ata-all.c revision 149594
11573Srgrimes/*- 21573Srgrimes * Copyright (c) 1998 - 2005 S�ren Schmidt <sos@FreeBSD.org> 31573Srgrimes * All rights reserved. 41573Srgrimes * 51573Srgrimes * Redistribution and use in source and binary forms, with or without 61573Srgrimes * modification, are permitted provided that the following conditions 71573Srgrimes * are met: 81573Srgrimes * 1. Redistributions of source code must retain the above copyright 91573Srgrimes * notice, this list of conditions and the following disclaimer, 101573Srgrimes * without modification, immediately at the beginning of the file. 111573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 121573Srgrimes * notice, this list of conditions and the following disclaimer in the 131573Srgrimes * documentation and/or other materials provided with the distribution. 141573Srgrimes * 3. The name of the author may not be used to endorse or promote products 151573Srgrimes * derived from this software without specific prior written permission. 161573Srgrimes * 171573Srgrimes * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 181573Srgrimes * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 191573Srgrimes * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 201573Srgrimes * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 211573Srgrimes * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 221573Srgrimes * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 231573Srgrimes * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 241573Srgrimes * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 251573Srgrimes * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 261573Srgrimes * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 271573Srgrimes */ 281573Srgrimes 291573Srgrimes#include <sys/cdefs.h> 301573Srgrimes__FBSDID("$FreeBSD: head/sys/dev/ata/ata-all.c 149594 2005-08-29 18:19:06Z sos $"); 311573Srgrimes 321573Srgrimes#include "opt_ata.h" 331573Srgrimes#include <sys/param.h> 341573Srgrimes#include <sys/systm.h> 351573Srgrimes#include <sys/ata.h> 361573Srgrimes#include <sys/kernel.h> 371573Srgrimes#include <sys/module.h> 3862232Sdcs#include <sys/endian.h> 3962232Sdcs#include <sys/ctype.h> 401573Srgrimes#include <sys/conf.h> 411573Srgrimes#include <sys/bus.h> 421573Srgrimes#include <sys/bio.h> 431573Srgrimes#include <sys/malloc.h> 441573Srgrimes#include <sys/sysctl.h> 451573Srgrimes#include <sys/sema.h> 461573Srgrimes#include <sys/taskqueue.h> 471573Srgrimes#include <vm/uma.h> 481573Srgrimes#include <machine/stdarg.h> 491573Srgrimes#include <machine/resource.h> 501573Srgrimes#include <machine/bus.h> 511573Srgrimes#include <sys/rman.h> 521573Srgrimes#ifdef __alpha__ 531573Srgrimes#include <machine/md_var.h> 5419277Sache#endif 5519277Sache#include <dev/ata/ata-all.h> 561573Srgrimes#include <ata_if.h> 571573Srgrimes 581573Srgrimes/* device structure */ 591573Srgrimesstatic d_ioctl_t ata_ioctl; 601573Srgrimesstatic struct cdevsw ata_cdevsw = { 611573Srgrimes .d_version = D_VERSION, 621573Srgrimes .d_flags = D_NEEDGIANT, /* we need this as newbus isn't mpsafe */ 631573Srgrimes .d_ioctl = ata_ioctl, 641573Srgrimes .d_name = "ata", 651573Srgrimes}; 661573Srgrimes 671573Srgrimes/* prototypes */ 681573Srgrimesstatic void ata_interrupt(void *); 691573Srgrimesstatic void ata_boot_attach(void); 701573Srgrimesstatic device_t ata_add_child(device_t, struct ata_device *, int); 711573Srgrimesstatic void bswap(int8_t *, int); 721573Srgrimesstatic void btrim(int8_t *, int); 731573Srgrimesstatic void bpack(int8_t *, int8_t *, int); 741573Srgrimes 751573Srgrimes/* global vars */ 761573SrgrimesMALLOC_DEFINE(M_ATA, "ATA generic", "ATA driver generic layer"); 771573Srgrimesint (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL; 781573Srgrimesdevclass_t ata_devclass; 791573Srgrimesuma_zone_t ata_request_zone; 801573Srgrimesuma_zone_t ata_composite_zone; 811573Srgrimesint ata_wc = 1; 821573Srgrimes 831573Srgrimes/* local vars */ 841573Srgrimesstatic struct intr_config_hook *ata_delayed_attach = NULL; 851573Srgrimesstatic int ata_dma = 1; 8692905Sobrienstatic int atapi_dma = 1; 8792905Sobrien 8892905Sobrien/* sysctl vars */ 8992905SobrienSYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters"); 9092905SobrienTUNABLE_INT("hw.ata.ata_dma", &ata_dma); 9192905SobrienSYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0, 9292905Sobrien "ATA disk DMA mode control"); 9392905SobrienTUNABLE_INT("hw.ata.atapi_dma", &atapi_dma); 9492905SobrienSYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0, 9592905Sobrien "ATAPI device DMA mode control"); 9692905SobrienTUNABLE_INT("hw.ata.wc", &ata_wc); 9792905SobrienSYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0, 9892905Sobrien "ATA disk write caching"); 9992905Sobrien 10092905Sobrien/* 10192905Sobrien * newbus device interface related functions 10292905Sobrien */ 10392905Sobrienint 10492905Sobrienata_probe(device_t dev) 10592905Sobrien{ 10692905Sobrien return 0; 10792905Sobrien} 10892905Sobrien 10992905Sobrienint 11017141Sjkhata_attach(device_t dev) 11192905Sobrien{ 11292905Sobrien struct ata_channel *ch = device_get_softc(dev); 11392905Sobrien int error, rid; 11417141Sjkh 11592905Sobrien /* check that we have a virgin channel to attach */ 11692905Sobrien if (ch->r_irq) 11792905Sobrien return EEXIST; 11892905Sobrien 11992905Sobrien /* initialize the softc basics */ 12092905Sobrien ch->dev = dev; 12192905Sobrien ch->state = ATA_IDLE; 12292905Sobrien bzero(&ch->state_mtx, sizeof(struct mtx)); 12392905Sobrien mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF); 12492905Sobrien bzero(&ch->queue_mtx, sizeof(struct mtx)); 12592905Sobrien mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF); 12692905Sobrien TAILQ_INIT(&ch->ata_queue); 12792905Sobrien 12892905Sobrien /* reset the controller HW, the channel and device(s) */ 12992905Sobrien while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 13092905Sobrien tsleep(&error, PRIBIO, "ataatch", 1); 1311573Srgrimes ATA_RESET(dev); 1321573Srgrimes ATA_LOCKING(dev, ATA_LF_UNLOCK); 1331573Srgrimes 1341573Srgrimes /* setup interrupt delivery */ 1351573Srgrimes rid = ATA_IRQ_RID; 1361573Srgrimes ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 1371573Srgrimes RF_SHAREABLE | RF_ACTIVE); 1381573Srgrimes if (!ch->r_irq) { 1391573Srgrimes device_printf(dev, "unable to allocate interrupt\n"); 1401573Srgrimes return ENXIO; 1411573Srgrimes } 1421573Srgrimes if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, 1431573Srgrimes ata_interrupt, ch, &ch->ih))) { 1441573Srgrimes device_printf(dev, "unable to setup interrupt\n"); 1451573Srgrimes return error; 1461573Srgrimes } 1471573Srgrimes 1481573Srgrimes /* probe and attach devices on this channel unless we are in early boot */ 1491573Srgrimes if (!ata_delayed_attach) 1501573Srgrimes ata_identify(dev); 1511573Srgrimes return 0; 1521573Srgrimes} 1531573Srgrimes 1541573Srgrimesint 1551573Srgrimesata_detach(device_t dev) 1561573Srgrimes{ 1571573Srgrimes struct ata_channel *ch = device_get_softc(dev); 1581573Srgrimes device_t *children; 1591573Srgrimes int nchildren, i; 1601573Srgrimes 1611573Srgrimes /* check that we have a vaild channel to detach */ 1621573Srgrimes if (!ch->r_irq) 1631573Srgrimes return ENXIO; 1641573Srgrimes 1651573Srgrimes /* detach & delete all children */ 1661573Srgrimes if (!device_get_children(dev, &children, &nchildren)) { 1671573Srgrimes for (i = 0; i < nchildren; i++) 1681573Srgrimes if (children[i]) 1691573Srgrimes device_delete_child(dev, children[i]); 1701573Srgrimes free(children, M_TEMP); 1711573Srgrimes } 1721573Srgrimes 1731573Srgrimes /* release resources */ 1741573Srgrimes bus_teardown_intr(dev, ch->r_irq, ch->ih); 17562232Sdcs bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq); 17662232Sdcs ch->r_irq = NULL; 17762232Sdcs mtx_destroy(&ch->state_mtx); 1781573Srgrimes mtx_destroy(&ch->queue_mtx); 1791573Srgrimes return 0; 1801573Srgrimes} 1811573Srgrimes 1821573Srgrimesint 1831573Srgrimesata_reinit(device_t dev) 1841573Srgrimes{ 1851573Srgrimes struct ata_channel *ch = device_get_softc(dev); 1861573Srgrimes device_t *children; 1871573Srgrimes int nchildren, i; 1881573Srgrimes 1891573Srgrimes /* check that we have a vaild channel to reinit */ 1901573Srgrimes if (!ch || !ch->r_irq) 1911573Srgrimes return ENXIO; 1921573Srgrimes 1931573Srgrimes if (bootverbose) 1941573Srgrimes device_printf(dev, "reiniting channel ..\n"); 1951573Srgrimes 1961573Srgrimes /* poll for locking the channel */ 19792889Sobrien while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit) 19892889Sobrien tsleep(&dev, PRIBIO, "atarini", 1); 19992889Sobrien 20092889Sobrien /* unconditionally grap the channel lock */ 2011573Srgrimes mtx_lock(&ch->state_mtx); 2021573Srgrimes ch->state = ATA_STALL_QUEUE; 2031573Srgrimes mtx_unlock(&ch->state_mtx); 2041573Srgrimes 2051573Srgrimes /* reset the controller HW, the channel and device(s) */ 2061573Srgrimes ATA_RESET(dev); 2071573Srgrimes 2081573Srgrimes /* reinit the children and delete any that fails */ 2091573Srgrimes if (!device_get_children(dev, &children, &nchildren)) { 2101573Srgrimes mtx_lock(&Giant); /* newbus suckage it needs Giant */ 2111573Srgrimes for (i = 0; i < nchildren; i++) { 2121573Srgrimes if (children[i] && device_is_attached(children[i])) 2131573Srgrimes if (ATA_REINIT(children[i])) { 2141573Srgrimes /* 2151573Srgrimes * if we have a running request and its device matches 2161573Srgrimes * this child we need to inform the request that the 2171573Srgrimes * device is gone and remove it from ch->running 2181573Srgrimes */ 2191573Srgrimes if (ch->running && ch->running->dev == children[i]) { 2201573Srgrimes device_printf(ch->running->dev, 2211573Srgrimes "FAILURE - device detached\n"); 2221573Srgrimes ch->running->dev = NULL; 2231573Srgrimes ch->running = NULL; 2241573Srgrimes } 2251573Srgrimes device_delete_child(dev, children[i]); 2261573Srgrimes } 2271573Srgrimes } 2281573Srgrimes free(children, M_TEMP); 2291573Srgrimes mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */ 2301573Srgrimes } 2311573Srgrimes 2321573Srgrimes /* catch request in ch->running if we havn't already */ 2331573Srgrimes ata_catch_inflight(dev); 2341573Srgrimes 2351573Srgrimes /* we're done release the channel for new work */ 2361573Srgrimes mtx_lock(&ch->state_mtx); 2371573Srgrimes ch->state = ATA_IDLE; 2381573Srgrimes mtx_unlock(&ch->state_mtx); 2391573Srgrimes ATA_LOCKING(dev, ATA_LF_UNLOCK); 2401573Srgrimes 2411573Srgrimes if (bootverbose) 2421573Srgrimes device_printf(dev, "reinit done ..\n"); 2431573Srgrimes 2441573Srgrimes /* kick off requests on the queue */ 2451573Srgrimes ata_start(dev); 2461573Srgrimes return 0; 2471573Srgrimes} 2481573Srgrimes 2491573Srgrimesint 25062391Sdcsata_suspend(device_t dev) 25162263Sdcs{ 25262263Sdcs struct ata_channel *ch; 2531573Srgrimes 2541573Srgrimes /* check for valid device */ 2551573Srgrimes if (!dev || !(ch = device_get_softc(dev))) 2561573Srgrimes return ENXIO; 2571573Srgrimes 2581573Srgrimes /* wait for the channel to be IDLE before entering suspend mode */ 2591573Srgrimes while (1) { 2601573Srgrimes mtx_lock(&ch->state_mtx); 2611573Srgrimes if (ch->state == ATA_IDLE) { 2621573Srgrimes ch->state = ATA_ACTIVE; 2631573Srgrimes mtx_unlock(&ch->state_mtx); 2641573Srgrimes break; 2651573Srgrimes } 2661573Srgrimes mtx_unlock(&ch->state_mtx); 2671573Srgrimes tsleep(ch, PRIBIO, "atasusp", hz/10); 2681573Srgrimes } 2691573Srgrimes ATA_LOCKING(dev, ATA_LF_UNLOCK); 2701573Srgrimes return 0; 2711573Srgrimes} 2721573Srgrimes 2731573Srgrimesint 2741573Srgrimesata_resume(device_t dev) 2751573Srgrimes{ 27662232Sdcs struct ata_channel *ch; 27762232Sdcs int error; 27862232Sdcs 27962232Sdcs /* check for valid device */ 28062232Sdcs if (!dev || !(ch = device_get_softc(dev))) 28162232Sdcs return ENXIO; 28262755Sdcs 28362232Sdcs /* reinit the devices, we dont know what mode/state they are in */ 28462232Sdcs error = ata_reinit(dev); 28562232Sdcs 28662232Sdcs /* kick off requests on the queue */ 2871573Srgrimes ata_start(dev); 2881573Srgrimes return error; 2891573Srgrimes} 2901573Srgrimes 2911573Srgrimesstatic void 2921573Srgrimesata_interrupt(void *data) 2931573Srgrimes{ 2941573Srgrimes struct ata_channel *ch = (struct ata_channel *)data; 2951573Srgrimes struct ata_request *request; 2961573Srgrimes 2971573Srgrimes mtx_lock(&ch->state_mtx); 2981573Srgrimes do { 2991573Srgrimes /* do we have a running request */ 3001573Srgrimes if (!(request = ch->running) || (request->flags & ATA_R_TIMEOUT)) 3011573Srgrimes break; 3021573Srgrimes 3031573Srgrimes ATA_DEBUG_RQ(request, "interrupt"); 3041573Srgrimes 3051573Srgrimes /* ignore interrupt if device is busy */ 30692889Sobrien if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) { 3071573Srgrimes DELAY(100); 3081573Srgrimes if (ATA_IDX_INB(ch, ATA_ALTSTAT) & ATA_S_BUSY) 3091573Srgrimes break; 31092889Sobrien } 3111573Srgrimes 3121573Srgrimes /* check for the right state */ 31392889Sobrien if (ch->state != ATA_ACTIVE && ch->state != ATA_STALL_QUEUE) { 31492889Sobrien device_printf(request->dev, 31592889Sobrien "interrupt state=%d unexpected\n", ch->state); 31692889Sobrien break; 31792889Sobrien } 3181573Srgrimes 3191573Srgrimes /* 3201573Srgrimes * we have the HW locks, so end the tranaction for this request 3211573Srgrimes * if it finishes immediately otherwise wait for next interrupt 3221573Srgrimes */ 3231573Srgrimes if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) { 32417141Sjkh ch->running = NULL; 3251573Srgrimes if (ch->state == ATA_ACTIVE) 3261573Srgrimes ch->state = ATA_IDLE; 3271573Srgrimes mtx_unlock(&ch->state_mtx); 3281573Srgrimes ATA_LOCKING(ch->dev, ATA_LF_UNLOCK); 3291573Srgrimes ata_finish(request); 3301573Srgrimes return; 3311573Srgrimes } 3321573Srgrimes } while (0); 3331573Srgrimes mtx_unlock(&ch->state_mtx); 3341573Srgrimes} 3351573Srgrimes 3361573Srgrimes/* 3371573Srgrimes * device related interfaces 3381573Srgrimes */ 3391573Srgrimesstatic int 3401573Srgrimesata_ioctl(struct cdev *dev, u_long cmd, caddr_t data, 3411573Srgrimes int32_t flag, struct thread *td) 3421573Srgrimes{ 3431573Srgrimes device_t device, *children; 3441573Srgrimes struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data; 3451573Srgrimes int *value = (int *)data; 3461573Srgrimes int i, nchildren, error = ENOTTY; 3471573Srgrimes 3481573Srgrimes switch (cmd) { 3491573Srgrimes case IOCATAGMAXCHANNEL: 3501573Srgrimes *value = devclass_get_maxunit(ata_devclass); 3511573Srgrimes error = 0; 35292889Sobrien break; 3531573Srgrimes 3541573Srgrimes case IOCATAREINIT: 3551573Srgrimes if (*value > devclass_get_maxunit(ata_devclass) || 35692889Sobrien !(device = devclass_get_device(ata_devclass, *value))) 3571573Srgrimes return ENXIO; 35892889Sobrien error = ata_reinit(device); 35992889Sobrien ata_start(device); 36092889Sobrien break; 36192889Sobrien 36292889Sobrien case IOCATAATTACH: 3631573Srgrimes if (*value > devclass_get_maxunit(ata_devclass) || 3641573Srgrimes !(device = devclass_get_device(ata_devclass, *value))) 3651573Srgrimes return ENXIO; 3661573Srgrimes /* XXX SOS should enable channel HW on controller */ 3671573Srgrimes error = ata_attach(device); 3681573Srgrimes break; 3691573Srgrimes 3701573Srgrimes case IOCATADETACH: 37117141Sjkh if (*value > devclass_get_maxunit(ata_devclass) || 3721573Srgrimes !(device = devclass_get_device(ata_devclass, *value))) 3731573Srgrimes return ENXIO; 3741573Srgrimes error = ata_detach(device); 3751573Srgrimes /* XXX SOS should disable channel HW on controller */ 3761573Srgrimes break; 3771573Srgrimes 3781573Srgrimes case IOCATADEVICES: 3791573Srgrimes if (devices->channel > devclass_get_maxunit(ata_devclass) || 3801573Srgrimes !(device = devclass_get_device(ata_devclass, devices->channel))) 3811573Srgrimes return ENXIO; 3821573Srgrimes bzero(devices->name[0], 32); 3831573Srgrimes bzero(&devices->params[0], sizeof(struct ata_params)); 38417141Sjkh bzero(devices->name[1], 32); 3851573Srgrimes bzero(&devices->params[1], sizeof(struct ata_params)); 3861573Srgrimes if (!device_get_children(device, &children, &nchildren)) { 3871573Srgrimes for (i = 0; i < nchildren; i++) { 3881573Srgrimes if (children[i] && device_is_attached(children[i])) { 3891573Srgrimes struct ata_device *atadev = device_get_softc(children[i]); 3901573Srgrimes 3911573Srgrimes if (atadev->unit == ATA_MASTER) { 3921573Srgrimes strncpy(devices->name[0], 3931573Srgrimes device_get_nameunit(children[i]), 32); 3941573Srgrimes bcopy(&atadev->param, &devices->params[0], 3951573Srgrimes sizeof(struct ata_params)); 3961573Srgrimes } 3971573Srgrimes if (atadev->unit == ATA_SLAVE) { 3981573Srgrimes strncpy(devices->name[1], 3991573Srgrimes device_get_nameunit(children[i]), 32); 4001573Srgrimes bcopy(&atadev->param, &devices->params[1], 4011573Srgrimes sizeof(struct ata_params)); 4021573Srgrimes } 4031573Srgrimes } 4041573Srgrimes } 4051573Srgrimes free(children, M_TEMP); 4061573Srgrimes error = 0; 4071573Srgrimes } 4081573Srgrimes else 4091573Srgrimes error = ENODEV; 4101573Srgrimes break; 4111573Srgrimes 4121573Srgrimes default: 4131573Srgrimes if (ata_raid_ioctl_func) 4141573Srgrimes error = ata_raid_ioctl_func(cmd, data); 4151573Srgrimes } 4161573Srgrimes return error; 4171573Srgrimes} 4181573Srgrimes 4191573Srgrimesint 4201573Srgrimesata_device_ioctl(device_t dev, u_long cmd, caddr_t data) 4211573Srgrimes{ 4221573Srgrimes struct ata_device *atadev = device_get_softc(dev); 4231573Srgrimes struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data; 4241573Srgrimes struct ata_params *params = (struct ata_params *)data; 4251573Srgrimes int *mode = (int *)data; 4261573Srgrimes struct ata_request *request; 42717141Sjkh caddr_t buf; 4281573Srgrimes int error; 4291573Srgrimes 4301573Srgrimes switch (cmd) { 4311573Srgrimes case IOCATAREQUEST: 43249094Sache if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) { 4331573Srgrimes return ENOMEM; 4341573Srgrimes } 4351573Srgrimes if (!(request = ata_alloc_request())) { 4361573Srgrimes free(buf, M_ATA); 4371573Srgrimes return ENOMEM; 4381573Srgrimes } 4391573Srgrimes if (ioc_request->flags & ATA_CMD_WRITE) { 4401573Srgrimes error = copyin(ioc_request->data, buf, ioc_request->count); 4411573Srgrimes if (error) { 4421573Srgrimes free(buf, M_ATA); 4431573Srgrimes ata_free_request(request); 44449094Sache return error; 4451573Srgrimes } 4461573Srgrimes } 4471573Srgrimes request->dev = dev; 44817141Sjkh if (ioc_request->flags & ATA_CMD_ATAPI) { 4491573Srgrimes request->flags = ATA_R_ATAPI; 4501573Srgrimes bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16); 4511573Srgrimes } 4521573Srgrimes else { 4531573Srgrimes request->u.ata.command = ioc_request->u.ata.command; 4541573Srgrimes request->u.ata.feature = ioc_request->u.ata.feature; 4551573Srgrimes request->u.ata.lba = ioc_request->u.ata.lba; 4561573Srgrimes request->u.ata.count = ioc_request->u.ata.count; 4571573Srgrimes } 4581573Srgrimes request->timeout = ioc_request->timeout; 4591573Srgrimes request->data = buf; 4601573Srgrimes request->bytecount = ioc_request->count; 4611573Srgrimes request->transfersize = request->bytecount; 4621573Srgrimes if (ioc_request->flags & ATA_CMD_CONTROL) 4631573Srgrimes request->flags |= ATA_R_CONTROL; 4641573Srgrimes if (ioc_request->flags & ATA_CMD_READ) 4651573Srgrimes request->flags |= ATA_R_READ; 4661573Srgrimes if (ioc_request->flags & ATA_CMD_WRITE) 4671573Srgrimes request->flags |= ATA_R_WRITE; 4681573Srgrimes ata_queue_request(request); 4691573Srgrimes if (!(request->flags & ATA_R_ATAPI)) { 4701573Srgrimes ioc_request->u.ata.command = request->u.ata.command; 4711573Srgrimes ioc_request->u.ata.feature = request->u.ata.feature; 4721573Srgrimes ioc_request->u.ata.lba = request->u.ata.lba; 47349094Sache ioc_request->u.ata.count = request->u.ata.count; 4741573Srgrimes } 47517141Sjkh ioc_request->error = request->result; 4761573Srgrimes if (ioc_request->flags & ATA_CMD_READ) 4771573Srgrimes error = copyout(buf, ioc_request->data, ioc_request->count); 4781573Srgrimes else 4791573Srgrimes error = 0; 4801573Srgrimes free(buf, M_ATA); 4811573Srgrimes ata_free_request(request); 4821573Srgrimes return error; 4831573Srgrimes 48417141Sjkh case IOCATAGPARM: 4851573Srgrimes bcopy(&atadev->param, params, sizeof(struct ata_params)); 4861573Srgrimes return 0; 4871573Srgrimes 4881573Srgrimes case IOCATASMODE: 4891573Srgrimes atadev->mode = *mode; 4901573Srgrimes ATA_SETMODE(device_get_parent(dev), dev); 4911573Srgrimes return 0; 4921573Srgrimes 4931573Srgrimes case IOCATAGMODE: 49449094Sache *mode = atadev->mode; 4951573Srgrimes return 0; 4961573Srgrimes default: 4971573Srgrimes return ENOTTY; 4981573Srgrimes } 4991573Srgrimes} 5001573Srgrimes 50192889Sobrienstatic void 5021573Srgrimesata_boot_attach(void) 5031573Srgrimes{ 5041573Srgrimes struct ata_channel *ch; 50592889Sobrien int ctlr; 5061573Srgrimes 50717141Sjkh /* release the hook that got us here, only needed during boot */ 5081573Srgrimes if (ata_delayed_attach) { 5091573Srgrimes config_intrhook_disestablish(ata_delayed_attach); 5101573Srgrimes free(ata_delayed_attach, M_TEMP); 5111573Srgrimes ata_delayed_attach = NULL; 5121573Srgrimes } 5131573Srgrimes 51492889Sobrien /* kick of probe and attach on all channels */ 51592889Sobrien for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) { 5161573Srgrimes if ((ch = devclass_get_softc(ata_devclass, ctlr))) { 5171573Srgrimes ata_identify(ch->dev); 5181573Srgrimes } 5191573Srgrimes } 5201573Srgrimes} 5211573Srgrimes 5221573Srgrimes 5231573Srgrimes/* 5241573Srgrimes * misc support functions 5251573Srgrimes */ 52692889Sobrienstatic device_t 52792889Sobrienata_add_child(device_t parent, struct ata_device *atadev, int unit) 52892889Sobrien{ 5291573Srgrimes device_t child; 53092889Sobrien 53192889Sobrien if ((child = device_add_child(parent, NULL, unit))) { 53292889Sobrien device_set_softc(child, atadev); 5331573Srgrimes device_quiet(child); 5341573Srgrimes atadev->dev = child; 5351573Srgrimes atadev->max_iosize = DEV_BSIZE; 5361573Srgrimes atadev->mode = ATA_PIO_MAX; 5371573Srgrimes } 5381573Srgrimes return child; 5391573Srgrimes} 5401573Srgrimes 5411573Srgrimesstatic int 5421573Srgrimesata_getparam(device_t parent, struct ata_device *atadev) 5431573Srgrimes{ 5441573Srgrimes struct ata_channel *ch = device_get_softc(parent); 5451573Srgrimes struct ata_request *request; 5461573Srgrimes u_int8_t command = 0; 5471573Srgrimes int error = ENOMEM, retries = 2; 5481573Srgrimes 5491573Srgrimes if (ch->devices & 55017141Sjkh (atadev->unit == ATA_MASTER ? ATA_ATA_MASTER : ATA_ATA_SLAVE)) 5511573Srgrimes command = ATA_ATA_IDENTIFY; 5521573Srgrimes if (ch->devices & 5531573Srgrimes (atadev->unit == ATA_MASTER ? ATA_ATAPI_MASTER : ATA_ATAPI_SLAVE)) 5541573Srgrimes command = ATA_ATAPI_IDENTIFY; 55592889Sobrien if (!command) 5561573Srgrimes return ENXIO; 5571573Srgrimes 5581573Srgrimes while (retries-- > 0 && error) { 55992889Sobrien if (!(request = ata_alloc_request())) 5601573Srgrimes break; 5611573Srgrimes request->dev = atadev->dev; 56292889Sobrien request->timeout = 1; 56392889Sobrien request->retries = 0; 56492889Sobrien request->u.ata.command = command; 56592889Sobrien request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT|ATA_R_QUIET); 56692889Sobrien request->data = (void *)&atadev->param; 56792889Sobrien request->bytecount = sizeof(struct ata_params); 5681573Srgrimes request->donecount = 0; 5691573Srgrimes request->transfersize = DEV_BSIZE; 5701573Srgrimes ata_queue_request(request); 5711573Srgrimes error = request->result; 5721573Srgrimes ata_free_request(request); 5731573Srgrimes } 5741573Srgrimes 57517141Sjkh if (!error && (isprint(atadev->param.model[0]) || 57649094Sache isprint(atadev->param.model[1]))) { 5771573Srgrimes struct ata_params *atacap = &atadev->param; 5781573Srgrimes char buffer[64]; 5791573Srgrimes#if BYTE_ORDER == BIG_ENDIAN 5801573Srgrimes int16_t *ptr; 5811573Srgrimes 5821573Srgrimes for (ptr = (int16_t *)atacap; 5831573Srgrimes ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) { 5841573Srgrimes *ptr = bswap16(*ptr); 5851573Srgrimes } 5861573Srgrimes#endif 5871573Srgrimes if (!(!strncmp(atacap->model, "FX", 2) || 5881573Srgrimes !strncmp(atacap->model, "NEC", 3) || 5891573Srgrimes !strncmp(atacap->model, "Pioneer", 7) || 5901573Srgrimes !strncmp(atacap->model, "SHARP", 5))) { 5911573Srgrimes bswap(atacap->model, sizeof(atacap->model)); 5921573Srgrimes bswap(atacap->revision, sizeof(atacap->revision)); 5931573Srgrimes bswap(atacap->serial, sizeof(atacap->serial)); 5941573Srgrimes } 5951573Srgrimes btrim(atacap->model, sizeof(atacap->model)); 5961573Srgrimes bpack(atacap->model, atacap->model, sizeof(atacap->model)); 5971573Srgrimes btrim(atacap->revision, sizeof(atacap->revision)); 5981573Srgrimes bpack(atacap->revision, atacap->revision, sizeof(atacap->revision)); 5991573Srgrimes btrim(atacap->serial, sizeof(atacap->serial)); 6001573Srgrimes bpack(atacap->serial, atacap->serial, sizeof(atacap->serial)); 6011573Srgrimes sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision); 6021573Srgrimes device_set_desc_copy(atadev->dev, buffer); 6031573Srgrimes if (bootverbose) 6041573Srgrimes printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n", 60517141Sjkh ch->unit, atadev->unit == ATA_MASTER ? "master":"slave", 6061573Srgrimes ata_mode2str(ata_pmode(atacap)), 6071573Srgrimes ata_mode2str(ata_wmode(atacap)), 6081573Srgrimes ata_mode2str(ata_umode(atacap)), 6091573Srgrimes (atacap->hwres & ATA_CABLE_ID) ? "80":"40"); 6101573Srgrimes 6111573Srgrimes if (atadev->param.config & ATA_PROTO_ATAPI) { 6121573Srgrimes if (atapi_dma && ch->dma && 6131573Srgrimes (atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR && 6141573Srgrimes ata_umode(&atadev->param) >= ATA_UDMA2) 6151573Srgrimes atadev->mode = ATA_DMA_MAX; 6161573Srgrimes } 6171573Srgrimes else { 6181573Srgrimes if (ata_dma && ch->dma && 6191573Srgrimes (ata_umode(&atadev->param) > 0 || 6201573Srgrimes ata_wmode(&atadev->param) > 0)) 6211573Srgrimes atadev->mode = ATA_DMA_MAX; 6221573Srgrimes } 6231573Srgrimes } 6241573Srgrimes else { 6251573Srgrimes if (!error) 6261573Srgrimes error = ENXIO; 6271573Srgrimes } 6281573Srgrimes return error; 6291573Srgrimes} 6301573Srgrimes 6311573Srgrimesint 6321573Srgrimesata_identify(device_t dev) 6331573Srgrimes{ 6341573Srgrimes struct ata_channel *ch = device_get_softc(dev); 63517141Sjkh struct ata_device *master = NULL, *slave = NULL; 6361573Srgrimes device_t master_child = NULL, slave_child = NULL; 6371573Srgrimes int master_unit = -1, slave_unit = -1; 63849094Sache 6391573Srgrimes if (ch->devices & (ATA_ATA_MASTER | ATA_ATAPI_MASTER)) { 6401573Srgrimes if (!(master = malloc(sizeof(struct ata_device), 6411573Srgrimes M_ATA, M_NOWAIT | M_ZERO))) { 6421573Srgrimes device_printf(dev, "out of memory\n"); 6431573Srgrimes return ENOMEM; 6441573Srgrimes } 6451573Srgrimes master->unit = ATA_MASTER; 6461573Srgrimes } 6471573Srgrimes if (ch->devices & (ATA_ATA_SLAVE | ATA_ATAPI_SLAVE)) { 6481573Srgrimes if (!(slave = malloc(sizeof(struct ata_device), 6491573Srgrimes M_ATA, M_NOWAIT | M_ZERO))) { 6501573Srgrimes free(master, M_ATA); 65149094Sache device_printf(dev, "out of memory\n"); 6521573Srgrimes return ENOMEM; 65317141Sjkh } 6541573Srgrimes slave->unit = ATA_SLAVE; 6551573Srgrimes } 6561573Srgrimes 6571573Srgrimes#ifdef ATA_STATIC_ID 6581573Srgrimes if (ch->devices & ATA_ATA_MASTER) 6591573Srgrimes master_unit = (device_get_unit(dev) << 1); 6601573Srgrimes#endif 6611573Srgrimes if (master && !(master_child = ata_add_child(dev, master, master_unit))) { 66217141Sjkh free(master, M_ATA); 6631573Srgrimes master = NULL; 6641573Srgrimes } 66549094Sache#ifdef ATA_STATIC_ID 6661573Srgrimes if (ch->devices & ATA_ATA_SLAVE) 6671573Srgrimes slave_unit = (device_get_unit(dev) << 1) + 1; 6681573Srgrimes#endif 6691573Srgrimes if (slave && !(slave_child = ata_add_child(dev, slave, slave_unit))) { 6701573Srgrimes free(slave, M_ATA); 6711573Srgrimes slave = NULL; 6721573Srgrimes } 67392889Sobrien 6741573Srgrimes if (slave && ata_getparam(dev, slave)) { 6751573Srgrimes device_delete_child(dev, slave_child); 6761573Srgrimes free(slave, M_ATA); 67792889Sobrien } 6781573Srgrimes if (master && ata_getparam(dev, master)) { 67992889Sobrien device_delete_child(dev, master_child); 68092889Sobrien free(master, M_ATA); 6811573Srgrimes } 68249094Sache 6831573Srgrimes bus_generic_probe(dev); 6841573Srgrimes bus_generic_attach(dev); 6851573Srgrimes return 0; 6861573Srgrimes} 68717141Sjkh 6881573Srgrimesvoid 6891573Srgrimesata_default_registers(device_t dev) 6901573Srgrimes{ 6911573Srgrimes struct ata_channel *ch = device_get_softc(dev); 6921573Srgrimes 69392889Sobrien /* fill in the defaults from whats setup already */ 6941573Srgrimes ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res; 6951573Srgrimes ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset; 6961573Srgrimes ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res; 6971573Srgrimes ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset; 6981573Srgrimes ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res; 6991573Srgrimes ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset; 70092889Sobrien ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res; 7011573Srgrimes ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset; 70292889Sobrien} 70392889Sobrien 7041573Srgrimesvoid 7051573Srgrimesata_modify_if_48bit(struct ata_request *request) 7061573Srgrimes{ 7071573Srgrimes struct ata_channel *ch = device_get_softc(device_get_parent(request->dev)); 7081573Srgrimes struct ata_device *atadev = device_get_softc(request->dev); 7091573Srgrimes 7101573Srgrimes atadev->flags &= ~ATA_D_48BIT_ACTIVE; 7111573Srgrimes 7121573Srgrimes if ((request->u.ata.lba >= ATA_MAX_28BIT_LBA || 7131573Srgrimes request->u.ata.count > 256) && 7141573Srgrimes atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) { 7151573Srgrimes 7161573Srgrimes /* translate command into 48bit version */ 7171573Srgrimes switch (request->u.ata.command) { 7181573Srgrimes case ATA_READ: 7191573Srgrimes request->u.ata.command = ATA_READ48; 7201573Srgrimes break; 7211573Srgrimes case ATA_READ_MUL: 7221573Srgrimes request->u.ata.command = ATA_READ_MUL48; 7231573Srgrimes break; 7241573Srgrimes case ATA_READ_DMA: 7251573Srgrimes if (ch->flags & ATA_NO_48BIT_DMA) { 7261573Srgrimes if (request->transfersize > DEV_BSIZE) 72717141Sjkh request->u.ata.command = ATA_READ_MUL48; 7281573Srgrimes else 7291573Srgrimes request->u.ata.command = ATA_READ48; 7301573Srgrimes request->flags &= ~ATA_R_DMA; 7311573Srgrimes } 7321573Srgrimes else 73392889Sobrien request->u.ata.command = ATA_READ_DMA48; 73492889Sobrien break; 7351573Srgrimes case ATA_READ_DMA_QUEUED: 7361573Srgrimes if (ch->flags & ATA_NO_48BIT_DMA) { 7371573Srgrimes if (request->transfersize > DEV_BSIZE) 7381573Srgrimes request->u.ata.command = ATA_READ_MUL48; 7391573Srgrimes else 7401573Srgrimes request->u.ata.command = ATA_READ48; 7411573Srgrimes request->flags &= ~ATA_R_DMA; 7421573Srgrimes } 7431573Srgrimes else 7441573Srgrimes request->u.ata.command = ATA_READ_DMA_QUEUED48; 7451573Srgrimes break; 74692889Sobrien case ATA_WRITE: 7471573Srgrimes request->u.ata.command = ATA_WRITE48; 7481573Srgrimes break; 7491573Srgrimes case ATA_WRITE_MUL: 7501573Srgrimes request->u.ata.command = ATA_WRITE_MUL48; 7511573Srgrimes break; 7521573Srgrimes case ATA_WRITE_DMA: 7531573Srgrimes if (ch->flags & ATA_NO_48BIT_DMA) { 7541573Srgrimes if (request->transfersize > DEV_BSIZE) 7551573Srgrimes request->u.ata.command = ATA_WRITE_MUL48; 7561573Srgrimes else 7571573Srgrimes request->u.ata.command = ATA_WRITE48; 7581573Srgrimes request->flags &= ~ATA_R_DMA; 7591573Srgrimes } 7601573Srgrimes else 7611573Srgrimes request->u.ata.command = ATA_WRITE_DMA48; 7621573Srgrimes break; 7631573Srgrimes case ATA_WRITE_DMA_QUEUED: 7641573Srgrimes if (ch->flags & ATA_NO_48BIT_DMA) { 7651573Srgrimes if (request->transfersize > DEV_BSIZE) 7661573Srgrimes request->u.ata.command = ATA_WRITE_MUL48; 7671573Srgrimes else 7681573Srgrimes request->u.ata.command = ATA_WRITE48; 7691573Srgrimes request->u.ata.command = ATA_WRITE48; 77092889Sobrien request->flags &= ~ATA_R_DMA; 7711573Srgrimes } 7721573Srgrimes else 7731573Srgrimes request->u.ata.command = ATA_WRITE_DMA_QUEUED48; 77492889Sobrien break; 77592889Sobrien case ATA_FLUSHCACHE: 7761573Srgrimes request->u.ata.command = ATA_FLUSHCACHE48; 77792889Sobrien break; 77892889Sobrien default: 77992889Sobrien return; 7801573Srgrimes } 7811573Srgrimes atadev->flags |= ATA_D_48BIT_ACTIVE; 7821573Srgrimes } 7831573Srgrimes} 7841573Srgrimes 7851573Srgrimesvoid 7861573Srgrimesata_udelay(int interval) 7871573Srgrimes{ 7881573Srgrimes /* for now just use DELAY, the timer/sleep subsytems are not there yet */ 7891573Srgrimes if (1 || interval < (1000000/hz) || ata_delayed_attach) 7901573Srgrimes DELAY(interval); 7911573Srgrimes else 7921573Srgrimes tsleep(&interval, PRIBIO, "ataslp", interval/(1000000/hz)); 7931573Srgrimes} 7941573Srgrimes 7951573Srgrimeschar * 7961573Srgrimesata_mode2str(int mode) 7971573Srgrimes{ 79817141Sjkh switch (mode) { 7991573Srgrimes case -1: return "UNSUPPORTED"; 80017141Sjkh case ATA_PIO0: return "PIO0"; 8011573Srgrimes case ATA_PIO1: return "PIO1"; 80217141Sjkh case ATA_PIO2: return "PIO2"; 80317141Sjkh case ATA_PIO3: return "PIO3"; 8041573Srgrimes case ATA_PIO4: return "PIO4"; 8051573Srgrimes case ATA_WDMA0: return "WDMA0"; 8061573Srgrimes case ATA_WDMA1: return "WDMA1"; 80717141Sjkh case ATA_WDMA2: return "WDMA2"; 8081573Srgrimes case ATA_UDMA0: return "UDMA16"; 80917141Sjkh case ATA_UDMA1: return "UDMA25"; 8101573Srgrimes case ATA_UDMA2: return "UDMA33"; 81117141Sjkh case ATA_UDMA3: return "UDMA40"; 81217141Sjkh case ATA_UDMA4: return "UDMA66"; 8131573Srgrimes case ATA_UDMA5: return "UDMA100"; 8141573Srgrimes case ATA_UDMA6: return "UDMA133"; 8151573Srgrimes case ATA_SA150: return "SATA150"; 8161573Srgrimes case ATA_SA300: return "SATA300"; 8171573Srgrimes default: 8181573Srgrimes if (mode & ATA_DMA_MASK) 8191573Srgrimes return "BIOSDMA"; 8201573Srgrimes else 8211573Srgrimes return "BIOSPIO"; 8221573Srgrimes } 8231573Srgrimes} 8241573Srgrimes 8251573Srgrimesint 82617514Sacheata_pmode(struct ata_params *ap) 82717514Sache{ 82817514Sache if (ap->atavalid & ATA_FLAG_64_70) { 82924637Sache if (ap->apiomodes & 0x02) 83024637Sache return ATA_PIO4; 83124637Sache if (ap->apiomodes & 0x01) 83217514Sache return ATA_PIO3; 83324637Sache } 83424637Sache if (ap->mwdmamodes & 0x04) 83524637Sache return ATA_PIO4; 83624637Sache if (ap->mwdmamodes & 0x02) 83724637Sache return ATA_PIO3; 83824637Sache if (ap->mwdmamodes & 0x01) 83924637Sache return ATA_PIO2; 84024637Sache if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200) 84117514Sache return ATA_PIO2; 84217514Sache if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100) 8431573Srgrimes return ATA_PIO1; 8441573Srgrimes if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000) 8451573Srgrimes return ATA_PIO0; 8461573Srgrimes return ATA_PIO0; 8471573Srgrimes} 8481573Srgrimes 84992889Sobrienint 8501573Srgrimesata_wmode(struct ata_params *ap) 8511573Srgrimes{ 8521573Srgrimes if (ap->mwdmamodes & 0x04) 85392889Sobrien return ATA_WDMA2; 85492889Sobrien if (ap->mwdmamodes & 0x02) 8551573Srgrimes return ATA_WDMA1; 85692889Sobrien if (ap->mwdmamodes & 0x01) 85792889Sobrien return ATA_WDMA0; 85892889Sobrien return -1; 85992889Sobrien} 8601573Srgrimes 86117508Sacheint 8621573Srgrimesata_umode(struct ata_params *ap) 8631573Srgrimes{ 8641573Srgrimes if (ap->atavalid & ATA_FLAG_88) { 8651573Srgrimes if (ap->udmamodes & 0x40) 8661573Srgrimes return ATA_UDMA6; 8671573Srgrimes if (ap->udmamodes & 0x20) 8681573Srgrimes return ATA_UDMA5; 8691573Srgrimes if (ap->udmamodes & 0x10) 8701573Srgrimes return ATA_UDMA4; 8711573Srgrimes if (ap->udmamodes & 0x08) 8721573Srgrimes return ATA_UDMA3; 87317508Sache if (ap->udmamodes & 0x04) 87417508Sache return ATA_UDMA2; 87517508Sache if (ap->udmamodes & 0x02) 87617508Sache return ATA_UDMA1; 87717508Sache if (ap->udmamodes & 0x01) 87817508Sache return ATA_UDMA0; 87917508Sache } 88017508Sache return -1; 88117508Sache} 88217508Sache 88317508Sacheint 88417508Sacheata_limit_mode(device_t dev, int mode, int maxmode) 88517508Sache{ 88617508Sache struct ata_device *atadev = device_get_softc(dev); 88717508Sache 88817508Sache if (maxmode && mode > maxmode) 88917508Sache mode = maxmode; 89017508Sache 89117508Sache if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0) 89217508Sache return min(mode, ata_umode(&atadev->param)); 89317508Sache 89417508Sache if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0) 89517508Sache return min(mode, ata_wmode(&atadev->param)); 89617508Sache 89717508Sache if (mode > ata_pmode(&atadev->param)) 89817508Sache return min(mode, ata_pmode(&atadev->param)); 89917508Sache 90017508Sache return mode; 90117508Sache} 90217508Sache 90317508Sachestatic void 90417508Sachebswap(int8_t *buf, int len) 90517508Sache{ 90617508Sache u_int16_t *ptr = (u_int16_t*)(buf + len); 90717508Sache 90817508Sache while (--ptr >= (u_int16_t*)buf) 90917508Sache *ptr = ntohs(*ptr); 91017508Sache} 91117508Sache 91217508Sachestatic void 91317508Sachebtrim(int8_t *buf, int len) 91417508Sache{ 91517508Sache int8_t *ptr; 91617508Sache 91717508Sache for (ptr = buf; ptr < buf+len; ++ptr) 91817508Sache if (!*ptr || *ptr == '_') 91917508Sache *ptr = ' '; 92017508Sache for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr) 92117508Sache *ptr = 0; 92217508Sache} 92317508Sache 92417508Sachestatic void 92517508Sachebpack(int8_t *src, int8_t *dst, int len) 92617508Sache{ 92717508Sache int i, j, blank; 92817508Sache 92917508Sache for (i = j = blank = 0 ; i < len; i++) { 93017508Sache if (blank && src[i] == ' ') continue; 93117508Sache if (blank && src[i] != ' ') { 93217508Sache dst[j++] = src[i]; 93317508Sache blank = 0; 93417508Sache continue; 93517508Sache } 9361573Srgrimes if (src[i] == ' ') { 9371573Srgrimes blank = 1; 93817508Sache if (i == 0) 9391573Srgrimes continue; 9401573Srgrimes } 9411573Srgrimes dst[j++] = src[i]; 9421573Srgrimes } 94392889Sobrien if (j < len) 9441573Srgrimes dst[j] = 0x00; 9451573Srgrimes} 9461573Srgrimes 9471573Srgrimes 9481573Srgrimes/* 94992889Sobrien * module handeling 95092889Sobrien */ 9511573Srgrimesstatic int 95292889Sobrienata_module_event_handler(module_t mod, int what, void *arg) 9531573Srgrimes{ 9541573Srgrimes static struct cdev *atacdev; 9551573Srgrimes 9561573Srgrimes switch (what) { 9571573Srgrimes case MOD_LOAD: 9581573Srgrimes /* register controlling device */ 9591573Srgrimes atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata"); 96092889Sobrien 9611573Srgrimes if (cold) { 9621573Srgrimes /* register boot attach to be run when interrupts are enabled */ 9631573Srgrimes if (!(ata_delayed_attach = (struct intr_config_hook *) 96492889Sobrien malloc(sizeof(struct intr_config_hook), 9651573Srgrimes M_TEMP, M_NOWAIT | M_ZERO))) { 96692889Sobrien printf("ata: malloc of delayed attach hook failed\n"); 9671573Srgrimes return EIO; 96817141Sjkh } 9691573Srgrimes ata_delayed_attach->ich_func = (void*)ata_boot_attach; 9701573Srgrimes if (config_intrhook_establish(ata_delayed_attach) != 0) { 9711573Srgrimes printf("ata: config_intrhook_establish failed\n"); 9721573Srgrimes free(ata_delayed_attach, M_TEMP); 9731573Srgrimes } 97417141Sjkh } 9751573Srgrimes return 0; 9761573Srgrimes 9771573Srgrimes case MOD_UNLOAD: 9781573Srgrimes /* deregister controlling device */ 9791573Srgrimes destroy_dev(atacdev); 98092889Sobrien return 0; 9811573Srgrimes 9821573Srgrimes default: 9831573Srgrimes return EOPNOTSUPP; 98492889Sobrien } 9851573Srgrimes} 9861573Srgrimes 98792889Sobrienstatic moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL }; 98892889SobrienDECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND); 98992889SobrienMODULE_VERSION(ata, 1); 9901573Srgrimes 9911573Srgrimesstatic void 9921573Srgrimesata_init(void) 9931573Srgrimes{ 9941573Srgrimes ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request), 9951573Srgrimes NULL, NULL, NULL, NULL, 0, 0); 9961573Srgrimes ata_composite_zone = uma_zcreate("ata_composite", 9971573Srgrimes sizeof(struct ata_composite), 9981573Srgrimes NULL, NULL, NULL, NULL, 0, 0); 9991573Srgrimes} 10001573SrgrimesSYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL); 10011573Srgrimes 10021573Srgrimesstatic void 10031573Srgrimesata_uninit(void) 10041573Srgrimes{ 10051573Srgrimes uma_zdestroy(ata_composite_zone); 10061573Srgrimes uma_zdestroy(ata_request_zone); 10071573Srgrimes} 10081573SrgrimesSYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL); 10091573Srgrimes