148156Sjlemon/*- 257828Sjlemon * Copyright (c) 1999,2000 Jonathan Lemon 348156Sjlemon * All rights reserved. 448156Sjlemon * 548156Sjlemon * Redistribution and use in source and binary forms, with or without 648156Sjlemon * modification, are permitted provided that the following conditions 748156Sjlemon * are met: 848156Sjlemon * 1. Redistributions of source code must retain the above copyright 948156Sjlemon * notice, this list of conditions and the following disclaimer. 1048156Sjlemon * 2. Redistributions in binary form must reproduce the above copyright 1148156Sjlemon * notice, this list of conditions and the following disclaimer in the 1248156Sjlemon * documentation and/or other materials provided with the distribution. 1348156Sjlemon * 1448156Sjlemon * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1548156Sjlemon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1648156Sjlemon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1748156Sjlemon * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1848156Sjlemon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1948156Sjlemon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2048156Sjlemon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2148156Sjlemon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2248156Sjlemon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2348156Sjlemon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2448156Sjlemon * SUCH DAMAGE. 2548156Sjlemon * 2650477Speter * $FreeBSD$ 2748156Sjlemon */ 2848156Sjlemon 2948156Sjlemon/* 3048156Sjlemon * Disk driver for Compaq SMART RAID adapters. 3148156Sjlemon */ 3248156Sjlemon 3348156Sjlemon#include <sys/param.h> 3448156Sjlemon#include <sys/systm.h> 3548156Sjlemon#include <sys/kernel.h> 36129879Sphk#include <sys/module.h> 3748156Sjlemon 3860041Sphk#include <sys/bio.h> 3948156Sjlemon#include <sys/bus.h> 4048156Sjlemon#include <sys/conf.h> 4173113Sjlemon#include <sys/cons.h> 4248156Sjlemon 4348156Sjlemon#include <machine/bus.h> 4448156Sjlemon#include <sys/rman.h> 4548156Sjlemon 4673113Sjlemon#include <vm/vm.h> 4773113Sjlemon#include <vm/pmap.h> 4873113Sjlemon#include <machine/md_var.h> 4973113Sjlemon 50112946Sphk#include <geom/geom_disk.h> 51112946Sphk 5248156Sjlemon#include <dev/ida/idareg.h> 5348156Sjlemon#include <dev/ida/idavar.h> 5448156Sjlemon 5548156Sjlemon/* prototypes */ 5659485Smdoddstatic int idad_probe(device_t dev); 5759485Smdoddstatic int idad_attach(device_t dev); 5859485Smdoddstatic int idad_detach(device_t dev); 5948156Sjlemon 6059485Smdoddstatic d_strategy_t idad_strategy; 61111220Sphkstatic dumper_t idad_dump; 6248156Sjlemon 6359485Smdoddstatic devclass_t idad_devclass; 6448156Sjlemon 6559485Smdoddstatic device_method_t idad_methods[] = { 6659485Smdodd DEVMETHOD(device_probe, idad_probe), 6759485Smdodd DEVMETHOD(device_attach, idad_attach), 6859485Smdodd DEVMETHOD(device_detach, idad_detach), 6948156Sjlemon { 0, 0 } 7048156Sjlemon}; 7148156Sjlemon 7259485Smdoddstatic driver_t idad_driver = { 7357828Sjlemon "idad", 7459485Smdodd idad_methods, 7559485Smdodd sizeof(struct idad_softc) 7648156Sjlemon}; 7748156Sjlemon 7859485SmdoddDRIVER_MODULE(idad, ida, idad_driver, idad_devclass, 0, 0); 7959485Smdodd 8048156Sjlemon/* 8148156Sjlemon * Read/write routine for a buffer. Finds the proper unit, range checks 8248156Sjlemon * arguments, and schedules the transfer. Does not wait for the transfer 8348156Sjlemon * to complete. Multi-page transfers are supported. All I/O requests must 8448156Sjlemon * be a multiple of a sector in length. 8548156Sjlemon */ 8648156Sjlemonstatic void 8759485Smdoddidad_strategy(struct bio *bp) 8848156Sjlemon{ 8959485Smdodd struct idad_softc *drv; 9048156Sjlemon int s; 9148156Sjlemon 92111337Sphk drv = bp->bio_disk->d_drv1; 9348156Sjlemon if (drv == NULL) { 9459249Sphk bp->bio_error = EINVAL; 9548156Sjlemon goto bad; 9648156Sjlemon } 9748156Sjlemon 9848156Sjlemon /* 9948156Sjlemon * software write protect check 10048156Sjlemon */ 10159249Sphk if (drv->flags & DRV_WRITEPROT && (bp->bio_cmd == BIO_WRITE)) { 10259249Sphk bp->bio_error = EROFS; 10348156Sjlemon goto bad; 10448156Sjlemon } 10548156Sjlemon 106118678Smdodd bp->bio_driver1 = drv; 10748156Sjlemon s = splbio(); 10848156Sjlemon ida_submit_buf(drv->controller, bp); 10948156Sjlemon splx(s); 11048156Sjlemon return; 11148156Sjlemon 11248156Sjlemonbad: 11359249Sphk bp->bio_flags |= BIO_ERROR; 11448156Sjlemon 11548156Sjlemon /* 11648156Sjlemon * Correctly set the buf to indicate a completed transfer 11748156Sjlemon */ 11859249Sphk bp->bio_resid = bp->bio_bcount; 11948156Sjlemon biodone(bp); 12048156Sjlemon return; 12148156Sjlemon} 12248156Sjlemon 12373113Sjlemonstatic int 124111220Sphkidad_dump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length) 12573113Sjlemon{ 12693496Sphk 12773113Sjlemon struct idad_softc *drv; 128110483Sps int error = 0; 129111220Sphk struct disk *dp; 13073113Sjlemon 131111220Sphk dp = arg; 132111337Sphk drv = dp->d_drv1; 13373113Sjlemon if (drv == NULL) 13473113Sjlemon return (ENXIO); 13573113Sjlemon 136110483Sps drv->controller->flags &= ~IDA_INTERRUPTS; 13773113Sjlemon 138110483Sps if (length > 0) { 139110483Sps error = ida_command(drv->controller, CMD_WRITE, virtual, 140110483Sps length, drv->drive, offset / DEV_BSIZE, DMA_DATA_OUT); 14173113Sjlemon } 142110483Sps drv->controller->flags |= IDA_INTERRUPTS; 143110483Sps return (error); 14473113Sjlemon} 14573113Sjlemon 14648156Sjlemonvoid 14759485Smdoddidad_intr(struct bio *bp) 14848156Sjlemon{ 149111337Sphk struct idad_softc *drv; 15048156Sjlemon 151111337Sphk drv = bp->bio_disk->d_drv1; 152111337Sphk 15359249Sphk if (bp->bio_flags & BIO_ERROR) 15459249Sphk bp->bio_error = EIO; 15548156Sjlemon else 15659249Sphk bp->bio_resid = 0; 15748156Sjlemon 158111979Sphk biodone(bp); 15948156Sjlemon} 16048156Sjlemon 16148156Sjlemonstatic int 16259485Smdoddidad_probe(device_t dev) 16348156Sjlemon{ 16448156Sjlemon 16548156Sjlemon device_set_desc(dev, "Compaq Logical Drive"); 16648156Sjlemon return (0); 16748156Sjlemon} 16848156Sjlemon 16948156Sjlemonstatic int 17059485Smdoddidad_attach(device_t dev) 17148156Sjlemon{ 17248156Sjlemon struct ida_drive_info dinfo; 17359485Smdodd struct idad_softc *drv; 17448156Sjlemon device_t parent; 17548156Sjlemon int error; 17648156Sjlemon 17759485Smdodd drv = (struct idad_softc *)device_get_softc(dev); 17848156Sjlemon parent = device_get_parent(dev); 179124500Smdodd drv->dev = dev; 18048156Sjlemon drv->controller = (struct ida_softc *)device_get_softc(parent); 18148156Sjlemon drv->unit = device_get_unit(dev); 18263934Sjlemon drv->drive = drv->controller->num_drives; 18363934Sjlemon drv->controller->num_drives++; 18448156Sjlemon 18548156Sjlemon error = ida_command(drv->controller, CMD_GET_LOG_DRV_INFO, 18673113Sjlemon &dinfo, sizeof(dinfo), drv->drive, 0, DMA_DATA_IN); 18748156Sjlemon if (error) { 18848156Sjlemon device_printf(dev, "CMD_GET_LOG_DRV_INFO failed\n"); 18948156Sjlemon return (ENXIO); 19048156Sjlemon } 19148156Sjlemon 192124539Smdodd drv->cylinders = dinfo.dp.ncylinders; 193124539Smdodd drv->heads = dinfo.dp.nheads; 194124539Smdodd drv->sectors = dinfo.dp.nsectors; 19563934Sjlemon drv->secsize = dinfo.secsize == 0 ? 512 : dinfo.secsize; 19648156Sjlemon drv->secperunit = dinfo.secperunit; 19748156Sjlemon 19848156Sjlemon /* XXX 19948156Sjlemon * other initialization 20048156Sjlemon */ 20148156Sjlemon device_printf(dev, "%uMB (%u sectors), blocksize=%d\n", 20248156Sjlemon drv->secperunit / ((1024 * 1024) / drv->secsize), 20348156Sjlemon drv->secperunit, drv->secsize); 20448156Sjlemon 205125975Sphk drv->disk = disk_alloc(); 206125975Sphk drv->disk->d_strategy = idad_strategy; 207125975Sphk drv->disk->d_name = "idad"; 208125975Sphk drv->disk->d_dump = idad_dump; 209125975Sphk drv->disk->d_sectorsize = drv->secsize; 210125975Sphk drv->disk->d_mediasize = (off_t)drv->secperunit * drv->secsize; 211125975Sphk drv->disk->d_fwsectors = drv->sectors; 212125975Sphk drv->disk->d_fwheads = drv->heads; 213125975Sphk drv->disk->d_drv1 = drv; 214125975Sphk drv->disk->d_maxsize = DFLTPHYS; /* XXX guess? */ 215125975Sphk drv->disk->d_unit = drv->unit; 216125975Sphk drv->disk->d_flags = DISKFLAG_NEEDSGIANT; 217125975Sphk disk_create(drv->disk, DISK_VERSION); 21857828Sjlemon 21948156Sjlemon return (0); 22048156Sjlemon} 22148156Sjlemon 22257828Sjlemonstatic int 22359485Smdoddidad_detach(device_t dev) 22457828Sjlemon{ 22559485Smdodd struct idad_softc *drv; 22657828Sjlemon 22759485Smdodd drv = (struct idad_softc *)device_get_softc(dev); 228125975Sphk disk_destroy(drv->disk); 22957828Sjlemon return (0); 23057828Sjlemon} 231