CMD_BUSY; 136365245Smsmith 136465245Smsmith /* get a command slot (freed in amr_done) */ 136565245Smsmith if (amr_getslot(ac)) 136665245Smsmith return(EBUSY); 136765245Smsmith 1368138422Sscottl /* Now we have a slot, we can map the command (unmapped in amr_complete). */ 1369138422Sscottl if ((error = amr_mapcmd(ac)) == ENOMEM) { 1370138422Sscottl /* 1371138422Sscottl * Memroy resources are short, so free the slot and let this be tried 1372138422Sscottl * later. 1373138422Sscottl */ 1374138422Sscottl sc->amr_busycmd[ac->ac_slot] = NULL; 1375138422Sscottl sc->amr_busyslots--; 1376138422Sscottl } 137765245Smsmith 1378138422Sscottl return (error); 1379138422Sscottl} 1380138422Sscottl 1381138422Sscottl 1382138422Sscottlstatic int 1383138422Sscottlamr_start1(struct amr_softc *sc, struct amr_command *ac) 1384138422Sscottl{ 1385138422Sscottl int done, s, i; 1386138422Sscottl 138765245Smsmith /* mark the new mailbox we are going to copy in as busy */ 138865245Smsmith ac->ac_mailbox.mb_busy = 1; 138965245Smsmith 139065245Smsmith /* clear the poll/ack fields in the mailbox */ 139165245Smsmith sc->amr_mailbox->mb_poll = 0; 139265245Smsmith sc->amr_mailbox->mb_ack = 0; 139365245Smsmith 139451974Smsmith /* 139551974Smsmith * Save the slot number so that we can locate this command when complete. 139651974Smsmith * Note that ident = 0 seems to be special, so we don't use it. 139751974Smsmith */ 139851974Smsmith ac->ac_mailbox.mb_ident = ac->ac_slot + 1; 139951974Smsmith 140058883Smsmith /* 140165245Smsmith * Spin waiting for the mailbox, give up after ~1 second. We expect the 140265245Smsmith * controller to be able to handle our I/O. 140365245Smsmith * 140465245Smsmith * XXX perhaps we should wait for less time, and count on the deferred command 140565245Smsmith * handling to deal with retries? 140658883Smsmith */ 140769319Smsmith debug(4, "wait for mailbox"); 140858883Smsmith for (i = 10000, done = 0; (i > 0) && !done; i--) { 140951974Smsmith s = splbio(); 141051974Smsmith 141151974Smsmith /* is the mailbox free? */ 141251974Smsmith if (sc->amr_mailbox->mb_busy == 0) { 141369319Smsmith debug(4, "got mailbox"); 141451974Smsmith sc->amr_mailbox64->mb64_segment = 0; 141565245Smsmith bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE); 141651974Smsmith done = 1; 141751974Smsmith 141865245Smsmith /* not free, spin waiting */ 141951974Smsmith } else { 142069319Smsmith debug(4, "busy flag %x\n", sc->amr_mailbox->mb_busy); 142158883Smsmith /* this is somewhat ugly */ 142258883Smsmith DELAY(100); 142351974Smsmith } 142458883Smsmith splx(s); /* drop spl to allow completion interrupts */ 142551974Smsmith } 142665245Smsmith 142765245Smsmith /* 142865245Smsmith * Now give the command to the controller 142965245Smsmith */ 143051974Smsmith if (done) { 143165245Smsmith if (sc->amr_submit_command(sc)) { 143265245Smsmith /* the controller wasn't ready to take the command, forget that we tried to post it */ 143365245Smsmith sc->amr_mailbox->mb_busy = 0; 143465245Smsmith return(EBUSY); 143565245Smsmith } 143669319Smsmith debug(3, "posted command"); 143751974Smsmith return(0); 143851974Smsmith } 143951974Smsmith 144051974Smsmith /* 144165245Smsmith * The controller wouldn't take the command. Return the command as busy 144265245Smsmith * so that it is retried later. 144351974Smsmith */ 144465245Smsmith return(EBUSY); 144551974Smsmith} 144651974Smsmith 144751974Smsmith/******************************************************************************** 144851974Smsmith * Extract one or more completed commands from the controller (sc) 144951974Smsmith * 145052543Smsmith * Returns nonzero if any commands on the work queue were marked as completed. 145151974Smsmith */ 145265245Smsmithint 145351974Smsmithamr_done(struct amr_softc *sc) 145451974Smsmith{ 145551974Smsmith struct amr_command *ac; 145651974Smsmith struct amr_mailbox mbox; 145765245Smsmith int i, idx, result; 145851974Smsmith 145969319Smsmith debug_called(3); 146051974Smsmith 146151974Smsmith /* See if there's anything for us to do */ 146251974Smsmith result = 0; 146351974Smsmith 146458883Smsmith /* loop collecting completed commands */ 146558883Smsmith for (;;) { 146658883Smsmith /* poll for a completed command's identifier and status */ 146758883Smsmith if (sc->amr_get_work(sc, &mbox)) { 146858883Smsmith result = 1; 146958883Smsmith 147058883Smsmith /* iterate over completed commands in this result */ 147158883Smsmith for (i = 0; i < mbox.mb_nstatus; i++) { 147258883Smsmith /* get pointer to busy command */ 147358883Smsmith idx = mbox.mb_completed[i] - 1; 147458883Smsmith ac = sc->amr_busycmd[idx]; 147551974Smsmith 147658883Smsmith /* really a busy command? */ 147758883Smsmith if (ac != NULL) { 147858883Smsmith 147958883Smsmith /* pull the command from the busy index */ 148058883Smsmith sc->amr_busycmd[idx] = NULL; 148165245Smsmith sc->amr_busyslots--; 148251974Smsmith 148365245Smsmith /* save status for later use */ 148465245Smsmith ac->ac_status = mbox.mb_status; 148565245Smsmith amr_enqueue_completed(ac); 148665245Smsmith debug(3, "completed command with status %x", mbox.mb_status); 148765245Smsmith } else { 148865245Smsmith device_printf(sc->amr_dev, "bad slot %d completed\n", idx); 148951974Smsmith } 149051974Smsmith } 149158883Smsmith } else { 149265245Smsmith break; /* no work */ 149351974Smsmith } 149451974Smsmith } 1495138422Sscottl 149658883Smsmith /* if we've completed any commands, try posting some more */ 1497138422Sscottl sc->amr_state &= ~AMR_STATE_QUEUE_FRZN; 149858883Smsmith if (result) 149958883Smsmith amr_startio(sc); 150058883Smsmith 150158883Smsmith /* handle completion and timeouts */ 150265245Smsmith#if __FreeBSD_version >= 500005 150365245Smsmith if (sc->amr_state & AMR_STATE_INTEN) 1504111528Sscottl taskqueue_enqueue(taskqueue_swi_giant, &sc->amr_task_complete); 150565245Smsmith else 150665245Smsmith#endif 150765245Smsmith amr_complete(sc, 0); 1508138422Sscottl 150951974Smsmith return(result); 151051974Smsmith} 151151974Smsmith 151251974Smsmith/******************************************************************************** 151351974Smsmith * Do completion processing on done commands on (sc) 151451974Smsmith */ 151551974Smsmithstatic void 151665245Smsmithamr_complete(void *context, int pending) 151751974Smsmith{ 151865245Smsmith struct amr_softc *sc = (struct amr_softc *)context; 151965245Smsmith struct amr_command *ac; 152051974Smsmith 152169319Smsmith debug_called(3); 152251974Smsmith 152365245Smsmith /* pull completed commands off the queue */ 152465245Smsmith for (;;) { 152565245Smsmith ac = amr_dequeue_completed(sc); 152665245Smsmith if (ac == NULL) 152765245Smsmith break; 152858883Smsmith 152965245Smsmith /* unmap the command's data buffer */ 153065245Smsmith amr_unmapcmd(ac); 153151974Smsmith 153265245Smsmith /* unbusy the command */ 153365245Smsmith ac->ac_flags &= ~AMR_CMD_BUSY; 153451974Smsmith 153565245Smsmith /* 153665245Smsmith * Is there a completion handler? 153765245Smsmith */ 153865245Smsmith if (ac->ac_complete != NULL) { 153965245Smsmith ac->ac_complete(ac); 154065245Smsmith 154151974Smsmith /* 154265245Smsmith * Is someone sleeping on this one? 154351974Smsmith */ 154465245Smsmith } else if (ac->ac_flags & AMR_CMD_SLEEP) { 154565245Smsmith wakeup(ac); 154651974Smsmith } 1547109031Semoore 1548109031Semoore if(!sc->amr_busyslots) { 1549109031Semoore wakeup(sc); 1550109031Semoore } 155151974Smsmith } 1552138422Sscottl amr_startio(sc); 155351974Smsmith} 155451974Smsmith 155551974Smsmith/******************************************************************************** 155651974Smsmith ******************************************************************************** 155751974Smsmith Command Buffer Management 155851974Smsmith ******************************************************************************** 155951974Smsmith ********************************************************************************/ 156051974Smsmith 156151974Smsmith/******************************************************************************** 156251974Smsmith * Get a new command buffer. 156351974Smsmith * 156451974Smsmith * This may return NULL in low-memory cases. 156551974Smsmith * 156651974Smsmith * If possible, we recycle a command buffer that's been used before. 156751974Smsmith */ 156865245Smsmithstruct amr_command * 156951974Smsmithamr_alloccmd(struct amr_softc *sc) 157051974Smsmith{ 157151974Smsmith struct amr_command *ac; 157251974Smsmith 157365245Smsmith debug_called(3); 157451974Smsmith 157565245Smsmith ac = amr_dequeue_free(sc); 157651974Smsmith if (ac == NULL) { 157765245Smsmith amr_alloccmd_cluster(sc); 157865245Smsmith ac = amr_dequeue_free(sc); 157951974Smsmith } 158065245Smsmith if (ac == NULL) 158165245Smsmith return(NULL); 158265245Smsmith 158365245Smsmith /* clear out significant fields */ 158465245Smsmith ac->ac_slot = 0; 158565245Smsmith ac->ac_status = 0; 158651974Smsmith bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox)); 158765245Smsmith ac->ac_flags = 0; 158865245Smsmith ac->ac_bio = NULL; 158965245Smsmith ac->ac_data = NULL; 159065245Smsmith ac->ac_ccb_data = NULL; 159165245Smsmith ac->ac_complete = NULL; 159251974Smsmith return(ac); 159351974Smsmith} 159451974Smsmith 159551974Smsmith/******************************************************************************** 159651974Smsmith * Release a command buffer for recycling. 159751974Smsmith */ 159865245Smsmithvoid 159951974Smsmithamr_releasecmd(struct amr_command *ac) 160051974Smsmith{ 160165245Smsmith debug_called(3); 160251974Smsmith 160365245Smsmith amr_enqueue_free(ac); 160451974Smsmith} 160551974Smsmith 160651974Smsmith/******************************************************************************** 160765245Smsmith * Allocate a new command cluster and initialise it. 160851974Smsmith */ 1609104094Sphkstatic void 161065245Smsmithamr_alloccmd_cluster(struct amr_softc *sc) 161151974Smsmith{ 161265245Smsmith struct amr_command_cluster *acc; 161365245Smsmith struct amr_command *ac; 161465245Smsmith int s, i; 161551974Smsmith 161665245Smsmith acc = malloc(AMR_CMD_CLUSTERSIZE, M_DEVBUF, M_NOWAIT); 161765245Smsmith if (acc != NULL) { 161865245Smsmith s = splbio(); 161965245Smsmith TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link); 162065245Smsmith splx(s); 162165245Smsmith for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) { 162265245Smsmith ac = &acc->acc_command[i]; 162365245Smsmith bzero(ac, sizeof(*ac)); 162465245Smsmith ac->ac_sc = sc; 162565245Smsmith if (!bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap) && 162665245Smsmith !bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_ccb_dmamap)) 162765245Smsmith amr_releasecmd(ac); 162865245Smsmith } 162965245Smsmith } 163051974Smsmith} 163151974Smsmith 163251974Smsmith/******************************************************************************** 163365245Smsmith * Free a command cluster 163465245Smsmith */ 1635104094Sphkstatic void 163665245Smsmithamr_freecmd_cluster(struct amr_command_cluster *acc) 163765245Smsmith{ 163865245Smsmith struct amr_softc *sc = acc->acc_command[0].ac_sc; 163965245Smsmith int i; 164065245Smsmith 164165245Smsmith for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) 164265245Smsmith bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap); 164365245Smsmith free(acc, M_DEVBUF); 164465245Smsmith} 164565245Smsmith 164665245Smsmith/******************************************************************************** 164751974Smsmith ******************************************************************************** 164851974Smsmith Interface-specific Shims 164951974Smsmith ******************************************************************************** 165051974Smsmith ********************************************************************************/ 165151974Smsmith 165251974Smsmith/******************************************************************************** 165351974Smsmith * Tell the controller that the mailbox contains a valid command 165451974Smsmith */ 165565245Smsmithstatic int 165651974Smsmithamr_quartz_submit_command(struct amr_softc *sc) 165751974Smsmith{ 165865245Smsmith debug_called(3); 165951974Smsmith 166065245Smsmith if (AMR_QGET_IDB(sc) & AMR_QIDB_SUBMIT) 166165245Smsmith return(EBUSY); 166251974Smsmith AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 166365245Smsmith return(0); 166451974Smsmith} 166551974Smsmith 166665245Smsmithstatic int 166751974Smsmithamr_std_submit_command(struct amr_softc *sc) 166851974Smsmith{ 166965245Smsmith debug_called(3); 167051974Smsmith 167165245Smsmith if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) 167265245Smsmith return(EBUSY); 167351974Smsmith AMR_SPOST_COMMAND(sc); 167465245Smsmith return(0); 167551974Smsmith} 167651974Smsmith 167751974Smsmith/******************************************************************************** 167851974Smsmith * Claim any work that the controller has completed; acknowledge completion, 167951974Smsmith * save details of the completion in (mbsave) 168051974Smsmith */ 168151974Smsmithstatic int 168251974Smsmithamr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 168351974Smsmith{ 168451974Smsmith int s, worked; 168551974Smsmith u_int32_t outd; 168651974Smsmith 168765245Smsmith debug_called(3); 168865245Smsmith 168951974Smsmith worked = 0; 169051974Smsmith s = splbio(); 169151974Smsmith 169251974Smsmith /* work waiting for us? */ 169351974Smsmith if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) { 169451974Smsmith 169551974Smsmith /* save mailbox, which contains a list of completed commands */ 169665245Smsmith bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave)); 169751974Smsmith 169865245Smsmith /* acknowledge interrupt */ 169965245Smsmith AMR_QPUT_ODB(sc, AMR_QODB_READY); 170065245Smsmith 170151974Smsmith /* acknowledge that we have the commands */ 170251974Smsmith AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK); 170365245Smsmith 170465763Smsmith#ifndef AMR_QUARTZ_GOFASTER 170565245Smsmith /* 170665245Smsmith * This waits for the controller to notice that we've taken the 170765245Smsmith * command from it. It's very inefficient, and we shouldn't do it, 170865245Smsmith * but if we remove this code, we stop completing commands under 170965245Smsmith * load. 171065245Smsmith * 171165245Smsmith * Peter J says we shouldn't do this. The documentation says we 171265245Smsmith * should. Who is right? 171365245Smsmith */ 171451974Smsmith while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK) 171551974Smsmith ; /* XXX aiee! what if it dies? */ 171665245Smsmith#endif 171765245Smsmith 171851974Smsmith worked = 1; /* got some work */ 171951974Smsmith } 172051974Smsmith 172151974Smsmith splx(s); 172251974Smsmith return(worked); 172351974Smsmith} 172451974Smsmith 172551974Smsmithstatic int 172651974Smsmithamr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 172751974Smsmith{ 172851974Smsmith int s, worked; 172951974Smsmith u_int8_t istat; 173051974Smsmith 173165245Smsmith debug_called(3); 173251974Smsmith 173351974Smsmith worked = 0; 173451974Smsmith s = splbio(); 173551974Smsmith 173651974Smsmith /* check for valid interrupt status */ 173751974Smsmith istat = AMR_SGET_ISTAT(sc); 173851974Smsmith if ((istat & AMR_SINTR_VALID) != 0) { 173951974Smsmith AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */ 174051974Smsmith 174151974Smsmith /* save mailbox, which contains a list of completed commands */ 174265245Smsmith bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave)); 174351974Smsmith 174451974Smsmith AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */ 174551974Smsmith worked = 1; 174651974Smsmith } 174751974Smsmith 174851974Smsmith splx(s); 174951974Smsmith return(worked); 175051974Smsmith} 175151974Smsmith 175251974Smsmith/******************************************************************************** 175351974Smsmith * Notify the controller of the mailbox location. 175451974Smsmith */ 175551974Smsmithstatic void 175651974Smsmithamr_std_attach_mailbox(struct amr_softc *sc) 175751974Smsmith{ 175851974Smsmith 175951974Smsmith /* program the mailbox physical address */ 176051974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff); 176151974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff); 176251974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff); 176351974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff); 176451974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR); 176551974Smsmith 176651974Smsmith /* clear any outstanding interrupt and enable interrupts proper */ 176751974Smsmith AMR_SACK_INTERRUPT(sc); 176851974Smsmith AMR_SENABLE_INTR(sc); 176951974Smsmith} 177051974Smsmith 177165245Smsmith#ifdef AMR_BOARD_INIT 177251974Smsmith/******************************************************************************** 177365245Smsmith * Initialise the controller 177465245Smsmith */ 177565245Smsmithstatic int 177665245Smsmithamr_quartz_init(struct amr_softc *sc) 177765245Smsmith{ 177865245Smsmith int status, ostatus; 177965245Smsmith 178065245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc)); 178165245Smsmith 178265245Smsmith AMR_QRESET(sc); 178365245Smsmith 178465245Smsmith ostatus = 0xff; 178565245Smsmith while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) { 178665245Smsmith if (status != ostatus) { 178765245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status)); 178865245Smsmith ostatus = status; 178965245Smsmith } 179065245Smsmith switch (status) { 179165245Smsmith case AMR_QINIT_NOMEM: 179265245Smsmith return(ENOMEM); 179365245Smsmith 179465245Smsmith case AMR_QINIT_SCAN: 179565245Smsmith /* XXX we could print channel/target here */ 179665245Smsmith break; 179765245Smsmith } 179865245Smsmith } 179965245Smsmith return(0); 180065245Smsmith} 180165245Smsmith 180265245Smsmithstatic int 180365245Smsmithamr_std_init(struct amr_softc *sc) 180465245Smsmith{ 180565245Smsmith int status, ostatus; 180665245Smsmith 180765245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc)); 180865245Smsmith 180965245Smsmith AMR_SRESET(sc); 181065245Smsmith 181165245Smsmith ostatus = 0xff; 181265245Smsmith while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) { 181365245Smsmith if (status != ostatus) { 181465245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status)); 181565245Smsmith ostatus = status; 181665245Smsmith } 181765245Smsmith switch (status) { 181865245Smsmith case AMR_SINIT_NOMEM: 181965245Smsmith return(ENOMEM); 182065245Smsmith 182165245Smsmith case AMR_SINIT_INPROG: 182265245Smsmith /* XXX we could print channel/target here? */ 182365245Smsmith break; 182465245Smsmith } 182565245Smsmith } 182665245Smsmith return(0); 182765245Smsmith} 182865245Smsmith#endif 182965245Smsmith 183065245Smsmith/******************************************************************************** 183151974Smsmith ******************************************************************************** 183251974Smsmith Debugging 183351974Smsmith ******************************************************************************** 183451974Smsmith ********************************************************************************/ 183551974Smsmith 183651974Smsmith/******************************************************************************** 183765245Smsmith * Identify the controller and print some information about it. 183865245Smsmith */ 183965245Smsmithstatic void 184065245Smsmithamr_describe_controller(struct amr_softc *sc) 184165245Smsmith{ 184265245Smsmith struct amr_prodinfo *ap; 184365245Smsmith struct amr_enquiry *ae; 184465245Smsmith char *prod; 184565245Smsmith 184665245Smsmith /* 184765245Smsmith * Try to get 40LD product info, which tells us what the card is labelled as. 184865245Smsmith */ 184965245Smsmith if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) != NULL) { 1850105419Semoore device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n", 185165245Smsmith ap->ap_product, ap->ap_firmware, ap->ap_bios, 185265245Smsmith ap->ap_memsize); 185365245Smsmith 185465245Smsmith free(ap, M_DEVBUF); 185565245Smsmith return; 185665245Smsmith } 185765245Smsmith 185865245Smsmith /* 185965245Smsmith * Try 8LD extended ENQUIRY to get controller signature, and use lookup table. 186065245Smsmith */ 186165245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) != NULL) { 186265245Smsmith prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature); 186365245Smsmith 186465245Smsmith } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) != NULL) { 186565245Smsmith 186665245Smsmith /* 186765245Smsmith * Try to work it out based on the PCI signatures. 186865245Smsmith */ 186965245Smsmith switch (pci_get_device(sc->amr_dev)) { 187065245Smsmith case 0x9010: 187165245Smsmith prod = "Series 428"; 187265245Smsmith break; 187365245Smsmith case 0x9060: 187465245Smsmith prod = "Series 434"; 187565245Smsmith break; 187665245Smsmith default: 187765245Smsmith prod = "unknown controller"; 187865245Smsmith break; 187965245Smsmith } 188065245Smsmith } else { 188165245Smsmith prod = "unsupported controller"; 188265245Smsmith } 188374936Shm 188474936Shm /* 188574936Shm * HP NetRaid controllers have a special encoding of the firmware and 188674936Shm * BIOS versions. The AMI version seems to have it as strings whereas 188774936Shm * the HP version does it with a leading uppercase character and two 188874936Shm * binary numbers. 188974936Shm */ 189074936Shm 189174936Shm if(ae->ae_adapter.aa_firmware[2] >= 'A' && 189274936Shm ae->ae_adapter.aa_firmware[2] <= 'Z' && 189374936Shm ae->ae_adapter.aa_firmware[1] < ' ' && 189474936Shm ae->ae_adapter.aa_firmware[0] < ' ' && 189574936Shm ae->ae_adapter.aa_bios[2] >= 'A' && 189674936Shm ae->ae_adapter.aa_bios[2] <= 'Z' && 189774936Shm ae->ae_adapter.aa_bios[1] < ' ' && 189874936Shm ae->ae_adapter.aa_bios[0] < ' ') { 189974936Shm 190074936Shm /* this looks like we have an HP NetRaid version of the MegaRaid */ 190174936Shm 190274936Shm if(ae->ae_signature == AMR_SIG_438) { 1903108470Sschweikh /* the AMI 438 is a NetRaid 3si in HP-land */ 190474936Shm prod = "HP NetRaid 3si"; 190574936Shm } 190674936Shm 190774936Shm device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n", 190874936Shm prod, ae->ae_adapter.aa_firmware[2], 190974936Shm ae->ae_adapter.aa_firmware[1], 191074936Shm ae->ae_adapter.aa_firmware[0], 191174936Shm ae->ae_adapter.aa_bios[2], 191274936Shm ae->ae_adapter.aa_bios[1], 191374936Shm ae->ae_adapter.aa_bios[0], 191474936Shm ae->ae_adapter.aa_memorysize); 191574936Shm } else { 191674936Shm device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n", 191774936Shm prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios, 191874936Shm ae->ae_adapter.aa_memorysize); 191974936Shm } 192065245Smsmith free(ae, M_DEVBUF); 192165245Smsmith} 192265245Smsmith 1923120988Spsint 1924120988Spsamr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks) 1925120988Sps{ 1926120988Sps struct amr_command *ac; 1927120988Sps int error = EIO; 1928120988Sps 1929120988Sps debug_called(1); 1930120988Sps 1931131394Sps sc->amr_state |= AMR_STATE_CRASHDUMP; 1932120988Sps 1933120988Sps /* get ourselves a command buffer */ 1934120988Sps if ((ac = amr_alloccmd(sc)) == NULL) 1935120988Sps goto out; 1936120988Sps /* set command flags */ 1937120988Sps ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 1938120988Sps 1939120988Sps /* point the command at our data */ 1940120988Sps ac->ac_data = data; 1941120988Sps ac->ac_length = blks * AMR_BLKSIZE; 1942120988Sps 1943120988Sps /* build the command proper */ 1944120988Sps ac->ac_mailbox.mb_command = AMR_CMD_LWRITE; 1945120988Sps ac->ac_mailbox.mb_blkcount = blks; 1946120988Sps ac->ac_mailbox.mb_lba = lba; 1947120988Sps ac->ac_mailbox.mb_drive = unit; 1948120988Sps 1949120988Sps /* can't assume that interrupts are going to work here, so play it safe */ 1950120988Sps if (sc->amr_poll_command(ac)) 1951120988Sps goto out; 1952120988Sps error = ac->ac_status; 1953120988Sps 1954120988Sps out: 1955120988Sps if (ac != NULL) 1956120988Sps amr_releasecmd(ac); 1957120988Sps 1958131394Sps sc->amr_state &= ~AMR_STATE_CRASHDUMP; 1959120988Sps return (error); 1960120988Sps} 1961120988Sps 1962120988Sps 1963120988Sps 196465245Smsmith#ifdef AMR_DEBUG 196565245Smsmith/******************************************************************************** 196651974Smsmith * Print the command (ac) in human-readable format 196751974Smsmith */ 1968107756Semoore#if 0 196951974Smsmithstatic void 197051974Smsmithamr_printcommand(struct amr_command *ac) 197151974Smsmith{ 197251974Smsmith struct amr_softc *sc = ac->ac_sc; 197351974Smsmith struct amr_sgentry *sg; 197451974Smsmith int i; 197551974Smsmith 197651974Smsmith device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n", 197751974Smsmith ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive); 197851974Smsmith device_printf(sc->amr_dev, "blkcount %d lba %d\n", 197951974Smsmith ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba); 198054512Speter device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length); 198158883Smsmith device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n", 198251974Smsmith ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem); 198365245Smsmith device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio); 198451974Smsmith 198551974Smsmith /* get base address of s/g table */ 198651974Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 198751974Smsmith for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++) 198851974Smsmith device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count); 198951974Smsmith} 199065245Smsmith#endif 1991107756Semoore#endif 1992