amr.c revision 152119
151974Smsmith/*- 265245Smsmith * Copyright (c) 1999,2000 Michael Smith 365245Smsmith * Copyright (c) 2000 BSDi 4140687Sscottl * Copyright (c) 2005 Scott Long 551974Smsmith * All rights reserved. 651974Smsmith * 751974Smsmith * Redistribution and use in source and binary forms, with or without 851974Smsmith * modification, are permitted provided that the following conditions 951974Smsmith * are met: 1051974Smsmith * 1. Redistributions of source code must retain the above copyright 1151974Smsmith * notice, this list of conditions and the following disclaimer. 1251974Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1351974Smsmith * notice, this list of conditions and the following disclaimer in the 1451974Smsmith * documentation and/or other materials provided with the distribution. 1551974Smsmith * 1651974Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1751974Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1851974Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1951974Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2051974Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2151974Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2251974Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2351974Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2451974Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2551974Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2651974Smsmith * SUCH DAMAGE. 27119418Sobrien */ 28139749Simp/*- 29106225Semoore * Copyright (c) 2002 Eric Moore 30140688Sscottl * Copyright (c) 2002, 2004 LSI Logic Corporation 31106225Semoore * All rights reserved. 32106225Semoore * 33106225Semoore * Redistribution and use in source and binary forms, with or without 34106225Semoore * modification, are permitted provided that the following conditions 35106225Semoore * are met: 36106225Semoore * 1. Redistributions of source code must retain the above copyright 37106225Semoore * notice, this list of conditions and the following disclaimer. 38106225Semoore * 2. Redistributions in binary form must reproduce the above copyright 39106225Semoore * notice, this list of conditions and the following disclaimer in the 40106225Semoore * documentation and/or other materials provided with the distribution. 41105419Semoore * 3. The party using or redistributing the source code and binary forms 42106225Semoore * agrees to the disclaimer below and the terms and conditions set forth 43105419Semoore * herein. 44105419Semoore * 45106225Semoore * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 46106225Semoore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47106225Semoore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48106225Semoore * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 49106225Semoore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50106225Semoore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51106225Semoore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52106225Semoore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53106225Semoore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54106225Semoore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55106225Semoore * SUCH DAMAGE. 5651974Smsmith */ 5751974Smsmith 58119418Sobrien#include <sys/cdefs.h> 59119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/amr/amr.c 152119 2005-11-06 15:13:42Z scottl $"); 60119418Sobrien 6151974Smsmith/* 6265245Smsmith * Driver for the AMI MegaRaid family of controllers. 6351974Smsmith */ 6451974Smsmith 6551974Smsmith#include <sys/param.h> 6651974Smsmith#include <sys/systm.h> 6751974Smsmith#include <sys/malloc.h> 6851974Smsmith#include <sys/kernel.h> 6951974Smsmith 70148850Sscottl#include <sys/bio.h> 7151974Smsmith#include <sys/bus.h> 7251974Smsmith#include <sys/conf.h> 7365245Smsmith#include <sys/stat.h> 7451974Smsmith 7565245Smsmith#include <machine/bus.h> 7651974Smsmith#include <machine/resource.h> 7751974Smsmith#include <sys/rman.h> 7851974Smsmith 79119277Simp#include <dev/pci/pcireg.h> 80119277Simp#include <dev/pci/pcivar.h> 8165245Smsmith 8251974Smsmith#include <dev/amr/amrio.h> 8351974Smsmith#include <dev/amr/amrreg.h> 8451974Smsmith#include <dev/amr/amrvar.h> 8565245Smsmith#define AMR_DEFINE_TABLES 8665245Smsmith#include <dev/amr/amr_tables.h> 8751974Smsmith 8865245Smsmithstatic d_open_t amr_open; 8965245Smsmithstatic d_close_t amr_close; 9065245Smsmithstatic d_ioctl_t amr_ioctl; 9165245Smsmith 9251974Smsmithstatic struct cdevsw amr_cdevsw = { 93126080Sphk .d_version = D_VERSION, 94126080Sphk .d_flags = D_NEEDGIANT, 95111815Sphk .d_open = amr_open, 96111815Sphk .d_close = amr_close, 97111815Sphk .d_ioctl = amr_ioctl, 98111815Sphk .d_name = "amr", 9951974Smsmith}; 10051974Smsmith 10165245Smsmith/* 10265245Smsmith * Initialisation, bus interface. 10365245Smsmith */ 10465245Smsmithstatic void amr_startup(void *arg); 10551974Smsmith 10651974Smsmith/* 10751974Smsmith * Command wrappers 10851974Smsmith */ 10965245Smsmithstatic int amr_query_controller(struct amr_softc *sc); 11065245Smsmithstatic void *amr_enquiry(struct amr_softc *sc, size_t bufsize, 11165245Smsmith u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual); 11265245Smsmithstatic void amr_completeio(struct amr_command *ac); 113106225Semoorestatic int amr_support_ext_cdb(struct amr_softc *sc); 11451974Smsmith 11551974Smsmith/* 11665245Smsmith * Command buffer allocation. 11751974Smsmith */ 11865245Smsmithstatic void amr_alloccmd_cluster(struct amr_softc *sc); 11965245Smsmithstatic void amr_freecmd_cluster(struct amr_command_cluster *acc); 12051974Smsmith 12151974Smsmith/* 12265245Smsmith * Command processing. 12351974Smsmith */ 12465245Smsmithstatic int amr_bio_command(struct amr_softc *sc, struct amr_command **acp); 125138422Sscottlstatic int amr_wait_command(struct amr_command *ac) __unused; 12665245Smsmithstatic int amr_getslot(struct amr_command *ac); 127138422Sscottlstatic int amr_mapcmd(struct amr_command *ac); 12865245Smsmithstatic void amr_unmapcmd(struct amr_command *ac); 12965245Smsmithstatic int amr_start(struct amr_command *ac); 130138422Sscottlstatic int amr_start1(struct amr_softc *sc, struct amr_command *ac); 13165245Smsmithstatic void amr_complete(void *context, int pending); 132138422Sscottlstatic void amr_setup_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 133138422Sscottlstatic void amr_setup_data_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error); 13451974Smsmith 13551974Smsmith/* 13658883Smsmith * Status monitoring 13758883Smsmith */ 13865245Smsmithstatic void amr_periodic(void *data); 13958883Smsmith 14058883Smsmith/* 14151974Smsmith * Interface-specific shims 14251974Smsmith */ 14365245Smsmithstatic int amr_quartz_submit_command(struct amr_softc *sc); 14465245Smsmithstatic int amr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 145107756Semoorestatic int amr_quartz_poll_command(struct amr_command *ac); 146138422Sscottlstatic int amr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac); 14751974Smsmith 14865245Smsmithstatic int amr_std_submit_command(struct amr_softc *sc); 14965245Smsmithstatic int amr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave); 150107756Semoorestatic int amr_std_poll_command(struct amr_command *ac); 15165245Smsmithstatic void amr_std_attach_mailbox(struct amr_softc *sc); 15251974Smsmith 15365245Smsmith#ifdef AMR_BOARD_INIT 15465245Smsmithstatic int amr_quartz_init(struct amr_softc *sc); 15565245Smsmithstatic int amr_std_init(struct amr_softc *sc); 15665245Smsmith#endif 15765245Smsmith 15851974Smsmith/* 15951974Smsmith * Debugging 16051974Smsmith */ 16165245Smsmithstatic void amr_describe_controller(struct amr_softc *sc); 16265245Smsmith#ifdef AMR_DEBUG 163107756Semoore#if 0 16465245Smsmithstatic void amr_printcommand(struct amr_command *ac); 16565245Smsmith#endif 166107756Semoore#endif 16751974Smsmith 16851974Smsmith/******************************************************************************** 16951974Smsmith ******************************************************************************** 17065245Smsmith Inline Glue 17151974Smsmith ******************************************************************************** 17251974Smsmith ********************************************************************************/ 17351974Smsmith 17451974Smsmith/******************************************************************************** 17565245Smsmith ******************************************************************************** 17665245Smsmith Public Interfaces 17765245Smsmith ******************************************************************************** 17865245Smsmith ********************************************************************************/ 17951974Smsmith 18051974Smsmith/******************************************************************************** 18151974Smsmith * Initialise the controller and softc. 18251974Smsmith */ 18351974Smsmithint 18451974Smsmithamr_attach(struct amr_softc *sc) 18551974Smsmith{ 18651974Smsmith 18765245Smsmith debug_called(1); 18865245Smsmith 18951974Smsmith /* 19051974Smsmith * Initialise per-controller queues. 19151974Smsmith */ 19265245Smsmith TAILQ_INIT(&sc->amr_completed); 19351974Smsmith TAILQ_INIT(&sc->amr_freecmds); 19465245Smsmith TAILQ_INIT(&sc->amr_cmd_clusters); 19565245Smsmith TAILQ_INIT(&sc->amr_ready); 19659249Sphk bioq_init(&sc->amr_bioq); 19751974Smsmith 19865245Smsmith debug(2, "queue init done"); 19965245Smsmith 20065245Smsmith /* 20151974Smsmith * Configure for this controller type. 20251974Smsmith */ 20365245Smsmith if (AMR_IS_QUARTZ(sc)) { 20451974Smsmith sc->amr_submit_command = amr_quartz_submit_command; 20551974Smsmith sc->amr_get_work = amr_quartz_get_work; 206107756Semoore sc->amr_poll_command = amr_quartz_poll_command; 207138422Sscottl sc->amr_poll_command1 = amr_quartz_poll_command1; 20851974Smsmith } else { 20951974Smsmith sc->amr_submit_command = amr_std_submit_command; 21051974Smsmith sc->amr_get_work = amr_std_get_work; 211107756Semoore sc->amr_poll_command = amr_std_poll_command; 21265245Smsmith amr_std_attach_mailbox(sc);; 21351974Smsmith } 21451974Smsmith 21565245Smsmith#ifdef AMR_BOARD_INIT 21665245Smsmith if ((AMR_IS_QUARTZ(sc) ? amr_quartz_init(sc) : amr_std_init(sc)))) 21765245Smsmith return(ENXIO); 21865245Smsmith#endif 21951974Smsmith 22051974Smsmith /* 22165245Smsmith * Quiz controller for features and limits. 22251974Smsmith */ 22365245Smsmith if (amr_query_controller(sc)) 22465245Smsmith return(ENXIO); 22551974Smsmith 22665245Smsmith debug(2, "controller query complete"); 22751974Smsmith 22851974Smsmith /* 22965245Smsmith * Attach our 'real' SCSI channels to CAM. 23051974Smsmith */ 23165245Smsmith if (amr_cam_attach(sc)) 23251974Smsmith return(ENXIO); 23365245Smsmith debug(2, "CAM attach done"); 23451974Smsmith 23551974Smsmith /* 23665245Smsmith * Create the control device. 23751974Smsmith */ 23865245Smsmith sc->amr_dev_t = make_dev(&amr_cdevsw, device_get_unit(sc->amr_dev), UID_ROOT, GID_OPERATOR, 23965245Smsmith S_IRUSR | S_IWUSR, "amr%d", device_get_unit(sc->amr_dev)); 24065245Smsmith sc->amr_dev_t->si_drv1 = sc; 24151974Smsmith 24251974Smsmith /* 24365245Smsmith * Schedule ourselves to bring the controller up once interrupts are 24465245Smsmith * available. 24551974Smsmith */ 24665245Smsmith bzero(&sc->amr_ich, sizeof(struct intr_config_hook)); 24765245Smsmith sc->amr_ich.ich_func = amr_startup; 24865245Smsmith sc->amr_ich.ich_arg = sc; 24965245Smsmith if (config_intrhook_establish(&sc->amr_ich) != 0) { 25065245Smsmith device_printf(sc->amr_dev, "can't establish configuration hook\n"); 25165245Smsmith return(ENOMEM); 25265245Smsmith } 25351974Smsmith 25458883Smsmith /* 25565245Smsmith * Print a little information about the controller. 25658883Smsmith */ 25765245Smsmith amr_describe_controller(sc); 25858883Smsmith 25965245Smsmith debug(2, "attach complete"); 26051974Smsmith return(0); 26151974Smsmith} 26251974Smsmith 26351974Smsmith/******************************************************************************** 26451974Smsmith * Locate disk resources and attach children to them. 26551974Smsmith */ 26665245Smsmithstatic void 26765245Smsmithamr_startup(void *arg) 26851974Smsmith{ 26965245Smsmith struct amr_softc *sc = (struct amr_softc *)arg; 27051974Smsmith struct amr_logdrive *dr; 27151974Smsmith int i, error; 27251974Smsmith 27365245Smsmith debug_called(1); 27451974Smsmith 27565245Smsmith /* pull ourselves off the intrhook chain */ 27665245Smsmith config_intrhook_disestablish(&sc->amr_ich); 27765245Smsmith 27851974Smsmith /* get up-to-date drive information */ 27951974Smsmith if (amr_query_controller(sc)) { 28065245Smsmith device_printf(sc->amr_dev, "can't scan controller for drives\n"); 28151974Smsmith return; 28251974Smsmith } 28351974Smsmith 28451974Smsmith /* iterate over available drives */ 28551974Smsmith for (i = 0, dr = &sc->amr_drive[0]; (i < AMR_MAXLD) && (dr->al_size != 0xffffffff); i++, dr++) { 28651974Smsmith /* are we already attached to this drive? */ 28751974Smsmith if (dr->al_disk == 0) { 28851974Smsmith /* generate geometry information */ 28951974Smsmith if (dr->al_size > 0x200000) { /* extended translation? */ 29051974Smsmith dr->al_heads = 255; 29151974Smsmith dr->al_sectors = 63; 29251974Smsmith } else { 29351974Smsmith dr->al_heads = 64; 29451974Smsmith dr->al_sectors = 32; 29551974Smsmith } 29651974Smsmith dr->al_cylinders = dr->al_size / (dr->al_heads * dr->al_sectors); 29751974Smsmith 29854073Smdodd dr->al_disk = device_add_child(sc->amr_dev, NULL, -1); 29951974Smsmith if (dr->al_disk == 0) 30051974Smsmith device_printf(sc->amr_dev, "device_add_child failed\n"); 30154073Smdodd device_set_ivars(dr->al_disk, dr); 30251974Smsmith } 30351974Smsmith } 30451974Smsmith 30551974Smsmith if ((error = bus_generic_attach(sc->amr_dev)) != 0) 30651974Smsmith device_printf(sc->amr_dev, "bus_generic_attach returned %d\n", error); 30751974Smsmith 30851974Smsmith /* mark controller back up */ 30951974Smsmith sc->amr_state &= ~AMR_STATE_SHUTDOWN; 31051974Smsmith 31151974Smsmith /* interrupts will be enabled before we do anything more */ 31251974Smsmith sc->amr_state |= AMR_STATE_INTEN; 31351974Smsmith 31451974Smsmith /* 31565245Smsmith * Start the timeout routine. 31651974Smsmith */ 31765245Smsmith/* sc->amr_timeout = timeout(amr_periodic, sc, hz);*/ 31851974Smsmith 31965245Smsmith return; 32051974Smsmith} 32151974Smsmith 32265245Smsmith/******************************************************************************* 32365245Smsmith * Free resources associated with a controller instance 32451974Smsmith */ 32565245Smsmithvoid 32665245Smsmithamr_free(struct amr_softc *sc) 32751974Smsmith{ 32865245Smsmith struct amr_command_cluster *acc; 32951974Smsmith 33065245Smsmith /* detach from CAM */ 331107756Semoore amr_cam_detach(sc); 33251974Smsmith 33365245Smsmith /* cancel status timeout */ 33465245Smsmith untimeout(amr_periodic, sc, sc->amr_timeout); 33551974Smsmith 33665245Smsmith /* throw away any command buffers */ 33765245Smsmith while ((acc = TAILQ_FIRST(&sc->amr_cmd_clusters)) != NULL) { 33865245Smsmith TAILQ_REMOVE(&sc->amr_cmd_clusters, acc, acc_link); 33965245Smsmith amr_freecmd_cluster(acc); 34051974Smsmith } 341107756Semoore 342107756Semoore /* destroy control device */ 343130585Sphk if( sc->amr_dev_t != (struct cdev *)NULL) 344107756Semoore destroy_dev(sc->amr_dev_t); 345140340Sscottl 346140340Sscottl if (mtx_initialized(&sc->amr_io_lock)) 347140340Sscottl mtx_destroy(&sc->amr_io_lock); 34851974Smsmith} 34951974Smsmith 35051974Smsmith/******************************************************************************* 35165245Smsmith * Receive a bio structure from a child device and queue it on a particular 35251974Smsmith * disk resource, then poke the disk resource to start as much work as it can. 35351974Smsmith */ 35451974Smsmithint 35565245Smsmithamr_submit_bio(struct amr_softc *sc, struct bio *bio) 35651974Smsmith{ 35765245Smsmith debug_called(2); 35852543Smsmith 359140340Sscottl mtx_lock(&sc->amr_io_lock); 36065245Smsmith amr_enqueue_bio(sc, bio); 36151974Smsmith amr_startio(sc); 362140340Sscottl mtx_unlock(&sc->amr_io_lock); 36351974Smsmith return(0); 36451974Smsmith} 36551974Smsmith 36651974Smsmith/******************************************************************************** 36751974Smsmith * Accept an open operation on the control device. 36851974Smsmith */ 369104094Sphkstatic int 370130585Sphkamr_open(struct cdev *dev, int flags, int fmt, d_thread_t *td) 37151974Smsmith{ 37251974Smsmith int unit = minor(dev); 37389055Smsmith struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 37451974Smsmith 37565245Smsmith debug_called(1); 37665245Smsmith 37751974Smsmith sc->amr_state |= AMR_STATE_OPEN; 37851974Smsmith return(0); 37951974Smsmith} 38051974Smsmith 38151974Smsmith/******************************************************************************** 38251974Smsmith * Accept the last close on the control device. 38351974Smsmith */ 384104094Sphkstatic int 385130585Sphkamr_close(struct cdev *dev, int flags, int fmt, d_thread_t *td) 38651974Smsmith{ 38751974Smsmith int unit = minor(dev); 38889055Smsmith struct amr_softc *sc = devclass_get_softc(devclass_find("amr"), unit); 38951974Smsmith 39065245Smsmith debug_called(1); 39165245Smsmith 39251974Smsmith sc->amr_state &= ~AMR_STATE_OPEN; 39351974Smsmith return (0); 39451974Smsmith} 39551974Smsmith 39651974Smsmith/******************************************************************************** 39751974Smsmith * Handle controller-specific control operations. 39851974Smsmith */ 399104094Sphkstatic int 400130585Sphkamr_ioctl(struct cdev *dev, u_long cmd, caddr_t addr, int32_t flag, d_thread_t *td) 40151974Smsmith{ 40265245Smsmith struct amr_softc *sc = (struct amr_softc *)dev->si_drv1; 403133870Sambrisko union { 404133870Sambrisko void *_p; 405133870Sambrisko struct amr_user_ioctl *au; 406133870Sambrisko#ifdef AMR_IO_COMMAND32 407133870Sambrisko struct amr_user_ioctl32 *au32; 408133870Sambrisko#endif 409133870Sambrisko int *result; 410133870Sambrisko } arg; 41165245Smsmith struct amr_command *ac; 41265245Smsmith struct amr_mailbox_ioctl *mbi; 413133870Sambrisko void *dp, *au_buffer; 414133870Sambrisko unsigned long au_length; 415133870Sambrisko unsigned char *au_cmd; 416133870Sambrisko int *au_statusp, au_direction; 41765245Smsmith int error; 418143121Sscottl struct amr_passthrough *ap; /* 60 bytes */ 41965245Smsmith 42065245Smsmith debug_called(1); 42165245Smsmith 422133870Sambrisko arg._p = (void *)addr; 423133870Sambrisko 42451974Smsmith switch(cmd) { 42565245Smsmith 42665245Smsmith case AMR_IO_VERSION: 42765245Smsmith debug(1, "AMR_IO_VERSION"); 428133870Sambrisko *arg.result = AMR_IO_VERSION_NUMBER; 429133870Sambrisko return(0); 430133870Sambrisko 431133870Sambrisko#ifdef AMR_IO_COMMAND32 432133870Sambrisko /* 433133870Sambrisko * Accept ioctl-s from 32-bit binaries on non-32-bit 434133870Sambrisko * platforms, such as AMD. LSI's MEGAMGR utility is 435133870Sambrisko * the only example known today... -mi 436133870Sambrisko */ 437133870Sambrisko case AMR_IO_COMMAND32: 438133870Sambrisko debug(1, "AMR_IO_COMMAND32 0x%x", arg.au32->au_cmd[0]); 439133870Sambrisko au_cmd = arg.au32->au_cmd; 440133870Sambrisko au_buffer = (void *)(u_int64_t)arg.au32->au_buffer; 441133870Sambrisko au_length = arg.au32->au_length; 442133870Sambrisko au_direction = arg.au32->au_direction; 443133870Sambrisko au_statusp = &arg.au32->au_status; 44465245Smsmith break; 445133870Sambrisko#endif 44665245Smsmith 44765245Smsmith case AMR_IO_COMMAND: 448133870Sambrisko debug(1, "AMR_IO_COMMAND 0x%x", arg.au->au_cmd[0]); 449133870Sambrisko au_cmd = arg.au->au_cmd; 450133870Sambrisko au_buffer = (void *)arg.au->au_buffer; 451133870Sambrisko au_length = arg.au->au_length; 452133870Sambrisko au_direction = arg.au->au_direction; 453133870Sambrisko au_statusp = &arg.au->au_status; 454133870Sambrisko break; 45565245Smsmith 456133870Sambrisko default: 457133870Sambrisko debug(1, "unknown ioctl 0x%lx", cmd); 458133870Sambrisko return(ENOIOCTL); 459133870Sambrisko } 46065245Smsmith 461133870Sambrisko error = 0; 462133870Sambrisko dp = NULL; 463133870Sambrisko ac = NULL; 464143121Sscottl ap = NULL; 46565245Smsmith 466140688Sscottl /* Logical Drive not supported by the driver */ 467140688Sscottl if (au_cmd[0] == 0xa4 && au_cmd[1] == 0x1c) 468140688Sscottl return (ENOIOCTL); 469140688Sscottl 470133870Sambrisko /* handle inbound data buffer */ 471140688Sscottl if (au_length != 0 && au_cmd[0] != 0x06) { 472143488Sscottl dp = malloc(au_length, M_DEVBUF, M_WAITOK|M_ZERO); 47365245Smsmith 474140340Sscottl if ((error = copyin(au_buffer, dp, au_length)) != 0) { 475140340Sscottl free(dp, M_DEVBUF); 476140340Sscottl return (error); 477140340Sscottl } 478133870Sambrisko debug(2, "copyin %ld bytes from %p -> %p", au_length, au_buffer, dp); 479133870Sambrisko } 48065245Smsmith 481143488Sscottl /* Allocate this now before the mutex gets held */ 482143488Sscottl if (au_cmd[0] == AMR_CMD_PASS) 483143488Sscottl ap = malloc(sizeof(struct amr_passthrough), M_DEVBUF, M_WAITOK|M_ZERO); 484143488Sscottl 485140340Sscottl mtx_lock(&sc->amr_io_lock); 486133870Sambrisko if ((ac = amr_alloccmd(sc)) == NULL) { 487133870Sambrisko error = ENOMEM; 488133870Sambrisko goto out; 489133870Sambrisko } 49065245Smsmith 491133870Sambrisko /* handle SCSI passthrough command */ 492133870Sambrisko if (au_cmd[0] == AMR_CMD_PASS) { 493140340Sscottl int len; 49465245Smsmith 495133870Sambrisko /* copy cdb */ 496140340Sscottl len = au_cmd[2]; 497143121Sscottl ap->ap_cdb_length = len; 498143121Sscottl bcopy(au_cmd + 3, ap->ap_cdb, len); 49965245Smsmith 500133870Sambrisko /* build passthrough */ 501143121Sscottl ap->ap_timeout = au_cmd[len + 3] & 0x07; 502143121Sscottl ap->ap_ars = (au_cmd[len + 3] & 0x08) ? 1 : 0; 503143121Sscottl ap->ap_islogical = (au_cmd[len + 3] & 0x80) ? 1 : 0; 504143121Sscottl ap->ap_logical_drive_no = au_cmd[len + 4]; 505143121Sscottl ap->ap_channel = au_cmd[len + 5]; 506143121Sscottl ap->ap_scsi_id = au_cmd[len + 6]; 507143121Sscottl ap->ap_request_sense_length = 14; 508143121Sscottl ap->ap_data_transfer_length = au_length; 509133870Sambrisko /* XXX what about the request-sense area? does the caller want it? */ 51065245Smsmith 511133870Sambrisko /* build command */ 512143121Sscottl ac->ac_data = ap; 513140340Sscottl ac->ac_length = sizeof(struct amr_passthrough); 514133870Sambrisko ac->ac_flags |= AMR_CMD_DATAOUT; 515133870Sambrisko ac->ac_ccb_data = dp; 516133870Sambrisko ac->ac_ccb_length = au_length; 517133870Sambrisko if (au_direction & AMR_IO_READ) 518133870Sambrisko ac->ac_flags |= AMR_CMD_CCB_DATAIN; 519133870Sambrisko if (au_direction & AMR_IO_WRITE) 520133870Sambrisko ac->ac_flags |= AMR_CMD_CCB_DATAOUT; 52165245Smsmith 522133870Sambrisko ac->ac_mailbox.mb_command = AMR_CMD_PASS; 52365245Smsmith 524133870Sambrisko } else { 525133870Sambrisko /* direct command to controller */ 526133870Sambrisko mbi = (struct amr_mailbox_ioctl *)&ac->ac_mailbox; 527105419Semoore 528133870Sambrisko /* copy pertinent mailbox items */ 529133870Sambrisko mbi->mb_command = au_cmd[0]; 530133870Sambrisko mbi->mb_channel = au_cmd[1]; 531133870Sambrisko mbi->mb_param = au_cmd[2]; 532133870Sambrisko mbi->mb_pad[0] = au_cmd[3]; 533133870Sambrisko mbi->mb_drive = au_cmd[4]; 534133870Sambrisko 535133870Sambrisko /* build the command */ 536133870Sambrisko ac->ac_data = dp; 537133870Sambrisko ac->ac_length = au_length; 538133870Sambrisko if (au_direction & AMR_IO_READ) 539133870Sambrisko ac->ac_flags |= AMR_CMD_DATAIN; 540133870Sambrisko if (au_direction & AMR_IO_WRITE) 541133870Sambrisko ac->ac_flags |= AMR_CMD_DATAOUT; 54251974Smsmith } 54351974Smsmith 544133870Sambrisko /* run the command */ 545133870Sambrisko if ((error = amr_wait_command(ac)) != 0) 546133870Sambrisko goto out; 547133870Sambrisko 548133870Sambrisko /* copy out data and set status */ 549140340Sscottl if (au_length != 0) { 550140340Sscottl mtx_unlock(&sc->amr_io_lock); 551133870Sambrisko error = copyout(dp, au_buffer, au_length); 552140340Sscottl mtx_lock(&sc->amr_io_lock); 553140340Sscottl } 554133870Sambrisko debug(2, "copyout %ld bytes from %p -> %p", au_length, dp, au_buffer); 55565245Smsmith if (dp != NULL) 556133870Sambrisko debug(2, "%16d", (int)dp); 557133870Sambrisko *au_statusp = ac->ac_status; 558133870Sambrisko 559133870Sambriskoout: 560140340Sscottl /* 561140340Sscottl * At this point, we know that there is a lock held and that these 562140340Sscottl * objects have been allocated. 563140340Sscottl */ 564143488Sscottl if (ac != NULL) 565143488Sscottl amr_releasecmd(ac); 566140340Sscottl mtx_unlock(&sc->amr_io_lock); 567143488Sscottl if (dp != NULL) 568143488Sscottl free(dp, M_DEVBUF); 569143488Sscottl if (ap != NULL) 570143488Sscottl free(ap, M_DEVBUF); 57165245Smsmith return(error); 57251974Smsmith} 57351974Smsmith 57451974Smsmith/******************************************************************************** 57551974Smsmith ******************************************************************************** 57658883Smsmith Status Monitoring 57758883Smsmith ******************************************************************************** 57858883Smsmith ********************************************************************************/ 57958883Smsmith 58058883Smsmith/******************************************************************************** 58158883Smsmith * Perform a periodic check of the controller status 58258883Smsmith */ 58358883Smsmithstatic void 58458883Smsmithamr_periodic(void *data) 58558883Smsmith{ 58658883Smsmith struct amr_softc *sc = (struct amr_softc *)data; 58758883Smsmith 58865245Smsmith debug_called(2); 58958883Smsmith 59065245Smsmith /* XXX perform periodic status checks here */ 59158883Smsmith 59265245Smsmith /* compensate for missed interrupts */ 59365245Smsmith amr_done(sc); 59465245Smsmith 59558883Smsmith /* reschedule */ 59658883Smsmith sc->amr_timeout = timeout(amr_periodic, sc, hz); 59758883Smsmith} 59858883Smsmith 59958883Smsmith/******************************************************************************** 60058883Smsmith ******************************************************************************** 60151974Smsmith Command Wrappers 60251974Smsmith ******************************************************************************** 60351974Smsmith ********************************************************************************/ 60451974Smsmith 60551974Smsmith/******************************************************************************** 60651974Smsmith * Interrogate the controller for the operational parameters we require. 60751974Smsmith */ 60851974Smsmithstatic int 60951974Smsmithamr_query_controller(struct amr_softc *sc) 61051974Smsmith{ 61165245Smsmith struct amr_enquiry3 *aex; 61265245Smsmith struct amr_prodinfo *ap; 61365245Smsmith struct amr_enquiry *ae; 61465245Smsmith int ldrv; 61551974Smsmith 616140340Sscottl mtx_lock(&sc->amr_io_lock); 617140340Sscottl 61865245Smsmith /* 61965245Smsmith * If we haven't found the real limit yet, let us have a couple of commands in 62065245Smsmith * order to be able to probe. 62165245Smsmith */ 62265245Smsmith if (sc->amr_maxio == 0) 62365245Smsmith sc->amr_maxio = 2; 62451974Smsmith 625106225Semoore /* 626106225Semoore * Greater than 10 byte cdb support 627106225Semoore */ 628106225Semoore sc->support_ext_cdb = amr_support_ext_cdb(sc); 629106225Semoore 630106225Semoore if(sc->support_ext_cdb) { 631106225Semoore debug(2,"supports extended CDBs."); 632106225Semoore } 633106225Semoore 63465245Smsmith /* 63565245Smsmith * Try to issue an ENQUIRY3 command 63665245Smsmith */ 63765245Smsmith if ((aex = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_ENQ3, 63865245Smsmith AMR_CONFIG_ENQ3_SOLICITED_FULL)) != NULL) { 63951974Smsmith 64065245Smsmith /* 64165245Smsmith * Fetch current state of logical drives. 64265245Smsmith */ 64365245Smsmith for (ldrv = 0; ldrv < aex->ae_numldrives; ldrv++) { 64465245Smsmith sc->amr_drive[ldrv].al_size = aex->ae_drivesize[ldrv]; 64565245Smsmith sc->amr_drive[ldrv].al_state = aex->ae_drivestate[ldrv]; 64665245Smsmith sc->amr_drive[ldrv].al_properties = aex->ae_driveprop[ldrv]; 64765245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 64865245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 64951974Smsmith } 65065245Smsmith free(aex, M_DEVBUF); 65158883Smsmith 65265245Smsmith /* 65365245Smsmith * Get product info for channel count. 65458883Smsmith */ 65565245Smsmith if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) == NULL) { 65665245Smsmith device_printf(sc->amr_dev, "can't obtain product data from controller\n"); 657140340Sscottl mtx_unlock(&sc->amr_io_lock); 65865245Smsmith return(1); 65965245Smsmith } 66065245Smsmith sc->amr_maxdrives = 40; 66165245Smsmith sc->amr_maxchan = ap->ap_nschan; 66265245Smsmith sc->amr_maxio = ap->ap_maxio; 66365245Smsmith sc->amr_type |= AMR_TYPE_40LD; 66465245Smsmith free(ap, M_DEVBUF); 66558883Smsmith 66665245Smsmith } else { 66765245Smsmith 66865245Smsmith /* failed, try the 8LD ENQUIRY commands */ 66965245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) == NULL) { 67065245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) == NULL) { 67165245Smsmith device_printf(sc->amr_dev, "can't obtain configuration data from controller\n"); 672140340Sscottl mtx_unlock(&sc->amr_io_lock); 67365245Smsmith return(1); 67465245Smsmith } 67565245Smsmith ae->ae_signature = 0; 67651974Smsmith } 67765245Smsmith 67858883Smsmith /* 67965245Smsmith * Fetch current state of logical drives. 68058883Smsmith */ 68165245Smsmith for (ldrv = 0; ldrv < ae->ae_ldrv.al_numdrives; ldrv++) { 68265245Smsmith sc->amr_drive[ldrv].al_size = ae->ae_ldrv.al_size[ldrv]; 68365245Smsmith sc->amr_drive[ldrv].al_state = ae->ae_ldrv.al_state[ldrv]; 68465245Smsmith sc->amr_drive[ldrv].al_properties = ae->ae_ldrv.al_properties[ldrv]; 68565245Smsmith debug(2, " drive %d: %d state %x properties %x\n", ldrv, sc->amr_drive[ldrv].al_size, 68665245Smsmith sc->amr_drive[ldrv].al_state, sc->amr_drive[ldrv].al_properties); 68751974Smsmith } 68865245Smsmith 68965245Smsmith sc->amr_maxdrives = 8; 69065245Smsmith sc->amr_maxchan = ae->ae_adapter.aa_channels; 69165245Smsmith sc->amr_maxio = ae->ae_adapter.aa_maxio; 69265245Smsmith free(ae, M_DEVBUF); 69351974Smsmith } 69465245Smsmith 69565245Smsmith /* 69665245Smsmith * Mark remaining drives as unused. 69765245Smsmith */ 69865245Smsmith for (; ldrv < AMR_MAXLD; ldrv++) 69965245Smsmith sc->amr_drive[ldrv].al_size = 0xffffffff; 70065245Smsmith 70165245Smsmith /* 70265245Smsmith * Cap the maximum number of outstanding I/Os. AMI's Linux driver doesn't trust 70365245Smsmith * the controller's reported value, and lockups have been seen when we do. 70465245Smsmith */ 70565245Smsmith sc->amr_maxio = imin(sc->amr_maxio, AMR_LIMITCMD); 70665245Smsmith 707140340Sscottl mtx_unlock(&sc->amr_io_lock); 70851974Smsmith return(0); 70951974Smsmith} 71051974Smsmith 71151974Smsmith/******************************************************************************** 71251974Smsmith * Run a generic enquiry-style command. 71351974Smsmith */ 71451974Smsmithstatic void * 71551974Smsmithamr_enquiry(struct amr_softc *sc, size_t bufsize, u_int8_t cmd, u_int8_t cmdsub, u_int8_t cmdqual) 71651974Smsmith{ 71751974Smsmith struct amr_command *ac; 71851974Smsmith void *result; 71951974Smsmith u_int8_t *mbox; 72051974Smsmith int error; 72151974Smsmith 72265245Smsmith debug_called(1); 72351974Smsmith 72451974Smsmith error = 1; 72551974Smsmith result = NULL; 72651974Smsmith 72751974Smsmith /* get ourselves a command buffer */ 72851974Smsmith if ((ac = amr_alloccmd(sc)) == NULL) 72951974Smsmith goto out; 73051974Smsmith /* allocate the response structure */ 731138422Sscottl if ((result = malloc(bufsize, M_DEVBUF, M_ZERO|M_NOWAIT)) == NULL) 73251974Smsmith goto out; 73365245Smsmith /* set command flags */ 734138422Sscottl 735135236Sscottl ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAIN; 73651974Smsmith 73765245Smsmith /* point the command at our data */ 73851974Smsmith ac->ac_data = result; 73951974Smsmith ac->ac_length = bufsize; 74051974Smsmith 74151974Smsmith /* build the command proper */ 74251974Smsmith mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 74351974Smsmith mbox[0] = cmd; 74451974Smsmith mbox[2] = cmdsub; 74551974Smsmith mbox[3] = cmdqual; 74651974Smsmith 74758883Smsmith /* can't assume that interrupts are going to work here, so play it safe */ 748107756Semoore if (sc->amr_poll_command(ac)) 74951974Smsmith goto out; 75051974Smsmith error = ac->ac_status; 75151974Smsmith 75251974Smsmith out: 75351974Smsmith if (ac != NULL) 75451974Smsmith amr_releasecmd(ac); 75551974Smsmith if ((error != 0) && (result != NULL)) { 75651974Smsmith free(result, M_DEVBUF); 75751974Smsmith result = NULL; 75851974Smsmith } 75951974Smsmith return(result); 76051974Smsmith} 76151974Smsmith 76251974Smsmith/******************************************************************************** 76351974Smsmith * Flush the controller's internal cache, return status. 76451974Smsmith */ 76565245Smsmithint 76651974Smsmithamr_flush(struct amr_softc *sc) 76751974Smsmith{ 76851974Smsmith struct amr_command *ac; 76951974Smsmith int error; 77051974Smsmith 77151974Smsmith /* get ourselves a command buffer */ 77251974Smsmith error = 1; 773140340Sscottl mtx_lock(&sc->amr_io_lock); 77451974Smsmith if ((ac = amr_alloccmd(sc)) == NULL) 77551974Smsmith goto out; 77665245Smsmith /* set command flags */ 77751974Smsmith ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 77851974Smsmith 77951974Smsmith /* build the command proper */ 78051974Smsmith ac->ac_mailbox.mb_command = AMR_CMD_FLUSH; 78151974Smsmith 78258883Smsmith /* we have to poll, as the system may be going down or otherwise damaged */ 783107756Semoore if (sc->amr_poll_command(ac)) 78451974Smsmith goto out; 78551974Smsmith error = ac->ac_status; 78651974Smsmith 78751974Smsmith out: 78851974Smsmith if (ac != NULL) 78951974Smsmith amr_releasecmd(ac); 790140340Sscottl mtx_unlock(&sc->amr_io_lock); 79151974Smsmith return(error); 79251974Smsmith} 79351974Smsmith 79451974Smsmith/******************************************************************************** 795106225Semoore * Detect extented cdb >> greater than 10 byte cdb support 796106225Semoore * returns '1' means this support exist 797106225Semoore * returns '0' means this support doesn't exist 798106225Semoore */ 799106225Semoorestatic int 800106225Semooreamr_support_ext_cdb(struct amr_softc *sc) 801106225Semoore{ 802106225Semoore struct amr_command *ac; 803106225Semoore u_int8_t *mbox; 804106225Semoore int error; 805106225Semoore 806106225Semoore /* get ourselves a command buffer */ 807106225Semoore error = 0; 808106225Semoore if ((ac = amr_alloccmd(sc)) == NULL) 809106225Semoore goto out; 810106225Semoore /* set command flags */ 811106225Semoore ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 812106225Semoore 813106225Semoore /* build the command proper */ 814106225Semoore mbox = (u_int8_t *)&ac->ac_mailbox; /* XXX want a real structure for this? */ 815106225Semoore mbox[0] = 0xA4; 816106225Semoore mbox[2] = 0x16; 817106225Semoore 818106225Semoore 819106225Semoore /* we have to poll, as the system may be going down or otherwise damaged */ 820107756Semoore if (sc->amr_poll_command(ac)) 821106225Semoore goto out; 822106225Semoore if( ac->ac_status == AMR_STATUS_SUCCESS ) { 823106225Semoore error = 1; 824106225Semoore } 825106225Semoore 826106225Semooreout: 827106225Semoore if (ac != NULL) 828106225Semoore amr_releasecmd(ac); 829106225Semoore return(error); 830106225Semoore} 831106225Semoore 832106225Semoore/******************************************************************************** 83365245Smsmith * Try to find I/O work for the controller from one or more of the work queues. 83451974Smsmith * 83565245Smsmith * We make the assumption that if the controller is not ready to take a command 83665245Smsmith * at some given time, it will generate an interrupt at some later time when 83765245Smsmith * it is. 83851974Smsmith */ 83965245Smsmithvoid 84051974Smsmithamr_startio(struct amr_softc *sc) 84151974Smsmith{ 84251974Smsmith struct amr_command *ac; 84351974Smsmith 84451974Smsmith /* spin until something prevents us from doing any work */ 84551974Smsmith for (;;) { 84651974Smsmith 847138422Sscottl /* Don't bother to queue commands no bounce buffers are available. */ 848138422Sscottl if (sc->amr_state & AMR_STATE_QUEUE_FRZN) 849138422Sscottl break; 850138422Sscottl 85165245Smsmith /* try to get a ready command */ 85265245Smsmith ac = amr_dequeue_ready(sc); 85351974Smsmith 85465245Smsmith /* if that failed, build a command from a bio */ 85565245Smsmith if (ac == NULL) 85665245Smsmith (void)amr_bio_command(sc, &ac); 85751974Smsmith 85865245Smsmith /* if that failed, build a command from a ccb */ 85965245Smsmith if (ac == NULL) 86065245Smsmith (void)amr_cam_command(sc, &ac); 861105419Semoore 86265245Smsmith /* if we don't have anything to do, give up */ 86365245Smsmith if (ac == NULL) 86465245Smsmith break; 86551974Smsmith 86665245Smsmith /* try to give the command to the controller; if this fails save it for later and give up */ 86765245Smsmith if (amr_start(ac)) { 86865245Smsmith debug(2, "controller busy, command deferred"); 86965245Smsmith amr_requeue_ready(ac); /* XXX schedule retry very soon? */ 87065245Smsmith break; 87151974Smsmith } 87251974Smsmith } 87351974Smsmith} 87451974Smsmith 87551974Smsmith/******************************************************************************** 87651974Smsmith * Handle completion of an I/O command. 87751974Smsmith */ 87851974Smsmithstatic void 87951974Smsmithamr_completeio(struct amr_command *ac) 88051974Smsmith{ 881148499Sps struct amrd_softc *sc = ac->ac_bio->bio_disk->d_drv1; 882140340Sscottl 88351974Smsmith if (ac->ac_status != AMR_STATUS_SUCCESS) { /* could be more verbose here? */ 88465245Smsmith ac->ac_bio->bio_error = EIO; 88565245Smsmith ac->ac_bio->bio_flags |= BIO_ERROR; 88651974Smsmith 887148499Sps device_printf(sc->amrd_dev, "I/O error - 0x%x\n", ac->ac_status); 88865245Smsmith/* amr_printcommand(ac);*/ 88951974Smsmith } 89065245Smsmith amrd_intr(ac->ac_bio); 89165245Smsmith amr_releasecmd(ac); 89251974Smsmith} 89351974Smsmith 89451974Smsmith/******************************************************************************** 89551974Smsmith ******************************************************************************** 89651974Smsmith Command Processing 89751974Smsmith ******************************************************************************** 89851974Smsmith ********************************************************************************/ 89951974Smsmith 90051974Smsmith/******************************************************************************** 90165245Smsmith * Convert a bio off the top of the bio queue into a command. 90265245Smsmith */ 90365245Smsmithstatic int 90465245Smsmithamr_bio_command(struct amr_softc *sc, struct amr_command **acp) 90565245Smsmith{ 90665245Smsmith struct amr_command *ac; 90765245Smsmith struct amrd_softc *amrd; 90865245Smsmith struct bio *bio; 90965245Smsmith int error; 91065245Smsmith int blkcount; 91165245Smsmith int driveno; 91265245Smsmith int cmd; 91365245Smsmith 91465245Smsmith ac = NULL; 91565245Smsmith error = 0; 91665245Smsmith 917140340Sscottl /* get a command */ 918140340Sscottl if ((ac = amr_alloccmd(sc)) == NULL) 919140340Sscottl return (ENOMEM); 920140340Sscottl 92165245Smsmith /* get a bio to work on */ 922140340Sscottl if ((bio = amr_dequeue_bio(sc)) == NULL) { 923140340Sscottl amr_releasecmd(ac); 924140340Sscottl return (0); 925140340Sscottl } 92665245Smsmith 92765245Smsmith /* connect the bio to the command */ 92865245Smsmith ac->ac_complete = amr_completeio; 92965245Smsmith ac->ac_bio = bio; 93065245Smsmith ac->ac_data = bio->bio_data; 93165245Smsmith ac->ac_length = bio->bio_bcount; 932148850Sscottl if (bio->bio_cmd == BIO_READ) { 93365245Smsmith ac->ac_flags |= AMR_CMD_DATAIN; 93465245Smsmith cmd = AMR_CMD_LREAD; 93565245Smsmith } else { 93665245Smsmith ac->ac_flags |= AMR_CMD_DATAOUT; 93765245Smsmith cmd = AMR_CMD_LWRITE; 93865245Smsmith } 939111441Sphk amrd = (struct amrd_softc *)bio->bio_disk->d_drv1; 94065245Smsmith driveno = amrd->amrd_drive - sc->amr_drive; 94165245Smsmith blkcount = (bio->bio_bcount + AMR_BLKSIZE - 1) / AMR_BLKSIZE; 94265245Smsmith 94365245Smsmith ac->ac_mailbox.mb_command = cmd; 94465245Smsmith ac->ac_mailbox.mb_blkcount = blkcount; 94565245Smsmith ac->ac_mailbox.mb_lba = bio->bio_pblkno; 94665245Smsmith ac->ac_mailbox.mb_drive = driveno; 94765245Smsmith /* we fill in the s/g related data when the command is mapped */ 94865245Smsmith 94965245Smsmith if ((bio->bio_pblkno + blkcount) > sc->amr_drive[driveno].al_size) 95092610Sbde device_printf(sc->amr_dev, "I/O beyond end of unit (%lld,%d > %lu)\n", 95192610Sbde (long long)bio->bio_pblkno, blkcount, 95292610Sbde (u_long)sc->amr_drive[driveno].al_size); 95365245Smsmith 95465245Smsmith *acp = ac; 95565245Smsmith return(error); 95665245Smsmith} 95765245Smsmith 95865245Smsmith/******************************************************************************** 95951974Smsmith * Take a command, submit it to the controller and sleep until it completes 96051974Smsmith * or fails. Interrupts must be enabled, returns nonzero on error. 96151974Smsmith */ 96251974Smsmithstatic int 96351974Smsmithamr_wait_command(struct amr_command *ac) 96451974Smsmith{ 965148498Sps int error = 0; 96651974Smsmith 96765245Smsmith debug_called(1); 96851974Smsmith 96951974Smsmith ac->ac_complete = NULL; 97065245Smsmith ac->ac_flags |= AMR_CMD_SLEEP; 97151974Smsmith if ((error = amr_start(ac)) != 0) 97251974Smsmith return(error); 97351974Smsmith 974148498Sps while ((ac->ac_flags & AMR_CMD_BUSY) && (error != EWOULDBLOCK)) { 975148498Sps error = msleep(ac, &ac->ac_sc->amr_io_lock, PRIBIO, "amrwcmd", 0); 97651974Smsmith } 977148498Sps return(error); 97851974Smsmith} 97951974Smsmith 98051974Smsmith/******************************************************************************** 98151974Smsmith * Take a command, submit it to the controller and busy-wait for it to return. 98251974Smsmith * Returns nonzero on error. Can be safely called with interrupts enabled. 98351974Smsmith */ 98451974Smsmithstatic int 985107756Semooreamr_std_poll_command(struct amr_command *ac) 98651974Smsmith{ 98751974Smsmith struct amr_softc *sc = ac->ac_sc; 98865245Smsmith int error, count; 98951974Smsmith 99065245Smsmith debug_called(2); 99151974Smsmith 99251974Smsmith ac->ac_complete = NULL; 99351974Smsmith if ((error = amr_start(ac)) != 0) 99451974Smsmith return(error); 99551974Smsmith 99651974Smsmith count = 0; 99751974Smsmith do { 99851974Smsmith /* 99951974Smsmith * Poll for completion, although the interrupt handler may beat us to it. 100051974Smsmith * Note that the timeout here is somewhat arbitrary. 100151974Smsmith */ 100251974Smsmith amr_done(sc); 100365245Smsmith DELAY(1000); 100465245Smsmith } while ((ac->ac_flags & AMR_CMD_BUSY) && (count++ < 1000)); 100565245Smsmith if (!(ac->ac_flags & AMR_CMD_BUSY)) { 100651974Smsmith error = 0; 100751974Smsmith } else { 100865245Smsmith /* XXX the slot is now marked permanently busy */ 100951974Smsmith error = EIO; 101065245Smsmith device_printf(sc->amr_dev, "polled command timeout\n"); 101151974Smsmith } 101251974Smsmith return(error); 101351974Smsmith} 101451974Smsmith 1015138422Sscottlstatic void 1016138422Sscottlamr_setup_polled_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1017138422Sscottl{ 1018138422Sscottl struct amr_command *ac = arg; 1019138422Sscottl struct amr_softc *sc = ac->ac_sc; 1020138422Sscottl 1021138422Sscottl amr_setup_dmamap(arg, segs, nsegs, err); 1022147536Sps if (ac->ac_flags & AMR_CMD_DATAIN) { 1023147536Sps bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap, 1024147536Sps BUS_DMASYNC_PREREAD); 1025147536Sps } 1026147536Sps if (ac->ac_flags & AMR_CMD_DATAOUT) { 1027147536Sps bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap, 1028147536Sps BUS_DMASYNC_PREWRITE); 1029147536Sps } 1030138422Sscottl sc->amr_poll_command1(sc, ac); 1031138422Sscottl} 1032138422Sscottl 103351974Smsmith/******************************************************************************** 1034107756Semoore * Take a command, submit it to the controller and busy-wait for it to return. 1035107756Semoore * Returns nonzero on error. Can be safely called with interrupts enabled. 1036107756Semoore */ 1037107756Semoorestatic int 1038107756Semooreamr_quartz_poll_command(struct amr_command *ac) 1039107756Semoore{ 1040107756Semoore struct amr_softc *sc = ac->ac_sc; 1041152119Sscottl int error; 1042107756Semoore 1043107756Semoore debug_called(2); 1044107756Semoore 1045138422Sscottl error = 0; 1046138422Sscottl 1047107756Semoore /* now we have a slot, we can map the command (unmapped in amr_complete) */ 1048138422Sscottl if (ac->ac_data != 0) { 1049138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1050138422Sscottl ac->ac_length, amr_setup_polled_dmamap, ac, BUS_DMA_NOWAIT) != 0) { 1051138422Sscottl error = 1; 1052138422Sscottl } 1053138422Sscottl } else { 1054138422Sscottl error = amr_quartz_poll_command1(sc, ac); 1055138422Sscottl } 1056107756Semoore 1057138422Sscottl return (error); 1058138422Sscottl} 1059107756Semoore 1060138422Sscottlstatic int 1061138422Sscottlamr_quartz_poll_command1(struct amr_softc *sc, struct amr_command *ac) 1062138422Sscottl{ 1063138422Sscottl int count, error; 1064138422Sscottl 1065140688Sscottl if ((sc->amr_state & AMR_STATE_INTEN) == 0) { 1066120988Sps count=0; 1067120988Sps while (sc->amr_busyslots) { 1068140340Sscottl msleep(sc, &sc->amr_io_lock, PRIBIO | PCATCH, "amrpoll", hz); 1069120988Sps if(count++>10) { 1070120988Sps break; 1071120988Sps } 1072109031Semoore } 1073109031Semoore 1074120988Sps if(sc->amr_busyslots) { 1075120988Sps device_printf(sc->amr_dev, "adapter is busy\n"); 1076138422Sscottl if (ac->ac_data != NULL) 1077138422Sscottl bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 1078120988Sps ac->ac_status=0; 1079120988Sps return(1); 1080120988Sps } 1081107756Semoore } 1082107756Semoore 1083107756Semoore bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE); 1084107756Semoore 1085107756Semoore /* clear the poll/ack fields in the mailbox */ 1086107756Semoore sc->amr_mailbox->mb_ident = 0xFE; 1087107756Semoore sc->amr_mailbox->mb_nstatus = 0xFF; 1088107756Semoore sc->amr_mailbox->mb_status = 0xFF; 1089107756Semoore sc->amr_mailbox->mb_poll = 0; 1090107756Semoore sc->amr_mailbox->mb_ack = 0; 1091109031Semoore sc->amr_mailbox->mb_busy = 1; 1092107756Semoore 1093107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 1094107756Semoore 1095107756Semoore while(sc->amr_mailbox->mb_nstatus == 0xFF); 1096107756Semoore while(sc->amr_mailbox->mb_status == 0xFF); 1097107827Semoore ac->ac_status=sc->amr_mailbox->mb_status; 1098107827Semoore error = (ac->ac_status !=AMR_STATUS_SUCCESS) ? 1:0; 1099107756Semoore while(sc->amr_mailbox->mb_poll != 0x77); 1100107756Semoore sc->amr_mailbox->mb_poll = 0; 1101107756Semoore sc->amr_mailbox->mb_ack = 0x77; 1102107756Semoore 1103107756Semoore /* acknowledge that we have the commands */ 1104107756Semoore AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_ACK); 1105109031Semoore while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK); 1106107756Semoore 1107107756Semoore /* unmap the command's data buffer */ 1108147536Sps if (ac->ac_flags & AMR_CMD_DATAIN) { 1109147536Sps bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap, 1110147536Sps BUS_DMASYNC_POSTREAD); 1111147536Sps } 1112147536Sps if (ac->ac_flags & AMR_CMD_DATAOUT) { 1113147536Sps bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap, 1114147536Sps BUS_DMASYNC_POSTWRITE); 1115147536Sps } 1116138422Sscottl bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 1117107756Semoore 1118107827Semoore return(error); 1119107756Semoore} 1120107756Semoore 1121107756Semoore/******************************************************************************** 112265245Smsmith * Get a free command slot for a command if it doesn't already have one. 112365245Smsmith * 112465245Smsmith * May be safely called multiple times for a given command. 112551974Smsmith */ 112651974Smsmithstatic int 112751974Smsmithamr_getslot(struct amr_command *ac) 112851974Smsmith{ 112951974Smsmith struct amr_softc *sc = ac->ac_sc; 1130140340Sscottl int slot; 113151974Smsmith 113265245Smsmith debug_called(3); 113365245Smsmith 1134140340Sscottl slot = ac->ac_slot; 1135140340Sscottl if (sc->amr_busycmd[slot] != NULL) 1136140340Sscottl panic("amr: slot %d busy?\n", slot); 113765245Smsmith 1138140340Sscottl sc->amr_busycmd[slot] = ac; 1139140340Sscottl sc->amr_busyslots++; 114051974Smsmith 1141140340Sscottl return (0); 114251974Smsmith} 114351974Smsmith 114451974Smsmith/******************************************************************************** 114565245Smsmith * Map/unmap (ac)'s data in the controller's addressable space as required. 114665245Smsmith * 114765245Smsmith * These functions may be safely called multiple times on a given command. 114851974Smsmith */ 114951974Smsmithstatic void 115051974Smsmithamr_setup_dmamap(void *arg, bus_dma_segment_t *segs, int nsegments, int error) 115151974Smsmith{ 115251974Smsmith struct amr_command *ac = (struct amr_command *)arg; 115351974Smsmith struct amr_softc *sc = ac->ac_sc; 115451974Smsmith struct amr_sgentry *sg; 115551974Smsmith int i; 115669319Smsmith u_int8_t *sgc; 115751974Smsmith 115865245Smsmith debug_called(3); 115951974Smsmith 116051974Smsmith /* get base address of s/g table */ 116151974Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 116251974Smsmith 116365245Smsmith /* save data physical address */ 116451974Smsmith ac->ac_dataphys = segs[0].ds_addr; 116551974Smsmith 116669319Smsmith /* for AMR_CMD_CONFIG the s/g count goes elsewhere */ 116769319Smsmith if (ac->ac_mailbox.mb_command == AMR_CMD_CONFIG) { 116869319Smsmith sgc = &(((struct amr_mailbox_ioctl *)&ac->ac_mailbox)->mb_param); 116969319Smsmith } else { 117069319Smsmith sgc = &ac->ac_mailbox.mb_nsgelem; 117169319Smsmith } 117269319Smsmith 117365245Smsmith /* decide whether we need to populate the s/g table */ 117465245Smsmith if (nsegments < 2) { 117569319Smsmith *sgc = 0; 1176105419Semoore ac->ac_mailbox.mb_nsgelem = 0; 117765245Smsmith ac->ac_mailbox.mb_physaddr = ac->ac_dataphys; 117865245Smsmith } else { 1179105419Semoore ac->ac_mailbox.mb_nsgelem = nsegments; 118069319Smsmith *sgc = nsegments; 1181138422Sscottl ac->ac_mailbox.mb_physaddr = sc->amr_sgbusaddr + 1182138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 118365245Smsmith for (i = 0; i < nsegments; i++, sg++) { 118465245Smsmith sg->sg_addr = segs[i].ds_addr; 118565245Smsmith sg->sg_count = segs[i].ds_len; 118665245Smsmith } 118765245Smsmith } 1188138422Sscottl 118965245Smsmith} 119065245Smsmith 119165245Smsmithstatic void 119265245Smsmithamr_setup_ccbmap(void *arg, bus_dma_segment_t *segs, int nsegments, int error) 119365245Smsmith{ 1194105419Semoore struct amr_command *ac = (struct amr_command *)arg; 1195105419Semoore struct amr_softc *sc = ac->ac_sc; 1196105419Semoore struct amr_sgentry *sg; 1197105419Semoore struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data; 1198106252Semoore struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data; 1199105419Semoore int i; 120065245Smsmith 120165245Smsmith /* get base address of s/g table */ 120265245Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 120365245Smsmith 1204105419Semoore /* decide whether we need to populate the s/g table */ 1205106225Semoore if( ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS ) { 1206106225Semoore if (nsegments < 2) { 1207106225Semoore aep->ap_no_sg_elements = 0; 1208106225Semoore aep->ap_data_transfer_address = segs[0].ds_addr; 1209106225Semoore } else { 1210106225Semoore /* save s/g table information in passthrough */ 1211106225Semoore aep->ap_no_sg_elements = nsegments; 1212138422Sscottl aep->ap_data_transfer_address = sc->amr_sgbusaddr + 1213138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 1214138422Sscottl /* 1215138422Sscottl * populate s/g table (overwrites previous call which mapped the 1216138422Sscottl * passthrough) 1217138422Sscottl */ 1218106225Semoore for (i = 0; i < nsegments; i++, sg++) { 1219106225Semoore sg->sg_addr = segs[i].ds_addr; 1220106225Semoore sg->sg_count = segs[i].ds_len; 1221106225Semoore debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count); 1222106225Semoore } 1223106225Semoore } 1224138422Sscottl debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x\n", 1225138422Sscottl ac->ac_slot, aep->ap_no_sg_elements, aep->ap_data_transfer_address, 1226138422Sscottl ac->ac_dataphys); 1227105419Semoore } else { 1228106225Semoore if (nsegments < 2) { 1229106225Semoore ap->ap_no_sg_elements = 0; 1230106225Semoore ap->ap_data_transfer_address = segs[0].ds_addr; 1231106225Semoore } else { 1232106225Semoore /* save s/g table information in passthrough */ 1233106225Semoore ap->ap_no_sg_elements = nsegments; 1234138422Sscottl ap->ap_data_transfer_address = sc->amr_sgbusaddr + 1235138422Sscottl (ac->ac_slot * AMR_NSEG * sizeof(struct amr_sgentry)); 1236138422Sscottl /* 1237138422Sscottl * populate s/g table (overwrites previous call which mapped the 1238138422Sscottl * passthrough) 1239138422Sscottl */ 1240106225Semoore for (i = 0; i < nsegments; i++, sg++) { 1241105419Semoore sg->sg_addr = segs[i].ds_addr; 1242105419Semoore sg->sg_count = segs[i].ds_len; 1243105419Semoore debug(3, " %d: 0x%x/%d", i, sg->sg_addr, sg->sg_count); 1244106225Semoore } 1245105419Semoore } 1246138422Sscottl debug(3, "slot %d %d segments at 0x%x, passthrough at 0x%x", 1247138422Sscottl ac->ac_slot, ap->ap_no_sg_elements, ap->ap_data_transfer_address, 1248138422Sscottl ac->ac_dataphys); 1249105419Semoore } 1250138422Sscottl if (ac->ac_flags & AMR_CMD_CCB_DATAIN) 1251138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1252138422Sscottl BUS_DMASYNC_PREREAD); 1253138422Sscottl if (ac->ac_flags & AMR_CMD_CCB_DATAOUT) 1254138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1255138422Sscottl BUS_DMASYNC_PREWRITE); 1256138422Sscottl if ((ac->ac_flags & (AMR_CMD_CCB_DATAIN | AMR_CMD_CCB_DATAOUT)) == 0) 1257138422Sscottl panic("no direction for ccb?\n"); 1258138422Sscottl 1259138422Sscottl if (ac->ac_flags & AMR_CMD_DATAIN) 1260138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD); 1261138422Sscottl if (ac->ac_flags & AMR_CMD_DATAOUT) 1262138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREWRITE); 1263138422Sscottl 1264138422Sscottl ac->ac_flags |= AMR_CMD_MAPPED; 1265138422Sscottl 1266138422Sscottl amr_start1(sc, ac); 126751974Smsmith} 126851974Smsmith 1269138422Sscottlstatic int 127051974Smsmithamr_mapcmd(struct amr_command *ac) 127151974Smsmith{ 127251974Smsmith struct amr_softc *sc = ac->ac_sc; 127351974Smsmith 127469319Smsmith debug_called(3); 127551974Smsmith 127665245Smsmith /* if the command involves data at all, and hasn't been mapped */ 1277138422Sscottl if ((ac->ac_flags & AMR_CMD_MAPPED) == 0 && (ac->ac_data != NULL)) { 1278138422Sscottl if (ac->ac_ccb_data == NULL) { 127965245Smsmith /* map the data buffers into bus space and build the s/g list */ 1280138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1281138422Sscottl ac->ac_length, amr_setup_data_dmamap, ac, 0) == EINPROGRESS) { 1282138422Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 1283138422Sscottl } 1284138422Sscottl } else { 1285138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_dmamap, ac->ac_data, 1286138422Sscottl ac->ac_length, amr_setup_dmamap, ac, BUS_DMA_NOWAIT) != 0){ 1287138422Sscottl return (ENOMEM); 1288138422Sscottl } 1289138422Sscottl if (bus_dmamap_load(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1290138422Sscottl ac->ac_ccb_data, ac->ac_ccb_length, amr_setup_ccbmap, ac, 1291138422Sscottl 0) == EINPROGRESS) { 1292138422Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 1293138422Sscottl } 1294143121Sscottl } 1295143121Sscottl } else if ((ac->ac_flags & AMR_CMD_MAPPED) == 0) { 1296143121Sscottl amr_start1(sc, ac); 1297143121Sscottl } 1298143121Sscottl 1299138422Sscottl return (0); 130051974Smsmith} 130151974Smsmith 130251974Smsmithstatic void 130351974Smsmithamr_unmapcmd(struct amr_command *ac) 130451974Smsmith{ 130551974Smsmith struct amr_softc *sc = ac->ac_sc; 130651974Smsmith 130769319Smsmith debug_called(3); 130851974Smsmith 130965245Smsmith /* if the command involved data at all and was mapped */ 131065245Smsmith if (ac->ac_flags & AMR_CMD_MAPPED) { 131151974Smsmith 131265245Smsmith if (ac->ac_data != NULL) { 131365245Smsmith if (ac->ac_flags & AMR_CMD_DATAIN) 1314138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, 1315138422Sscottl BUS_DMASYNC_POSTREAD); 131665245Smsmith if (ac->ac_flags & AMR_CMD_DATAOUT) 1317138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_dmamap, 1318138422Sscottl BUS_DMASYNC_POSTWRITE); 131965245Smsmith bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_dmamap); 132065245Smsmith } 132165245Smsmith 132265245Smsmith if (ac->ac_ccb_data != NULL) { 132365245Smsmith if (ac->ac_flags & AMR_CMD_CCB_DATAIN) 1324138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1325138422Sscottl BUS_DMASYNC_POSTREAD); 132665245Smsmith if (ac->ac_flags & AMR_CMD_CCB_DATAOUT) 1327138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat, ac->ac_ccb_dmamap, 1328138422Sscottl BUS_DMASYNC_POSTWRITE); 132965245Smsmith bus_dmamap_unload(sc->amr_buffer_dmat, ac->ac_ccb_dmamap); 133065245Smsmith } 133165245Smsmith ac->ac_flags &= ~AMR_CMD_MAPPED; 133251974Smsmith } 133351974Smsmith} 133451974Smsmith 1335138422Sscottlstatic void 1336138422Sscottlamr_setup_data_dmamap(void *arg, bus_dma_segment_t *segs, int nsegs, int err) 1337138422Sscottl{ 1338138422Sscottl struct amr_command *ac = arg; 1339138422Sscottl struct amr_softc *sc = ac->ac_sc; 1340138422Sscottl 1341138422Sscottl amr_setup_dmamap(arg, segs, nsegs, err); 1342138422Sscottl 1343138422Sscottl if (ac->ac_flags & AMR_CMD_DATAIN) 1344138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREREAD); 1345138422Sscottl if (ac->ac_flags & AMR_CMD_DATAOUT) 1346138422Sscottl bus_dmamap_sync(sc->amr_buffer_dmat,ac->ac_dmamap,BUS_DMASYNC_PREWRITE); 1347138422Sscottl ac->ac_flags |= AMR_CMD_MAPPED; 1348138422Sscottl 1349138422Sscottl amr_start1(sc, ac); 1350138422Sscottl} 1351138422Sscottl 135251974Smsmith/******************************************************************************** 135365245Smsmith * Take a command and give it to the controller, returns 0 if successful, or 135465245Smsmith * EBUSY if the command should be retried later. 135551974Smsmith */ 135651974Smsmithstatic int 135751974Smsmithamr_start(struct amr_command *ac) 135851974Smsmith{ 1359138422Sscottl struct amr_softc *sc; 1360138422Sscottl int error = 0; 1361105419Semoore 136269319Smsmith debug_called(3); 136351974Smsmith 136465245Smsmith /* mark command as busy so that polling consumer can tell */ 1365138422Sscottl sc = ac->ac_sc; 136665245Smsmith ac->ac_flags |= AMR_CMD_BUSY; 136765245Smsmith 136865245Smsmith /* get a command slot (freed in amr_done) */ 1369140340Sscottl if (amr_getslot(ac)) { 137065245Smsmith return(EBUSY); 1371140340Sscottl } 137265245Smsmith 1373138422Sscottl /* Now we have a slot, we can map the command (unmapped in amr_complete). */ 1374138422Sscottl if ((error = amr_mapcmd(ac)) == ENOMEM) { 1375138422Sscottl /* 1376138422Sscottl * Memroy resources are short, so free the slot and let this be tried 1377138422Sscottl * later. 1378138422Sscottl */ 1379138422Sscottl sc->amr_busycmd[ac->ac_slot] = NULL; 1380138422Sscottl sc->amr_busyslots--; 1381138422Sscottl } 138265245Smsmith 1383138422Sscottl return (error); 1384138422Sscottl} 1385138422Sscottl 1386138422Sscottl 1387138422Sscottlstatic int 1388138422Sscottlamr_start1(struct amr_softc *sc, struct amr_command *ac) 1389138422Sscottl{ 1390152119Sscottl int done, i; 1391138422Sscottl 139265245Smsmith /* mark the new mailbox we are going to copy in as busy */ 139365245Smsmith ac->ac_mailbox.mb_busy = 1; 139465245Smsmith 139565245Smsmith /* clear the poll/ack fields in the mailbox */ 139665245Smsmith sc->amr_mailbox->mb_poll = 0; 139765245Smsmith sc->amr_mailbox->mb_ack = 0; 139865245Smsmith 139951974Smsmith /* 140051974Smsmith * Save the slot number so that we can locate this command when complete. 140151974Smsmith * Note that ident = 0 seems to be special, so we don't use it. 140251974Smsmith */ 140351974Smsmith ac->ac_mailbox.mb_ident = ac->ac_slot + 1; 140451974Smsmith 140558883Smsmith /* 140665245Smsmith * Spin waiting for the mailbox, give up after ~1 second. We expect the 140765245Smsmith * controller to be able to handle our I/O. 140865245Smsmith * 140965245Smsmith * XXX perhaps we should wait for less time, and count on the deferred command 141065245Smsmith * handling to deal with retries? 141158883Smsmith */ 141269319Smsmith debug(4, "wait for mailbox"); 141358883Smsmith for (i = 10000, done = 0; (i > 0) && !done; i--) { 141451974Smsmith 141551974Smsmith /* is the mailbox free? */ 141651974Smsmith if (sc->amr_mailbox->mb_busy == 0) { 141769319Smsmith debug(4, "got mailbox"); 141851974Smsmith sc->amr_mailbox64->mb64_segment = 0; 141965245Smsmith bcopy(&ac->ac_mailbox, (void *)(uintptr_t)(volatile void *)sc->amr_mailbox, AMR_MBOX_CMDSIZE); 142051974Smsmith done = 1; 142151974Smsmith 142265245Smsmith /* not free, spin waiting */ 142351974Smsmith } else { 142469319Smsmith debug(4, "busy flag %x\n", sc->amr_mailbox->mb_busy); 142558883Smsmith /* this is somewhat ugly */ 142658883Smsmith DELAY(100); 142751974Smsmith } 142851974Smsmith } 142965245Smsmith 143065245Smsmith /* 143165245Smsmith * Now give the command to the controller 143265245Smsmith */ 143351974Smsmith if (done) { 143465245Smsmith if (sc->amr_submit_command(sc)) { 143565245Smsmith /* the controller wasn't ready to take the command, forget that we tried to post it */ 143665245Smsmith sc->amr_mailbox->mb_busy = 0; 143765245Smsmith return(EBUSY); 143865245Smsmith } 143969319Smsmith debug(3, "posted command"); 144051974Smsmith return(0); 144151974Smsmith } 144251974Smsmith 144351974Smsmith /* 144465245Smsmith * The controller wouldn't take the command. Return the command as busy 144565245Smsmith * so that it is retried later. 144651974Smsmith */ 144765245Smsmith return(EBUSY); 144851974Smsmith} 144951974Smsmith 145051974Smsmith/******************************************************************************** 145151974Smsmith * Extract one or more completed commands from the controller (sc) 145251974Smsmith * 145352543Smsmith * Returns nonzero if any commands on the work queue were marked as completed. 145451974Smsmith */ 1455140340Sscottl 145665245Smsmithint 145751974Smsmithamr_done(struct amr_softc *sc) 145851974Smsmith{ 145951974Smsmith struct amr_command *ac; 146051974Smsmith struct amr_mailbox mbox; 146165245Smsmith int i, idx, result; 146251974Smsmith 146369319Smsmith debug_called(3); 146451974Smsmith 146551974Smsmith /* See if there's anything for us to do */ 146651974Smsmith result = 0; 146751974Smsmith 146858883Smsmith /* loop collecting completed commands */ 146958883Smsmith for (;;) { 147058883Smsmith /* poll for a completed command's identifier and status */ 147158883Smsmith if (sc->amr_get_work(sc, &mbox)) { 147258883Smsmith result = 1; 147358883Smsmith 147458883Smsmith /* iterate over completed commands in this result */ 147558883Smsmith for (i = 0; i < mbox.mb_nstatus; i++) { 147658883Smsmith /* get pointer to busy command */ 147758883Smsmith idx = mbox.mb_completed[i] - 1; 147858883Smsmith ac = sc->amr_busycmd[idx]; 147951974Smsmith 148058883Smsmith /* really a busy command? */ 148158883Smsmith if (ac != NULL) { 148258883Smsmith 148358883Smsmith /* pull the command from the busy index */ 148458883Smsmith sc->amr_busycmd[idx] = NULL; 148565245Smsmith sc->amr_busyslots--; 148651974Smsmith 148765245Smsmith /* save status for later use */ 148865245Smsmith ac->ac_status = mbox.mb_status; 148965245Smsmith amr_enqueue_completed(ac); 149065245Smsmith debug(3, "completed command with status %x", mbox.mb_status); 149165245Smsmith } else { 149265245Smsmith device_printf(sc->amr_dev, "bad slot %d completed\n", idx); 149351974Smsmith } 149451974Smsmith } 149558883Smsmith } else { 149665245Smsmith break; /* no work */ 149751974Smsmith } 149851974Smsmith } 1499138422Sscottl 150058883Smsmith /* handle completion and timeouts */ 1501140340Sscottl amr_complete(sc, 0); 1502138422Sscottl 150351974Smsmith return(result); 150451974Smsmith} 150551974Smsmith 150651974Smsmith/******************************************************************************** 150751974Smsmith * Do completion processing on done commands on (sc) 150851974Smsmith */ 1509140340Sscottl 151051974Smsmithstatic void 151165245Smsmithamr_complete(void *context, int pending) 151251974Smsmith{ 151365245Smsmith struct amr_softc *sc = (struct amr_softc *)context; 151465245Smsmith struct amr_command *ac; 151551974Smsmith 151669319Smsmith debug_called(3); 151751974Smsmith 151865245Smsmith /* pull completed commands off the queue */ 151965245Smsmith for (;;) { 152065245Smsmith ac = amr_dequeue_completed(sc); 152165245Smsmith if (ac == NULL) 152265245Smsmith break; 152358883Smsmith 152465245Smsmith /* unmap the command's data buffer */ 152565245Smsmith amr_unmapcmd(ac); 152651974Smsmith 152765245Smsmith /* unbusy the command */ 152865245Smsmith ac->ac_flags &= ~AMR_CMD_BUSY; 152951974Smsmith 153065245Smsmith /* 153165245Smsmith * Is there a completion handler? 153265245Smsmith */ 153365245Smsmith if (ac->ac_complete != NULL) { 153465245Smsmith ac->ac_complete(ac); 153565245Smsmith 153651974Smsmith /* 153765245Smsmith * Is someone sleeping on this one? 153851974Smsmith */ 153965245Smsmith } else if (ac->ac_flags & AMR_CMD_SLEEP) { 154065245Smsmith wakeup(ac); 154151974Smsmith } 1542109031Semoore 1543109031Semoore if(!sc->amr_busyslots) { 1544109031Semoore wakeup(sc); 1545109031Semoore } 154651974Smsmith } 1547140340Sscottl 1548140340Sscottl sc->amr_state &= ~AMR_STATE_QUEUE_FRZN; 1549140340Sscottl amr_startio(sc); 155051974Smsmith} 155151974Smsmith 155251974Smsmith/******************************************************************************** 155351974Smsmith ******************************************************************************** 155451974Smsmith Command Buffer Management 155551974Smsmith ******************************************************************************** 155651974Smsmith ********************************************************************************/ 155751974Smsmith 155851974Smsmith/******************************************************************************** 155951974Smsmith * Get a new command buffer. 156051974Smsmith * 156151974Smsmith * This may return NULL in low-memory cases. 156251974Smsmith * 156351974Smsmith * If possible, we recycle a command buffer that's been used before. 156451974Smsmith */ 156565245Smsmithstruct amr_command * 156651974Smsmithamr_alloccmd(struct amr_softc *sc) 156751974Smsmith{ 156851974Smsmith struct amr_command *ac; 156951974Smsmith 157065245Smsmith debug_called(3); 157151974Smsmith 157265245Smsmith ac = amr_dequeue_free(sc); 157351974Smsmith if (ac == NULL) { 157465245Smsmith amr_alloccmd_cluster(sc); 157565245Smsmith ac = amr_dequeue_free(sc); 157651974Smsmith } 1577140340Sscottl if (ac == NULL) { 1578140340Sscottl sc->amr_state |= AMR_STATE_QUEUE_FRZN; 157965245Smsmith return(NULL); 1580140340Sscottl } 158165245Smsmith 158265245Smsmith /* clear out significant fields */ 158365245Smsmith ac->ac_status = 0; 158451974Smsmith bzero(&ac->ac_mailbox, sizeof(struct amr_mailbox)); 158565245Smsmith ac->ac_flags = 0; 158665245Smsmith ac->ac_bio = NULL; 158765245Smsmith ac->ac_data = NULL; 158865245Smsmith ac->ac_ccb_data = NULL; 158965245Smsmith ac->ac_complete = NULL; 159051974Smsmith return(ac); 159151974Smsmith} 159251974Smsmith 159351974Smsmith/******************************************************************************** 159451974Smsmith * Release a command buffer for recycling. 159551974Smsmith */ 159665245Smsmithvoid 159751974Smsmithamr_releasecmd(struct amr_command *ac) 159851974Smsmith{ 159965245Smsmith debug_called(3); 160051974Smsmith 160165245Smsmith amr_enqueue_free(ac); 160251974Smsmith} 160351974Smsmith 160451974Smsmith/******************************************************************************** 160565245Smsmith * Allocate a new command cluster and initialise it. 160651974Smsmith */ 1607104094Sphkstatic void 160865245Smsmithamr_alloccmd_cluster(struct amr_softc *sc) 160951974Smsmith{ 161065245Smsmith struct amr_command_cluster *acc; 161165245Smsmith struct amr_command *ac; 1612152119Sscottl int i, nextslot; 161351974Smsmith 1614140340Sscottl if (sc->amr_nextslot > sc->amr_maxio) 1615140340Sscottl return; 1616140340Sscottl acc = malloc(AMR_CMD_CLUSTERSIZE, M_DEVBUF, M_NOWAIT | M_ZERO); 161765245Smsmith if (acc != NULL) { 1618140340Sscottl nextslot = sc->amr_nextslot; 161965245Smsmith TAILQ_INSERT_TAIL(&sc->amr_cmd_clusters, acc, acc_link); 162065245Smsmith for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) { 162165245Smsmith ac = &acc->acc_command[i]; 162265245Smsmith ac->ac_sc = sc; 1623140340Sscottl ac->ac_slot = nextslot; 162465245Smsmith if (!bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_dmamap) && 162565245Smsmith !bus_dmamap_create(sc->amr_buffer_dmat, 0, &ac->ac_ccb_dmamap)) 162665245Smsmith amr_releasecmd(ac); 1627140340Sscottl if (++nextslot > sc->amr_maxio) 1628140340Sscottl break; 162965245Smsmith } 1630140340Sscottl sc->amr_nextslot = nextslot; 163165245Smsmith } 163251974Smsmith} 163351974Smsmith 163451974Smsmith/******************************************************************************** 163565245Smsmith * Free a command cluster 163665245Smsmith */ 1637104094Sphkstatic void 163865245Smsmithamr_freecmd_cluster(struct amr_command_cluster *acc) 163965245Smsmith{ 164065245Smsmith struct amr_softc *sc = acc->acc_command[0].ac_sc; 164165245Smsmith int i; 164265245Smsmith 164365245Smsmith for (i = 0; i < AMR_CMD_CLUSTERCOUNT; i++) 164465245Smsmith bus_dmamap_destroy(sc->amr_buffer_dmat, acc->acc_command[i].ac_dmamap); 164565245Smsmith free(acc, M_DEVBUF); 164665245Smsmith} 164765245Smsmith 164865245Smsmith/******************************************************************************** 164951974Smsmith ******************************************************************************** 165051974Smsmith Interface-specific Shims 165151974Smsmith ******************************************************************************** 165251974Smsmith ********************************************************************************/ 165351974Smsmith 165451974Smsmith/******************************************************************************** 165551974Smsmith * Tell the controller that the mailbox contains a valid command 165651974Smsmith */ 165765245Smsmithstatic int 165851974Smsmithamr_quartz_submit_command(struct amr_softc *sc) 165951974Smsmith{ 166065245Smsmith debug_called(3); 166151974Smsmith 166265245Smsmith if (AMR_QGET_IDB(sc) & AMR_QIDB_SUBMIT) 166365245Smsmith return(EBUSY); 166451974Smsmith AMR_QPUT_IDB(sc, sc->amr_mailboxphys | AMR_QIDB_SUBMIT); 166565245Smsmith return(0); 166651974Smsmith} 166751974Smsmith 166865245Smsmithstatic int 166951974Smsmithamr_std_submit_command(struct amr_softc *sc) 167051974Smsmith{ 167165245Smsmith debug_called(3); 167251974Smsmith 167365245Smsmith if (AMR_SGET_MBSTAT(sc) & AMR_SMBOX_BUSYFLAG) 167465245Smsmith return(EBUSY); 167551974Smsmith AMR_SPOST_COMMAND(sc); 167665245Smsmith return(0); 167751974Smsmith} 167851974Smsmith 167951974Smsmith/******************************************************************************** 168051974Smsmith * Claim any work that the controller has completed; acknowledge completion, 168151974Smsmith * save details of the completion in (mbsave) 168251974Smsmith */ 168351974Smsmithstatic int 168451974Smsmithamr_quartz_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 168551974Smsmith{ 1686152119Sscottl int worked; 168751974Smsmith u_int32_t outd; 1688140340Sscottl u_int8_t nstatus; 168951974Smsmith 169065245Smsmith debug_called(3); 169165245Smsmith 169251974Smsmith worked = 0; 169351974Smsmith 169451974Smsmith /* work waiting for us? */ 169551974Smsmith if ((outd = AMR_QGET_ODB(sc)) == AMR_QODB_READY) { 169651974Smsmith 1697140340Sscottl /* acknowledge interrupt */ 1698140340Sscottl AMR_QPUT_ODB(sc, AMR_QODB_READY); 1699140340Sscottl 1700140340Sscottl while ((nstatus = sc->amr_mailbox->mb_nstatus) == 0xff) 1701140340Sscottl ; 1702140340Sscottl sc->amr_mailbox->mb_nstatus = 0xff; 1703140340Sscottl 170451974Smsmith /* save mailbox, which contains a list of completed commands */ 170565245Smsmith bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave)); 1706140340Sscottl mbsave->mb_nstatus = nstatus; 170751974Smsmith 170851974Smsmith /* acknowledge that we have the commands */ 1709140340Sscottl AMR_QPUT_IDB(sc, AMR_QIDB_ACK); 171065245Smsmith 171165763Smsmith#ifndef AMR_QUARTZ_GOFASTER 171265245Smsmith /* 171365245Smsmith * This waits for the controller to notice that we've taken the 171465245Smsmith * command from it. It's very inefficient, and we shouldn't do it, 171565245Smsmith * but if we remove this code, we stop completing commands under 171665245Smsmith * load. 171765245Smsmith * 171865245Smsmith * Peter J says we shouldn't do this. The documentation says we 171965245Smsmith * should. Who is right? 172065245Smsmith */ 172151974Smsmith while(AMR_QGET_IDB(sc) & AMR_QIDB_ACK) 172251974Smsmith ; /* XXX aiee! what if it dies? */ 172365245Smsmith#endif 172465245Smsmith 172551974Smsmith worked = 1; /* got some work */ 172651974Smsmith } 172751974Smsmith 172851974Smsmith return(worked); 172951974Smsmith} 173051974Smsmith 173151974Smsmithstatic int 173251974Smsmithamr_std_get_work(struct amr_softc *sc, struct amr_mailbox *mbsave) 173351974Smsmith{ 1734152119Sscottl int worked; 173551974Smsmith u_int8_t istat; 173651974Smsmith 173765245Smsmith debug_called(3); 173851974Smsmith 173951974Smsmith worked = 0; 174051974Smsmith 174151974Smsmith /* check for valid interrupt status */ 174251974Smsmith istat = AMR_SGET_ISTAT(sc); 174351974Smsmith if ((istat & AMR_SINTR_VALID) != 0) { 174451974Smsmith AMR_SPUT_ISTAT(sc, istat); /* ack interrupt status */ 174551974Smsmith 174651974Smsmith /* save mailbox, which contains a list of completed commands */ 174765245Smsmith bcopy((void *)(uintptr_t)(volatile void *)sc->amr_mailbox, mbsave, sizeof(*mbsave)); 174851974Smsmith 174951974Smsmith AMR_SACK_INTERRUPT(sc); /* acknowledge we have the mailbox */ 175051974Smsmith worked = 1; 175151974Smsmith } 175251974Smsmith 175351974Smsmith return(worked); 175451974Smsmith} 175551974Smsmith 175651974Smsmith/******************************************************************************** 175751974Smsmith * Notify the controller of the mailbox location. 175851974Smsmith */ 175951974Smsmithstatic void 176051974Smsmithamr_std_attach_mailbox(struct amr_softc *sc) 176151974Smsmith{ 176251974Smsmith 176351974Smsmith /* program the mailbox physical address */ 176451974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_0, sc->amr_mailboxphys & 0xff); 176551974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_1, (sc->amr_mailboxphys >> 8) & 0xff); 176651974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_2, (sc->amr_mailboxphys >> 16) & 0xff); 176751974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_3, (sc->amr_mailboxphys >> 24) & 0xff); 176851974Smsmith AMR_SBYTE_SET(sc, AMR_SMBOX_ENABLE, AMR_SMBOX_ADDR); 176951974Smsmith 177051974Smsmith /* clear any outstanding interrupt and enable interrupts proper */ 177151974Smsmith AMR_SACK_INTERRUPT(sc); 177251974Smsmith AMR_SENABLE_INTR(sc); 177351974Smsmith} 177451974Smsmith 177565245Smsmith#ifdef AMR_BOARD_INIT 177651974Smsmith/******************************************************************************** 177765245Smsmith * Initialise the controller 177865245Smsmith */ 177965245Smsmithstatic int 178065245Smsmithamr_quartz_init(struct amr_softc *sc) 178165245Smsmith{ 178265245Smsmith int status, ostatus; 178365245Smsmith 178465245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_QGET_INITSTATUS(sc)); 178565245Smsmith 178665245Smsmith AMR_QRESET(sc); 178765245Smsmith 178865245Smsmith ostatus = 0xff; 178965245Smsmith while ((status = AMR_QGET_INITSTATUS(sc)) != AMR_QINIT_DONE) { 179065245Smsmith if (status != ostatus) { 179165245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_qinit, status)); 179265245Smsmith ostatus = status; 179365245Smsmith } 179465245Smsmith switch (status) { 179565245Smsmith case AMR_QINIT_NOMEM: 179665245Smsmith return(ENOMEM); 179765245Smsmith 179865245Smsmith case AMR_QINIT_SCAN: 179965245Smsmith /* XXX we could print channel/target here */ 180065245Smsmith break; 180165245Smsmith } 180265245Smsmith } 180365245Smsmith return(0); 180465245Smsmith} 180565245Smsmith 180665245Smsmithstatic int 180765245Smsmithamr_std_init(struct amr_softc *sc) 180865245Smsmith{ 180965245Smsmith int status, ostatus; 181065245Smsmith 181165245Smsmith device_printf(sc->amr_dev, "initial init status %x\n", AMR_SGET_INITSTATUS(sc)); 181265245Smsmith 181365245Smsmith AMR_SRESET(sc); 181465245Smsmith 181565245Smsmith ostatus = 0xff; 181665245Smsmith while ((status = AMR_SGET_INITSTATUS(sc)) != AMR_SINIT_DONE) { 181765245Smsmith if (status != ostatus) { 181865245Smsmith device_printf(sc->amr_dev, "(%x) %s\n", status, amr_describe_code(amr_table_sinit, status)); 181965245Smsmith ostatus = status; 182065245Smsmith } 182165245Smsmith switch (status) { 182265245Smsmith case AMR_SINIT_NOMEM: 182365245Smsmith return(ENOMEM); 182465245Smsmith 182565245Smsmith case AMR_SINIT_INPROG: 182665245Smsmith /* XXX we could print channel/target here? */ 182765245Smsmith break; 182865245Smsmith } 182965245Smsmith } 183065245Smsmith return(0); 183165245Smsmith} 183265245Smsmith#endif 183365245Smsmith 183465245Smsmith/******************************************************************************** 183551974Smsmith ******************************************************************************** 183651974Smsmith Debugging 183751974Smsmith ******************************************************************************** 183851974Smsmith ********************************************************************************/ 183951974Smsmith 184051974Smsmith/******************************************************************************** 184165245Smsmith * Identify the controller and print some information about it. 184265245Smsmith */ 184365245Smsmithstatic void 184465245Smsmithamr_describe_controller(struct amr_softc *sc) 184565245Smsmith{ 184665245Smsmith struct amr_prodinfo *ap; 184765245Smsmith struct amr_enquiry *ae; 184865245Smsmith char *prod; 184965245Smsmith 1850140340Sscottl mtx_lock(&sc->amr_io_lock); 185165245Smsmith /* 185265245Smsmith * Try to get 40LD product info, which tells us what the card is labelled as. 185365245Smsmith */ 185465245Smsmith if ((ap = amr_enquiry(sc, 2048, AMR_CMD_CONFIG, AMR_CONFIG_PRODUCT_INFO, 0)) != NULL) { 1855105419Semoore device_printf(sc->amr_dev, "<LSILogic %.80s> Firmware %.16s, BIOS %.16s, %dMB RAM\n", 185665245Smsmith ap->ap_product, ap->ap_firmware, ap->ap_bios, 185765245Smsmith ap->ap_memsize); 185865245Smsmith 185965245Smsmith free(ap, M_DEVBUF); 1860140340Sscottl mtx_unlock(&sc->amr_io_lock); 186165245Smsmith return; 186265245Smsmith } 186365245Smsmith 186465245Smsmith /* 186565245Smsmith * Try 8LD extended ENQUIRY to get controller signature, and use lookup table. 186665245Smsmith */ 186765245Smsmith if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_EXT_ENQUIRY2, 0, 0)) != NULL) { 186865245Smsmith prod = amr_describe_code(amr_table_adaptertype, ae->ae_signature); 186965245Smsmith 187065245Smsmith } else if ((ae = (struct amr_enquiry *)amr_enquiry(sc, 2048, AMR_CMD_ENQUIRY, 0, 0)) != NULL) { 187165245Smsmith 187265245Smsmith /* 187365245Smsmith * Try to work it out based on the PCI signatures. 187465245Smsmith */ 187565245Smsmith switch (pci_get_device(sc->amr_dev)) { 187665245Smsmith case 0x9010: 187765245Smsmith prod = "Series 428"; 187865245Smsmith break; 187965245Smsmith case 0x9060: 188065245Smsmith prod = "Series 434"; 188165245Smsmith break; 188265245Smsmith default: 188365245Smsmith prod = "unknown controller"; 188465245Smsmith break; 188565245Smsmith } 188665245Smsmith } else { 1887144369Ssam device_printf(sc->amr_dev, "<unsupported controller>\n"); 1888144369Ssam mtx_unlock(&sc->amr_io_lock); 1889144369Ssam return; 189065245Smsmith } 189174936Shm 189274936Shm /* 189374936Shm * HP NetRaid controllers have a special encoding of the firmware and 189474936Shm * BIOS versions. The AMI version seems to have it as strings whereas 189574936Shm * the HP version does it with a leading uppercase character and two 189674936Shm * binary numbers. 189774936Shm */ 189874936Shm 189974936Shm if(ae->ae_adapter.aa_firmware[2] >= 'A' && 190074936Shm ae->ae_adapter.aa_firmware[2] <= 'Z' && 190174936Shm ae->ae_adapter.aa_firmware[1] < ' ' && 190274936Shm ae->ae_adapter.aa_firmware[0] < ' ' && 190374936Shm ae->ae_adapter.aa_bios[2] >= 'A' && 190474936Shm ae->ae_adapter.aa_bios[2] <= 'Z' && 190574936Shm ae->ae_adapter.aa_bios[1] < ' ' && 190674936Shm ae->ae_adapter.aa_bios[0] < ' ') { 190774936Shm 190874936Shm /* this looks like we have an HP NetRaid version of the MegaRaid */ 190974936Shm 191074936Shm if(ae->ae_signature == AMR_SIG_438) { 1911108470Sschweikh /* the AMI 438 is a NetRaid 3si in HP-land */ 191274936Shm prod = "HP NetRaid 3si"; 191374936Shm } 191474936Shm 191574936Shm device_printf(sc->amr_dev, "<%s> Firmware %c.%02d.%02d, BIOS %c.%02d.%02d, %dMB RAM\n", 191674936Shm prod, ae->ae_adapter.aa_firmware[2], 191774936Shm ae->ae_adapter.aa_firmware[1], 191874936Shm ae->ae_adapter.aa_firmware[0], 191974936Shm ae->ae_adapter.aa_bios[2], 192074936Shm ae->ae_adapter.aa_bios[1], 192174936Shm ae->ae_adapter.aa_bios[0], 192274936Shm ae->ae_adapter.aa_memorysize); 192374936Shm } else { 192474936Shm device_printf(sc->amr_dev, "<%s> Firmware %.4s, BIOS %.4s, %dMB RAM\n", 192574936Shm prod, ae->ae_adapter.aa_firmware, ae->ae_adapter.aa_bios, 192674936Shm ae->ae_adapter.aa_memorysize); 192774936Shm } 192865245Smsmith free(ae, M_DEVBUF); 1929140340Sscottl mtx_unlock(&sc->amr_io_lock); 193065245Smsmith} 193165245Smsmith 1932120988Spsint 1933120988Spsamr_dump_blocks(struct amr_softc *sc, int unit, u_int32_t lba, void *data, int blks) 1934120988Sps{ 1935120988Sps struct amr_command *ac; 1936120988Sps int error = EIO; 1937120988Sps 1938120988Sps debug_called(1); 1939120988Sps 1940140688Sscottl sc->amr_state |= AMR_STATE_INTEN; 1941120988Sps 1942120988Sps /* get ourselves a command buffer */ 1943120988Sps if ((ac = amr_alloccmd(sc)) == NULL) 1944120988Sps goto out; 1945120988Sps /* set command flags */ 1946120988Sps ac->ac_flags |= AMR_CMD_PRIORITY | AMR_CMD_DATAOUT; 1947120988Sps 1948120988Sps /* point the command at our data */ 1949120988Sps ac->ac_data = data; 1950120988Sps ac->ac_length = blks * AMR_BLKSIZE; 1951120988Sps 1952120988Sps /* build the command proper */ 1953120988Sps ac->ac_mailbox.mb_command = AMR_CMD_LWRITE; 1954120988Sps ac->ac_mailbox.mb_blkcount = blks; 1955120988Sps ac->ac_mailbox.mb_lba = lba; 1956120988Sps ac->ac_mailbox.mb_drive = unit; 1957120988Sps 1958120988Sps /* can't assume that interrupts are going to work here, so play it safe */ 1959120988Sps if (sc->amr_poll_command(ac)) 1960120988Sps goto out; 1961120988Sps error = ac->ac_status; 1962120988Sps 1963120988Sps out: 1964120988Sps if (ac != NULL) 1965120988Sps amr_releasecmd(ac); 1966120988Sps 1967140688Sscottl sc->amr_state &= ~AMR_STATE_INTEN; 1968120988Sps return (error); 1969120988Sps} 1970120988Sps 1971120988Sps 1972120988Sps 197365245Smsmith#ifdef AMR_DEBUG 197465245Smsmith/******************************************************************************** 197551974Smsmith * Print the command (ac) in human-readable format 197651974Smsmith */ 1977107756Semoore#if 0 197851974Smsmithstatic void 197951974Smsmithamr_printcommand(struct amr_command *ac) 198051974Smsmith{ 198151974Smsmith struct amr_softc *sc = ac->ac_sc; 198251974Smsmith struct amr_sgentry *sg; 198351974Smsmith int i; 198451974Smsmith 198551974Smsmith device_printf(sc->amr_dev, "cmd %x ident %d drive %d\n", 198651974Smsmith ac->ac_mailbox.mb_command, ac->ac_mailbox.mb_ident, ac->ac_mailbox.mb_drive); 198751974Smsmith device_printf(sc->amr_dev, "blkcount %d lba %d\n", 198851974Smsmith ac->ac_mailbox.mb_blkcount, ac->ac_mailbox.mb_lba); 198954512Speter device_printf(sc->amr_dev, "virtaddr %p length %lu\n", ac->ac_data, (unsigned long)ac->ac_length); 199058883Smsmith device_printf(sc->amr_dev, "sg physaddr %08x nsg %d\n", 199151974Smsmith ac->ac_mailbox.mb_physaddr, ac->ac_mailbox.mb_nsgelem); 199265245Smsmith device_printf(sc->amr_dev, "ccb %p bio %p\n", ac->ac_ccb_data, ac->ac_bio); 199351974Smsmith 199451974Smsmith /* get base address of s/g table */ 199551974Smsmith sg = sc->amr_sgtable + (ac->ac_slot * AMR_NSEG); 199651974Smsmith for (i = 0; i < ac->ac_mailbox.mb_nsgelem; i++, sg++) 199751974Smsmith device_printf(sc->amr_dev, " %x/%d\n", sg->sg_addr, sg->sg_count); 199851974Smsmith} 199965245Smsmith#endif 2000107756Semoore#endif 2001