f5bcaec9aa
mode won't receive much benefit from it due to its hot-plug limitations.
1934 lines
53 KiB
C
1934 lines
53 KiB
C
/*-
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ata.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ata.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/endian.h>
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#include <sys/ctype.h>
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#include <sys/conf.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/malloc.h>
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#include <sys/sysctl.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/ata/ata-all.h>
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#include <dev/pci/pcivar.h>
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#include <ata_if.h>
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#ifdef ATA_CAM
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/cam_debug.h>
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#endif
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#ifndef ATA_CAM
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/* device structure */
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static d_ioctl_t ata_ioctl;
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static struct cdevsw ata_cdevsw = {
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.d_version = D_VERSION,
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.d_flags = D_NEEDGIANT, /* we need this as newbus isn't mpsafe */
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.d_ioctl = ata_ioctl,
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.d_name = "ata",
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};
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#endif
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/* prototypes */
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#ifndef ATA_CAM
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static void ata_boot_attach(void);
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static device_t ata_add_child(device_t, struct ata_device *, int);
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#else
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static void ataaction(struct cam_sim *sim, union ccb *ccb);
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static void atapoll(struct cam_sim *sim);
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#endif
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static void ata_conn_event(void *, int);
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static void bswap(int8_t *, int);
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static void btrim(int8_t *, int);
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static void bpack(int8_t *, int8_t *, int);
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static void ata_interrupt_locked(void *data);
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#ifdef ATA_CAM
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static void ata_periodic_poll(void *data);
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#endif
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/* global vars */
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MALLOC_DEFINE(M_ATA, "ata_generic", "ATA driver generic layer");
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int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data) = NULL;
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struct intr_config_hook *ata_delayed_attach = NULL;
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devclass_t ata_devclass;
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uma_zone_t ata_request_zone;
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uma_zone_t ata_composite_zone;
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int ata_wc = 1;
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int ata_setmax = 0;
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int ata_dma_check_80pin = 1;
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/* local vars */
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static int ata_dma = 1;
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static int atapi_dma = 1;
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/* sysctl vars */
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SYSCTL_NODE(_hw, OID_AUTO, ata, CTLFLAG_RD, 0, "ATA driver parameters");
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TUNABLE_INT("hw.ata.ata_dma", &ata_dma);
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SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma, CTLFLAG_RDTUN, &ata_dma, 0,
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"ATA disk DMA mode control");
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TUNABLE_INT("hw.ata.ata_dma_check_80pin", &ata_dma_check_80pin);
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SYSCTL_INT(_hw_ata, OID_AUTO, ata_dma_check_80pin,
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CTLFLAG_RW, &ata_dma_check_80pin, 1,
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"Check for 80pin cable before setting ATA DMA mode");
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TUNABLE_INT("hw.ata.atapi_dma", &atapi_dma);
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SYSCTL_INT(_hw_ata, OID_AUTO, atapi_dma, CTLFLAG_RDTUN, &atapi_dma, 0,
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"ATAPI device DMA mode control");
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TUNABLE_INT("hw.ata.wc", &ata_wc);
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SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RDTUN, &ata_wc, 0,
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"ATA disk write caching");
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TUNABLE_INT("hw.ata.setmax", &ata_setmax);
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SYSCTL_INT(_hw_ata, OID_AUTO, setmax, CTLFLAG_RDTUN, &ata_setmax, 0,
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"ATA disk set max native address");
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/*
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* newbus device interface related functions
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*/
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int
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ata_probe(device_t dev)
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{
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return 0;
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}
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int
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ata_attach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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int error, rid;
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#ifdef ATA_CAM
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struct cam_devq *devq;
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const char *res;
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char buf[64];
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int i, mode;
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#endif
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/* check that we have a virgin channel to attach */
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if (ch->r_irq)
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return EEXIST;
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/* initialize the softc basics */
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ch->dev = dev;
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ch->state = ATA_IDLE;
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bzero(&ch->state_mtx, sizeof(struct mtx));
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mtx_init(&ch->state_mtx, "ATA state lock", NULL, MTX_DEF);
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bzero(&ch->queue_mtx, sizeof(struct mtx));
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mtx_init(&ch->queue_mtx, "ATA queue lock", NULL, MTX_DEF);
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TAILQ_INIT(&ch->ata_queue);
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TASK_INIT(&ch->conntask, 0, ata_conn_event, dev);
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#ifdef ATA_CAM
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for (i = 0; i < 16; i++) {
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ch->user[i].mode = 0;
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snprintf(buf, sizeof(buf), "dev%d.mode", i);
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if (resource_string_value(device_get_name(dev),
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device_get_unit(dev), buf, &res) == 0)
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mode = ata_str2mode(res);
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else if (resource_string_value(device_get_name(dev),
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device_get_unit(dev), "mode", &res) == 0)
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mode = ata_str2mode(res);
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else
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mode = -1;
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if (mode >= 0)
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ch->user[i].mode = mode;
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if (ch->flags & ATA_SATA)
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ch->user[i].bytecount = 8192;
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else
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ch->user[i].bytecount = MAXPHYS;
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ch->user[i].caps = 0;
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ch->curr[i] = ch->user[i];
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if (ch->pm_level > 0)
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ch->user[i].caps |= CTS_SATA_CAPS_H_PMREQ;
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if (ch->pm_level > 1)
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ch->user[i].caps |= CTS_SATA_CAPS_D_PMREQ;
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}
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callout_init(&ch->poll_callout, 1);
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#endif
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/* reset the controller HW, the channel and device(s) */
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while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit)
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pause("ataatch", 1);
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#ifndef ATA_CAM
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ATA_RESET(dev);
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#endif
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ATA_LOCKING(dev, ATA_LF_UNLOCK);
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/* allocate DMA resources if DMA HW present*/
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if (ch->dma.alloc)
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ch->dma.alloc(dev);
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/* setup interrupt delivery */
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rid = ATA_IRQ_RID;
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ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
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RF_SHAREABLE | RF_ACTIVE);
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if (!ch->r_irq) {
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device_printf(dev, "unable to allocate interrupt\n");
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return ENXIO;
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}
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if ((error = bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
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ata_interrupt, ch, &ch->ih))) {
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bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq);
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device_printf(dev, "unable to setup interrupt\n");
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return error;
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}
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#ifndef ATA_CAM
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/* probe and attach devices on this channel unless we are in early boot */
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if (!ata_delayed_attach)
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ata_identify(dev);
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return (0);
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#else
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if (ch->flags & ATA_PERIODIC_POLL)
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callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
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mtx_lock(&ch->state_mtx);
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/* Create the device queue for our SIM. */
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devq = cam_simq_alloc(1);
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if (devq == NULL) {
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device_printf(dev, "Unable to allocate simq\n");
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error = ENOMEM;
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goto err1;
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}
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/* Construct SIM entry */
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ch->sim = cam_sim_alloc(ataaction, atapoll, "ata", ch,
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device_get_unit(dev), &ch->state_mtx, 1, 0, devq);
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if (ch->sim == NULL) {
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device_printf(dev, "unable to allocate sim\n");
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cam_simq_free(devq);
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error = ENOMEM;
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goto err1;
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}
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if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
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device_printf(dev, "unable to register xpt bus\n");
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error = ENXIO;
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goto err2;
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}
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if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
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CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
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device_printf(dev, "unable to create path\n");
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error = ENXIO;
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goto err3;
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}
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mtx_unlock(&ch->state_mtx);
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return (0);
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err3:
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xpt_bus_deregister(cam_sim_path(ch->sim));
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err2:
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cam_sim_free(ch->sim, /*free_devq*/TRUE);
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ch->sim = NULL;
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err1:
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bus_release_resource(dev, SYS_RES_IRQ, rid, ch->r_irq);
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mtx_unlock(&ch->state_mtx);
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if (ch->flags & ATA_PERIODIC_POLL)
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callout_drain(&ch->poll_callout);
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return (error);
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#endif
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}
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int
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ata_detach(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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#ifndef ATA_CAM
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device_t *children;
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int nchildren, i;
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#endif
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/* check that we have a valid channel to detach */
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if (!ch->r_irq)
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return ENXIO;
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/* grap the channel lock so no new requests gets launched */
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mtx_lock(&ch->state_mtx);
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ch->state |= ATA_STALL_QUEUE;
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mtx_unlock(&ch->state_mtx);
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#ifdef ATA_CAM
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if (ch->flags & ATA_PERIODIC_POLL)
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callout_drain(&ch->poll_callout);
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#endif
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#ifndef ATA_CAM
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/* detach & delete all children */
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if (!device_get_children(dev, &children, &nchildren)) {
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for (i = 0; i < nchildren; i++)
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if (children[i])
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device_delete_child(dev, children[i]);
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free(children, M_TEMP);
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}
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#endif
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taskqueue_drain(taskqueue_thread, &ch->conntask);
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#ifdef ATA_CAM
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mtx_lock(&ch->state_mtx);
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xpt_async(AC_LOST_DEVICE, ch->path, NULL);
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xpt_free_path(ch->path);
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xpt_bus_deregister(cam_sim_path(ch->sim));
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cam_sim_free(ch->sim, /*free_devq*/TRUE);
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ch->sim = NULL;
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mtx_unlock(&ch->state_mtx);
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#endif
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/* release resources */
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bus_teardown_intr(dev, ch->r_irq, ch->ih);
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bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
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ch->r_irq = NULL;
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/* free DMA resources if DMA HW present*/
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if (ch->dma.free)
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ch->dma.free(dev);
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mtx_destroy(&ch->state_mtx);
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mtx_destroy(&ch->queue_mtx);
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return 0;
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}
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static void
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ata_conn_event(void *context, int dummy)
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{
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device_t dev = (device_t)context;
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#ifdef ATA_CAM
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struct ata_channel *ch = device_get_softc(dev);
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union ccb *ccb;
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mtx_lock(&ch->state_mtx);
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if (ch->sim == NULL) {
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mtx_unlock(&ch->state_mtx);
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return;
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}
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ata_reinit(dev);
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if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
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return;
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if (xpt_create_path(&ccb->ccb_h.path, NULL,
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cam_sim_path(ch->sim),
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CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
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xpt_free_ccb(ccb);
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return;
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}
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xpt_rescan(ccb);
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mtx_unlock(&ch->state_mtx);
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#else
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ata_reinit(dev);
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#endif
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}
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int
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ata_reinit(device_t dev)
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{
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struct ata_channel *ch = device_get_softc(dev);
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struct ata_request *request;
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#ifndef ATA_CAM
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device_t *children;
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int nchildren, i;
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/* check that we have a valid channel to reinit */
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if (!ch || !ch->r_irq)
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return ENXIO;
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if (bootverbose)
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device_printf(dev, "reiniting channel ..\n");
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/* poll for locking the channel */
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while (ATA_LOCKING(dev, ATA_LF_LOCK) != ch->unit)
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pause("atarini", 1);
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/* catch eventual request in ch->running */
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mtx_lock(&ch->state_mtx);
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if (ch->state & ATA_STALL_QUEUE) {
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/* Recursive reinits and reinits during detach prohobited. */
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mtx_unlock(&ch->state_mtx);
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return (ENXIO);
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}
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if ((request = ch->running))
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callout_stop(&request->callout);
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ch->running = NULL;
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/* unconditionally grap the channel lock */
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ch->state |= ATA_STALL_QUEUE;
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mtx_unlock(&ch->state_mtx);
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/* reset the controller HW, the channel and device(s) */
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ATA_RESET(dev);
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/* reinit the children and delete any that fails */
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if (!device_get_children(dev, &children, &nchildren)) {
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mtx_lock(&Giant); /* newbus suckage it needs Giant */
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for (i = 0; i < nchildren; i++) {
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/* did any children go missing ? */
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if (children[i] && device_is_attached(children[i]) &&
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ATA_REINIT(children[i])) {
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/*
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* if we had a running request and its device matches
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* this child we need to inform the request that the
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* device is gone.
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*/
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if (request && request->dev == children[i]) {
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request->result = ENXIO;
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device_printf(request->dev, "FAILURE - device detached\n");
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/* if not timeout finish request here */
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if (!(request->flags & ATA_R_TIMEOUT))
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ata_finish(request);
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request = NULL;
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}
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device_delete_child(dev, children[i]);
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}
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}
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free(children, M_TEMP);
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mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */
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}
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/* if we still have a good request put it on the queue again */
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if (request && !(request->flags & ATA_R_TIMEOUT)) {
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device_printf(request->dev,
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"WARNING - %s requeued due to channel reset",
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ata_cmd2str(request));
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if (!(request->flags & (ATA_R_ATAPI | ATA_R_CONTROL)))
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printf(" LBA=%ju", request->u.ata.lba);
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printf("\n");
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request->flags |= ATA_R_REQUEUE;
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ata_queue_request(request);
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}
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/* we're done release the channel for new work */
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mtx_lock(&ch->state_mtx);
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ch->state = ATA_IDLE;
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mtx_unlock(&ch->state_mtx);
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ATA_LOCKING(dev, ATA_LF_UNLOCK);
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/* Add new children. */
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/* ata_identify(dev); */
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if (bootverbose)
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device_printf(dev, "reinit done ..\n");
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/* kick off requests on the queue */
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ata_start(dev);
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#else
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xpt_freeze_simq(ch->sim, 1);
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if ((request = ch->running)) {
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ch->running = NULL;
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if (ch->state == ATA_ACTIVE)
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ch->state = ATA_IDLE;
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callout_stop(&request->callout);
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if (ch->dma.unload)
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ch->dma.unload(request);
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request->result = ERESTART;
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ata_cam_end_transaction(dev, request);
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}
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/* reset the controller HW, the channel and device(s) */
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ATA_RESET(dev);
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/* Tell the XPT about the event */
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xpt_async(AC_BUS_RESET, ch->path, NULL);
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xpt_release_simq(ch->sim, TRUE);
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#endif
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return(0);
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}
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int
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ata_suspend(device_t dev)
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{
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struct ata_channel *ch;
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/* check for valid device */
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if (!dev || !(ch = device_get_softc(dev)))
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return ENXIO;
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#ifdef ATA_CAM
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if (ch->flags & ATA_PERIODIC_POLL)
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callout_drain(&ch->poll_callout);
|
|
mtx_lock(&ch->state_mtx);
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
while (ch->state != ATA_IDLE)
|
|
msleep(ch, &ch->state_mtx, PRIBIO, "atasusp", hz/100);
|
|
mtx_unlock(&ch->state_mtx);
|
|
#else
|
|
/* wait for the channel to be IDLE or detached before suspending */
|
|
while (ch->r_irq) {
|
|
mtx_lock(&ch->state_mtx);
|
|
if (ch->state == ATA_IDLE) {
|
|
ch->state = ATA_ACTIVE;
|
|
mtx_unlock(&ch->state_mtx);
|
|
break;
|
|
}
|
|
mtx_unlock(&ch->state_mtx);
|
|
tsleep(ch, PRIBIO, "atasusp", hz/10);
|
|
}
|
|
ATA_LOCKING(dev, ATA_LF_UNLOCK);
|
|
#endif
|
|
return(0);
|
|
}
|
|
|
|
int
|
|
ata_resume(device_t dev)
|
|
{
|
|
struct ata_channel *ch;
|
|
int error;
|
|
|
|
/* check for valid device */
|
|
if (!dev || !(ch = device_get_softc(dev)))
|
|
return ENXIO;
|
|
|
|
#ifdef ATA_CAM
|
|
mtx_lock(&ch->state_mtx);
|
|
error = ata_reinit(dev);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
mtx_unlock(&ch->state_mtx);
|
|
if (ch->flags & ATA_PERIODIC_POLL)
|
|
callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
|
|
#else
|
|
/* reinit the devices, we dont know what mode/state they are in */
|
|
error = ata_reinit(dev);
|
|
/* kick off requests on the queue */
|
|
ata_start(dev);
|
|
#endif
|
|
return error;
|
|
}
|
|
|
|
void
|
|
ata_interrupt(void *data)
|
|
{
|
|
#ifdef ATA_CAM
|
|
struct ata_channel *ch = (struct ata_channel *)data;
|
|
|
|
mtx_lock(&ch->state_mtx);
|
|
#endif
|
|
ata_interrupt_locked(data);
|
|
#ifdef ATA_CAM
|
|
mtx_unlock(&ch->state_mtx);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
ata_interrupt_locked(void *data)
|
|
{
|
|
struct ata_channel *ch = (struct ata_channel *)data;
|
|
struct ata_request *request;
|
|
|
|
#ifndef ATA_CAM
|
|
mtx_lock(&ch->state_mtx);
|
|
#endif
|
|
do {
|
|
/* ignore interrupt if its not for us */
|
|
if (ch->hw.status && !ch->hw.status(ch->dev))
|
|
break;
|
|
|
|
/* do we have a running request */
|
|
if (!(request = ch->running))
|
|
break;
|
|
|
|
ATA_DEBUG_RQ(request, "interrupt");
|
|
|
|
/* safetycheck for the right state */
|
|
if (ch->state == ATA_IDLE) {
|
|
device_printf(request->dev, "interrupt on idle channel ignored\n");
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* we have the HW locks, so end the transaction for this request
|
|
* if it finishes immediately otherwise wait for next interrupt
|
|
*/
|
|
if (ch->hw.end_transaction(request) == ATA_OP_FINISHED) {
|
|
ch->running = NULL;
|
|
if (ch->state == ATA_ACTIVE)
|
|
ch->state = ATA_IDLE;
|
|
#ifdef ATA_CAM
|
|
ata_cam_end_transaction(ch->dev, request);
|
|
#else
|
|
mtx_unlock(&ch->state_mtx);
|
|
ATA_LOCKING(ch->dev, ATA_LF_UNLOCK);
|
|
ata_finish(request);
|
|
#endif
|
|
return;
|
|
}
|
|
} while (0);
|
|
#ifndef ATA_CAM
|
|
mtx_unlock(&ch->state_mtx);
|
|
#endif
|
|
}
|
|
|
|
#ifdef ATA_CAM
|
|
static void
|
|
ata_periodic_poll(void *data)
|
|
{
|
|
struct ata_channel *ch = (struct ata_channel *)data;
|
|
|
|
callout_reset(&ch->poll_callout, hz, ata_periodic_poll, ch);
|
|
ata_interrupt(ch);
|
|
}
|
|
#endif
|
|
|
|
void
|
|
ata_print_cable(device_t dev, u_int8_t *who)
|
|
{
|
|
device_printf(dev,
|
|
"DMA limited to UDMA33, %s found non-ATA66 cable\n", who);
|
|
}
|
|
|
|
int
|
|
ata_check_80pin(device_t dev, int mode)
|
|
{
|
|
struct ata_device *atadev = device_get_softc(dev);
|
|
|
|
if (!ata_dma_check_80pin) {
|
|
if (bootverbose)
|
|
device_printf(dev, "Skipping 80pin cable check\n");
|
|
return mode;
|
|
}
|
|
|
|
if (mode > ATA_UDMA2 && !(atadev->param.hwres & ATA_CABLE_ID)) {
|
|
ata_print_cable(dev, "device");
|
|
mode = ATA_UDMA2;
|
|
}
|
|
return mode;
|
|
}
|
|
|
|
void
|
|
ata_setmode(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
|
|
struct ata_device *atadev = device_get_softc(dev);
|
|
int error, mode, pmode;
|
|
|
|
mode = atadev->mode;
|
|
do {
|
|
pmode = mode = ata_limit_mode(dev, mode, ATA_DMA_MAX);
|
|
mode = ATA_SETMODE(device_get_parent(dev), atadev->unit, mode);
|
|
if ((ch->flags & (ATA_CHECKS_CABLE | ATA_SATA)) == 0)
|
|
mode = ata_check_80pin(dev, mode);
|
|
} while (pmode != mode); /* Interate till successfull negotiation. */
|
|
error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0, mode);
|
|
if (bootverbose)
|
|
device_printf(dev, "%ssetting %s\n",
|
|
(error) ? "FAILURE " : "", ata_mode2str(mode));
|
|
atadev->mode = mode;
|
|
}
|
|
|
|
/*
|
|
* device related interfaces
|
|
*/
|
|
#ifndef ATA_CAM
|
|
static int
|
|
ata_ioctl(struct cdev *dev, u_long cmd, caddr_t data,
|
|
int32_t flag, struct thread *td)
|
|
{
|
|
device_t device, *children;
|
|
struct ata_ioc_devices *devices = (struct ata_ioc_devices *)data;
|
|
int *value = (int *)data;
|
|
int i, nchildren, error = ENOTTY;
|
|
|
|
switch (cmd) {
|
|
case IOCATAGMAXCHANNEL:
|
|
/* In case we have channel 0..n this will return n+1. */
|
|
*value = devclass_get_maxunit(ata_devclass);
|
|
error = 0;
|
|
break;
|
|
|
|
case IOCATAREINIT:
|
|
if (*value >= devclass_get_maxunit(ata_devclass) ||
|
|
!(device = devclass_get_device(ata_devclass, *value)) ||
|
|
!device_is_attached(device))
|
|
return ENXIO;
|
|
error = ata_reinit(device);
|
|
break;
|
|
|
|
case IOCATAATTACH:
|
|
if (*value >= devclass_get_maxunit(ata_devclass) ||
|
|
!(device = devclass_get_device(ata_devclass, *value)) ||
|
|
!device_is_attached(device))
|
|
return ENXIO;
|
|
error = DEVICE_ATTACH(device);
|
|
break;
|
|
|
|
case IOCATADETACH:
|
|
if (*value >= devclass_get_maxunit(ata_devclass) ||
|
|
!(device = devclass_get_device(ata_devclass, *value)) ||
|
|
!device_is_attached(device))
|
|
return ENXIO;
|
|
error = DEVICE_DETACH(device);
|
|
break;
|
|
|
|
case IOCATADEVICES:
|
|
if (devices->channel >= devclass_get_maxunit(ata_devclass) ||
|
|
!(device = devclass_get_device(ata_devclass, devices->channel)) ||
|
|
!device_is_attached(device))
|
|
return ENXIO;
|
|
bzero(devices->name[0], 32);
|
|
bzero(&devices->params[0], sizeof(struct ata_params));
|
|
bzero(devices->name[1], 32);
|
|
bzero(&devices->params[1], sizeof(struct ata_params));
|
|
if (!device_get_children(device, &children, &nchildren)) {
|
|
for (i = 0; i < nchildren; i++) {
|
|
if (children[i] && device_is_attached(children[i])) {
|
|
struct ata_device *atadev = device_get_softc(children[i]);
|
|
|
|
if (atadev->unit == ATA_MASTER) { /* XXX SOS PM */
|
|
strncpy(devices->name[0],
|
|
device_get_nameunit(children[i]), 32);
|
|
bcopy(&atadev->param, &devices->params[0],
|
|
sizeof(struct ata_params));
|
|
}
|
|
if (atadev->unit == ATA_SLAVE) { /* XXX SOS PM */
|
|
strncpy(devices->name[1],
|
|
device_get_nameunit(children[i]), 32);
|
|
bcopy(&atadev->param, &devices->params[1],
|
|
sizeof(struct ata_params));
|
|
}
|
|
}
|
|
}
|
|
free(children, M_TEMP);
|
|
error = 0;
|
|
}
|
|
else
|
|
error = ENODEV;
|
|
break;
|
|
|
|
default:
|
|
if (ata_raid_ioctl_func)
|
|
error = ata_raid_ioctl_func(cmd, data);
|
|
}
|
|
return error;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
ata_device_ioctl(device_t dev, u_long cmd, caddr_t data)
|
|
{
|
|
struct ata_device *atadev = device_get_softc(dev);
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
|
|
struct ata_ioc_request *ioc_request = (struct ata_ioc_request *)data;
|
|
struct ata_params *params = (struct ata_params *)data;
|
|
int *mode = (int *)data;
|
|
struct ata_request *request;
|
|
caddr_t buf;
|
|
int error;
|
|
|
|
switch (cmd) {
|
|
case IOCATAREQUEST:
|
|
if (ioc_request->count >
|
|
(ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS)) {
|
|
return (EFBIG);
|
|
}
|
|
if (!(buf = malloc(ioc_request->count, M_ATA, M_NOWAIT))) {
|
|
return ENOMEM;
|
|
}
|
|
if (!(request = ata_alloc_request())) {
|
|
free(buf, M_ATA);
|
|
return ENOMEM;
|
|
}
|
|
request->dev = atadev->dev;
|
|
if (ioc_request->flags & ATA_CMD_WRITE) {
|
|
error = copyin(ioc_request->data, buf, ioc_request->count);
|
|
if (error) {
|
|
free(buf, M_ATA);
|
|
ata_free_request(request);
|
|
return error;
|
|
}
|
|
}
|
|
if (ioc_request->flags & ATA_CMD_ATAPI) {
|
|
request->flags = ATA_R_ATAPI;
|
|
bcopy(ioc_request->u.atapi.ccb, request->u.atapi.ccb, 16);
|
|
}
|
|
else {
|
|
request->u.ata.command = ioc_request->u.ata.command;
|
|
request->u.ata.feature = ioc_request->u.ata.feature;
|
|
request->u.ata.lba = ioc_request->u.ata.lba;
|
|
request->u.ata.count = ioc_request->u.ata.count;
|
|
}
|
|
request->timeout = ioc_request->timeout;
|
|
request->data = buf;
|
|
request->bytecount = ioc_request->count;
|
|
request->transfersize = request->bytecount;
|
|
if (ioc_request->flags & ATA_CMD_CONTROL)
|
|
request->flags |= ATA_R_CONTROL;
|
|
if (ioc_request->flags & ATA_CMD_READ)
|
|
request->flags |= ATA_R_READ;
|
|
if (ioc_request->flags & ATA_CMD_WRITE)
|
|
request->flags |= ATA_R_WRITE;
|
|
ata_queue_request(request);
|
|
if (request->flags & ATA_R_ATAPI) {
|
|
bcopy(&request->u.atapi.sense, &ioc_request->u.atapi.sense,
|
|
sizeof(struct atapi_sense));
|
|
}
|
|
else {
|
|
ioc_request->u.ata.command = request->u.ata.command;
|
|
ioc_request->u.ata.feature = request->u.ata.feature;
|
|
ioc_request->u.ata.lba = request->u.ata.lba;
|
|
ioc_request->u.ata.count = request->u.ata.count;
|
|
}
|
|
ioc_request->error = request->result;
|
|
if (ioc_request->flags & ATA_CMD_READ)
|
|
error = copyout(buf, ioc_request->data, ioc_request->count);
|
|
else
|
|
error = 0;
|
|
free(buf, M_ATA);
|
|
ata_free_request(request);
|
|
return error;
|
|
|
|
case IOCATAGPARM:
|
|
ata_getparam(atadev, 0);
|
|
bcopy(&atadev->param, params, sizeof(struct ata_params));
|
|
return 0;
|
|
|
|
case IOCATASMODE:
|
|
atadev->mode = *mode;
|
|
ata_setmode(dev);
|
|
return 0;
|
|
|
|
case IOCATAGMODE:
|
|
*mode = atadev->mode |
|
|
(ATA_GETREV(device_get_parent(dev), atadev->unit) << 8);
|
|
return 0;
|
|
case IOCATASSPINDOWN:
|
|
atadev->spindown = *mode;
|
|
return 0;
|
|
case IOCATAGSPINDOWN:
|
|
*mode = atadev->spindown;
|
|
return 0;
|
|
default:
|
|
return ENOTTY;
|
|
}
|
|
}
|
|
|
|
#ifndef ATA_CAM
|
|
static void
|
|
ata_boot_attach(void)
|
|
{
|
|
struct ata_channel *ch;
|
|
int ctlr;
|
|
|
|
mtx_lock(&Giant); /* newbus suckage it needs Giant */
|
|
|
|
/* kick of probe and attach on all channels */
|
|
for (ctlr = 0; ctlr < devclass_get_maxunit(ata_devclass); ctlr++) {
|
|
if ((ch = devclass_get_softc(ata_devclass, ctlr))) {
|
|
ata_identify(ch->dev);
|
|
}
|
|
}
|
|
|
|
/* release the hook that got us here, we are only needed once during boot */
|
|
if (ata_delayed_attach) {
|
|
config_intrhook_disestablish(ata_delayed_attach);
|
|
free(ata_delayed_attach, M_TEMP);
|
|
ata_delayed_attach = NULL;
|
|
}
|
|
|
|
mtx_unlock(&Giant); /* newbus suckage dealt with, release Giant */
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* misc support functions
|
|
*/
|
|
#ifndef ATA_CAM
|
|
static device_t
|
|
ata_add_child(device_t parent, struct ata_device *atadev, int unit)
|
|
{
|
|
device_t child;
|
|
|
|
if ((child = device_add_child(parent, NULL, unit))) {
|
|
device_set_softc(child, atadev);
|
|
device_quiet(child);
|
|
atadev->dev = child;
|
|
atadev->max_iosize = DEV_BSIZE;
|
|
atadev->mode = ATA_PIO_MAX;
|
|
}
|
|
return child;
|
|
}
|
|
#endif
|
|
|
|
int
|
|
ata_getparam(struct ata_device *atadev, int init)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev));
|
|
struct ata_request *request;
|
|
const char *res;
|
|
char buf[64];
|
|
u_int8_t command = 0;
|
|
int error = ENOMEM, retries = 2, mode = -1;
|
|
|
|
if (ch->devices & (ATA_ATA_MASTER << atadev->unit))
|
|
command = ATA_ATA_IDENTIFY;
|
|
if (ch->devices & (ATA_ATAPI_MASTER << atadev->unit))
|
|
command = ATA_ATAPI_IDENTIFY;
|
|
if (!command)
|
|
return ENXIO;
|
|
|
|
while (retries-- > 0 && error) {
|
|
if (!(request = ata_alloc_request()))
|
|
break;
|
|
request->dev = atadev->dev;
|
|
request->timeout = 1;
|
|
request->retries = 0;
|
|
request->u.ata.command = command;
|
|
request->flags = (ATA_R_READ|ATA_R_AT_HEAD|ATA_R_DIRECT);
|
|
if (!bootverbose)
|
|
request->flags |= ATA_R_QUIET;
|
|
request->data = (void *)&atadev->param;
|
|
request->bytecount = sizeof(struct ata_params);
|
|
request->donecount = 0;
|
|
request->transfersize = DEV_BSIZE;
|
|
ata_queue_request(request);
|
|
error = request->result;
|
|
ata_free_request(request);
|
|
}
|
|
|
|
if (!error && (isprint(atadev->param.model[0]) ||
|
|
isprint(atadev->param.model[1]))) {
|
|
struct ata_params *atacap = &atadev->param;
|
|
int16_t *ptr;
|
|
|
|
for (ptr = (int16_t *)atacap;
|
|
ptr < (int16_t *)atacap + sizeof(struct ata_params)/2; ptr++) {
|
|
*ptr = le16toh(*ptr);
|
|
}
|
|
if (!(!strncmp(atacap->model, "FX", 2) ||
|
|
!strncmp(atacap->model, "NEC", 3) ||
|
|
!strncmp(atacap->model, "Pioneer", 7) ||
|
|
!strncmp(atacap->model, "SHARP", 5))) {
|
|
bswap(atacap->model, sizeof(atacap->model));
|
|
bswap(atacap->revision, sizeof(atacap->revision));
|
|
bswap(atacap->serial, sizeof(atacap->serial));
|
|
}
|
|
btrim(atacap->model, sizeof(atacap->model));
|
|
bpack(atacap->model, atacap->model, sizeof(atacap->model));
|
|
btrim(atacap->revision, sizeof(atacap->revision));
|
|
bpack(atacap->revision, atacap->revision, sizeof(atacap->revision));
|
|
btrim(atacap->serial, sizeof(atacap->serial));
|
|
bpack(atacap->serial, atacap->serial, sizeof(atacap->serial));
|
|
|
|
if (bootverbose)
|
|
printf("ata%d-%s: pio=%s wdma=%s udma=%s cable=%s wire\n",
|
|
device_get_unit(ch->dev),
|
|
ata_unit2str(atadev),
|
|
ata_mode2str(ata_pmode(atacap)),
|
|
ata_mode2str(ata_wmode(atacap)),
|
|
ata_mode2str(ata_umode(atacap)),
|
|
(atacap->hwres & ATA_CABLE_ID) ? "80":"40");
|
|
|
|
if (init) {
|
|
char buffer[64];
|
|
|
|
sprintf(buffer, "%.40s/%.8s", atacap->model, atacap->revision);
|
|
device_set_desc_copy(atadev->dev, buffer);
|
|
if ((atadev->param.config & ATA_PROTO_ATAPI) &&
|
|
(atadev->param.config != ATA_CFA_MAGIC1) &&
|
|
(atadev->param.config != ATA_CFA_MAGIC2)) {
|
|
if (atapi_dma &&
|
|
(atadev->param.config & ATA_DRQ_MASK) != ATA_DRQ_INTR &&
|
|
ata_umode(&atadev->param) >= ATA_UDMA2)
|
|
atadev->mode = ATA_DMA_MAX;
|
|
}
|
|
else {
|
|
if (ata_dma &&
|
|
(ata_umode(&atadev->param) > 0 ||
|
|
ata_wmode(&atadev->param) > 0))
|
|
atadev->mode = ATA_DMA_MAX;
|
|
}
|
|
snprintf(buf, sizeof(buf), "dev%d.mode", atadev->unit);
|
|
if (resource_string_value(device_get_name(ch->dev),
|
|
device_get_unit(ch->dev), buf, &res) == 0)
|
|
mode = ata_str2mode(res);
|
|
else if (resource_string_value(device_get_name(ch->dev),
|
|
device_get_unit(ch->dev), "mode", &res) == 0)
|
|
mode = ata_str2mode(res);
|
|
if (mode >= 0)
|
|
atadev->mode = mode;
|
|
}
|
|
}
|
|
else {
|
|
if (!error)
|
|
error = ENXIO;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
#ifndef ATA_CAM
|
|
int
|
|
ata_identify(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
struct ata_device *atadev;
|
|
device_t *children;
|
|
device_t child, master = NULL;
|
|
int nchildren, i, n = ch->devices;
|
|
|
|
if (bootverbose)
|
|
device_printf(dev, "Identifying devices: %08x\n", ch->devices);
|
|
|
|
mtx_lock(&Giant);
|
|
/* Skip existing devices. */
|
|
if (!device_get_children(dev, &children, &nchildren)) {
|
|
for (i = 0; i < nchildren; i++) {
|
|
if (children[i] && (atadev = device_get_softc(children[i])))
|
|
n &= ~((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << atadev->unit);
|
|
}
|
|
free(children, M_TEMP);
|
|
}
|
|
/* Create new devices. */
|
|
if (bootverbose)
|
|
device_printf(dev, "New devices: %08x\n", n);
|
|
if (n == 0) {
|
|
mtx_unlock(&Giant);
|
|
return (0);
|
|
}
|
|
for (i = 0; i < ATA_PM; ++i) {
|
|
if (n & (((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << i))) {
|
|
int unit = -1;
|
|
|
|
if (!(atadev = malloc(sizeof(struct ata_device),
|
|
M_ATA, M_NOWAIT | M_ZERO))) {
|
|
device_printf(dev, "out of memory\n");
|
|
return ENOMEM;
|
|
}
|
|
atadev->unit = i;
|
|
#ifdef ATA_STATIC_ID
|
|
if (n & (ATA_ATA_MASTER << i))
|
|
unit = (device_get_unit(dev) << 1) + i;
|
|
#endif
|
|
if ((child = ata_add_child(dev, atadev, unit))) {
|
|
/*
|
|
* PATA slave should be identified first, to allow
|
|
* device cable detection on master to work properly.
|
|
*/
|
|
if (i == 0 && (n & ATA_PORTMULTIPLIER) == 0 &&
|
|
(n & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER) << 1)) != 0) {
|
|
master = child;
|
|
continue;
|
|
}
|
|
if (ata_getparam(atadev, 1)) {
|
|
device_delete_child(dev, child);
|
|
free(atadev, M_ATA);
|
|
}
|
|
}
|
|
else
|
|
free(atadev, M_ATA);
|
|
}
|
|
}
|
|
if (master) {
|
|
atadev = device_get_softc(master);
|
|
if (ata_getparam(atadev, 1)) {
|
|
device_delete_child(dev, master);
|
|
free(atadev, M_ATA);
|
|
}
|
|
}
|
|
bus_generic_probe(dev);
|
|
bus_generic_attach(dev);
|
|
mtx_unlock(&Giant);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
void
|
|
ata_default_registers(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
/* fill in the defaults from whats setup already */
|
|
ch->r_io[ATA_ERROR].res = ch->r_io[ATA_FEATURE].res;
|
|
ch->r_io[ATA_ERROR].offset = ch->r_io[ATA_FEATURE].offset;
|
|
ch->r_io[ATA_IREASON].res = ch->r_io[ATA_COUNT].res;
|
|
ch->r_io[ATA_IREASON].offset = ch->r_io[ATA_COUNT].offset;
|
|
ch->r_io[ATA_STATUS].res = ch->r_io[ATA_COMMAND].res;
|
|
ch->r_io[ATA_STATUS].offset = ch->r_io[ATA_COMMAND].offset;
|
|
ch->r_io[ATA_ALTSTAT].res = ch->r_io[ATA_CONTROL].res;
|
|
ch->r_io[ATA_ALTSTAT].offset = ch->r_io[ATA_CONTROL].offset;
|
|
}
|
|
|
|
void
|
|
ata_modify_if_48bit(struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(request->parent);
|
|
struct ata_device *atadev = device_get_softc(request->dev);
|
|
|
|
request->flags &= ~ATA_R_48BIT;
|
|
|
|
if (((request->u.ata.lba + request->u.ata.count) >= ATA_MAX_28BIT_LBA ||
|
|
request->u.ata.count > 256) &&
|
|
atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) {
|
|
|
|
/* translate command into 48bit version */
|
|
switch (request->u.ata.command) {
|
|
case ATA_READ:
|
|
request->u.ata.command = ATA_READ48;
|
|
break;
|
|
case ATA_READ_MUL:
|
|
request->u.ata.command = ATA_READ_MUL48;
|
|
break;
|
|
case ATA_READ_DMA:
|
|
if (ch->flags & ATA_NO_48BIT_DMA) {
|
|
if (request->transfersize > DEV_BSIZE)
|
|
request->u.ata.command = ATA_READ_MUL48;
|
|
else
|
|
request->u.ata.command = ATA_READ48;
|
|
request->flags &= ~ATA_R_DMA;
|
|
}
|
|
else
|
|
request->u.ata.command = ATA_READ_DMA48;
|
|
break;
|
|
case ATA_READ_DMA_QUEUED:
|
|
if (ch->flags & ATA_NO_48BIT_DMA) {
|
|
if (request->transfersize > DEV_BSIZE)
|
|
request->u.ata.command = ATA_READ_MUL48;
|
|
else
|
|
request->u.ata.command = ATA_READ48;
|
|
request->flags &= ~ATA_R_DMA;
|
|
}
|
|
else
|
|
request->u.ata.command = ATA_READ_DMA_QUEUED48;
|
|
break;
|
|
case ATA_WRITE:
|
|
request->u.ata.command = ATA_WRITE48;
|
|
break;
|
|
case ATA_WRITE_MUL:
|
|
request->u.ata.command = ATA_WRITE_MUL48;
|
|
break;
|
|
case ATA_WRITE_DMA:
|
|
if (ch->flags & ATA_NO_48BIT_DMA) {
|
|
if (request->transfersize > DEV_BSIZE)
|
|
request->u.ata.command = ATA_WRITE_MUL48;
|
|
else
|
|
request->u.ata.command = ATA_WRITE48;
|
|
request->flags &= ~ATA_R_DMA;
|
|
}
|
|
else
|
|
request->u.ata.command = ATA_WRITE_DMA48;
|
|
break;
|
|
case ATA_WRITE_DMA_QUEUED:
|
|
if (ch->flags & ATA_NO_48BIT_DMA) {
|
|
if (request->transfersize > DEV_BSIZE)
|
|
request->u.ata.command = ATA_WRITE_MUL48;
|
|
else
|
|
request->u.ata.command = ATA_WRITE48;
|
|
request->u.ata.command = ATA_WRITE48;
|
|
request->flags &= ~ATA_R_DMA;
|
|
}
|
|
else
|
|
request->u.ata.command = ATA_WRITE_DMA_QUEUED48;
|
|
break;
|
|
case ATA_FLUSHCACHE:
|
|
request->u.ata.command = ATA_FLUSHCACHE48;
|
|
break;
|
|
case ATA_SET_MAX_ADDRESS:
|
|
request->u.ata.command = ATA_SET_MAX_ADDRESS48;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
request->flags |= ATA_R_48BIT;
|
|
}
|
|
else if (atadev->param.support.command2 & ATA_SUPPORT_ADDRESS48) {
|
|
|
|
/* translate command into 48bit version */
|
|
switch (request->u.ata.command) {
|
|
case ATA_FLUSHCACHE:
|
|
request->u.ata.command = ATA_FLUSHCACHE48;
|
|
break;
|
|
case ATA_READ_NATIVE_MAX_ADDRESS:
|
|
request->u.ata.command = ATA_READ_NATIVE_MAX_ADDRESS48;
|
|
break;
|
|
case ATA_SET_MAX_ADDRESS:
|
|
request->u.ata.command = ATA_SET_MAX_ADDRESS48;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
request->flags |= ATA_R_48BIT;
|
|
}
|
|
}
|
|
|
|
void
|
|
ata_udelay(int interval)
|
|
{
|
|
/* for now just use DELAY, the timer/sleep subsytems are not there yet */
|
|
if (1 || interval < (1000000/hz) || ata_delayed_attach)
|
|
DELAY(interval);
|
|
else
|
|
pause("ataslp", interval/(1000000/hz));
|
|
}
|
|
|
|
char *
|
|
ata_unit2str(struct ata_device *atadev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(device_get_parent(atadev->dev));
|
|
static char str[8];
|
|
|
|
if (ch->devices & ATA_PORTMULTIPLIER)
|
|
sprintf(str, "port%d", atadev->unit);
|
|
else
|
|
sprintf(str, "%s", atadev->unit == ATA_MASTER ? "master" : "slave");
|
|
return str;
|
|
}
|
|
|
|
const char *
|
|
ata_mode2str(int mode)
|
|
{
|
|
switch (mode) {
|
|
case -1: return "UNSUPPORTED";
|
|
case ATA_PIO0: return "PIO0";
|
|
case ATA_PIO1: return "PIO1";
|
|
case ATA_PIO2: return "PIO2";
|
|
case ATA_PIO3: return "PIO3";
|
|
case ATA_PIO4: return "PIO4";
|
|
case ATA_WDMA0: return "WDMA0";
|
|
case ATA_WDMA1: return "WDMA1";
|
|
case ATA_WDMA2: return "WDMA2";
|
|
case ATA_UDMA0: return "UDMA16";
|
|
case ATA_UDMA1: return "UDMA25";
|
|
case ATA_UDMA2: return "UDMA33";
|
|
case ATA_UDMA3: return "UDMA40";
|
|
case ATA_UDMA4: return "UDMA66";
|
|
case ATA_UDMA5: return "UDMA100";
|
|
case ATA_UDMA6: return "UDMA133";
|
|
case ATA_SA150: return "SATA150";
|
|
case ATA_SA300: return "SATA300";
|
|
default:
|
|
if (mode & ATA_DMA_MASK)
|
|
return "BIOSDMA";
|
|
else
|
|
return "BIOSPIO";
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_str2mode(const char *str)
|
|
{
|
|
|
|
if (!strcasecmp(str, "PIO0")) return (ATA_PIO0);
|
|
if (!strcasecmp(str, "PIO1")) return (ATA_PIO1);
|
|
if (!strcasecmp(str, "PIO2")) return (ATA_PIO2);
|
|
if (!strcasecmp(str, "PIO3")) return (ATA_PIO3);
|
|
if (!strcasecmp(str, "PIO4")) return (ATA_PIO4);
|
|
if (!strcasecmp(str, "WDMA0")) return (ATA_WDMA0);
|
|
if (!strcasecmp(str, "WDMA1")) return (ATA_WDMA1);
|
|
if (!strcasecmp(str, "WDMA2")) return (ATA_WDMA2);
|
|
if (!strcasecmp(str, "UDMA0")) return (ATA_UDMA0);
|
|
if (!strcasecmp(str, "UDMA16")) return (ATA_UDMA0);
|
|
if (!strcasecmp(str, "UDMA1")) return (ATA_UDMA1);
|
|
if (!strcasecmp(str, "UDMA25")) return (ATA_UDMA1);
|
|
if (!strcasecmp(str, "UDMA2")) return (ATA_UDMA2);
|
|
if (!strcasecmp(str, "UDMA33")) return (ATA_UDMA2);
|
|
if (!strcasecmp(str, "UDMA3")) return (ATA_UDMA3);
|
|
if (!strcasecmp(str, "UDMA44")) return (ATA_UDMA3);
|
|
if (!strcasecmp(str, "UDMA4")) return (ATA_UDMA4);
|
|
if (!strcasecmp(str, "UDMA66")) return (ATA_UDMA4);
|
|
if (!strcasecmp(str, "UDMA5")) return (ATA_UDMA5);
|
|
if (!strcasecmp(str, "UDMA100")) return (ATA_UDMA5);
|
|
if (!strcasecmp(str, "UDMA6")) return (ATA_UDMA6);
|
|
if (!strcasecmp(str, "UDMA133")) return (ATA_UDMA6);
|
|
return (-1);
|
|
}
|
|
|
|
const char *
|
|
ata_satarev2str(int rev)
|
|
{
|
|
switch (rev) {
|
|
case 0: return "";
|
|
case 1: return "SATA 1.5Gb/s";
|
|
case 2: return "SATA 3Gb/s";
|
|
case 3: return "SATA 6Gb/s";
|
|
case 0xff: return "SATA";
|
|
default: return "???";
|
|
}
|
|
}
|
|
|
|
int
|
|
ata_atapi(device_t dev, int target)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
return (ch->devices & (ATA_ATAPI_MASTER << target));
|
|
}
|
|
|
|
int
|
|
ata_pmode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_64_70) {
|
|
if (ap->apiomodes & 0x02)
|
|
return ATA_PIO4;
|
|
if (ap->apiomodes & 0x01)
|
|
return ATA_PIO3;
|
|
}
|
|
if (ap->mwdmamodes & 0x04)
|
|
return ATA_PIO4;
|
|
if (ap->mwdmamodes & 0x02)
|
|
return ATA_PIO3;
|
|
if (ap->mwdmamodes & 0x01)
|
|
return ATA_PIO2;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x200)
|
|
return ATA_PIO2;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x100)
|
|
return ATA_PIO1;
|
|
if ((ap->retired_piomode & ATA_RETIRED_PIO_MASK) == 0x000)
|
|
return ATA_PIO0;
|
|
return ATA_PIO0;
|
|
}
|
|
|
|
int
|
|
ata_wmode(struct ata_params *ap)
|
|
{
|
|
if (ap->mwdmamodes & 0x04)
|
|
return ATA_WDMA2;
|
|
if (ap->mwdmamodes & 0x02)
|
|
return ATA_WDMA1;
|
|
if (ap->mwdmamodes & 0x01)
|
|
return ATA_WDMA0;
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_umode(struct ata_params *ap)
|
|
{
|
|
if (ap->atavalid & ATA_FLAG_88) {
|
|
if (ap->udmamodes & 0x40)
|
|
return ATA_UDMA6;
|
|
if (ap->udmamodes & 0x20)
|
|
return ATA_UDMA5;
|
|
if (ap->udmamodes & 0x10)
|
|
return ATA_UDMA4;
|
|
if (ap->udmamodes & 0x08)
|
|
return ATA_UDMA3;
|
|
if (ap->udmamodes & 0x04)
|
|
return ATA_UDMA2;
|
|
if (ap->udmamodes & 0x02)
|
|
return ATA_UDMA1;
|
|
if (ap->udmamodes & 0x01)
|
|
return ATA_UDMA0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
int
|
|
ata_limit_mode(device_t dev, int mode, int maxmode)
|
|
{
|
|
struct ata_device *atadev = device_get_softc(dev);
|
|
|
|
if (maxmode && mode > maxmode)
|
|
mode = maxmode;
|
|
|
|
if (mode >= ATA_UDMA0 && ata_umode(&atadev->param) > 0)
|
|
return min(mode, ata_umode(&atadev->param));
|
|
|
|
if (mode >= ATA_WDMA0 && ata_wmode(&atadev->param) > 0)
|
|
return min(mode, ata_wmode(&atadev->param));
|
|
|
|
if (mode > ata_pmode(&atadev->param))
|
|
return min(mode, ata_pmode(&atadev->param));
|
|
|
|
return mode;
|
|
}
|
|
|
|
static void
|
|
bswap(int8_t *buf, int len)
|
|
{
|
|
u_int16_t *ptr = (u_int16_t*)(buf + len);
|
|
|
|
while (--ptr >= (u_int16_t*)buf)
|
|
*ptr = ntohs(*ptr);
|
|
}
|
|
|
|
static void
|
|
btrim(int8_t *buf, int len)
|
|
{
|
|
int8_t *ptr;
|
|
|
|
for (ptr = buf; ptr < buf+len; ++ptr)
|
|
if (!*ptr || *ptr == '_')
|
|
*ptr = ' ';
|
|
for (ptr = buf + len - 1; ptr >= buf && *ptr == ' '; --ptr)
|
|
*ptr = 0;
|
|
}
|
|
|
|
static void
|
|
bpack(int8_t *src, int8_t *dst, int len)
|
|
{
|
|
int i, j, blank;
|
|
|
|
for (i = j = blank = 0 ; i < len; i++) {
|
|
if (blank && src[i] == ' ') continue;
|
|
if (blank && src[i] != ' ') {
|
|
dst[j++] = src[i];
|
|
blank = 0;
|
|
continue;
|
|
}
|
|
if (src[i] == ' ') {
|
|
blank = 1;
|
|
if (i == 0)
|
|
continue;
|
|
}
|
|
dst[j++] = src[i];
|
|
}
|
|
if (j < len)
|
|
dst[j] = 0x00;
|
|
}
|
|
|
|
#ifdef ATA_CAM
|
|
void
|
|
ata_cam_begin_transaction(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
struct ata_request *request;
|
|
|
|
if (!(request = ata_alloc_request())) {
|
|
device_printf(dev, "FAILURE - out of memory in start\n");
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
bzero(request, sizeof(*request));
|
|
|
|
/* setup request */
|
|
request->dev = NULL;
|
|
request->parent = dev;
|
|
request->unit = ccb->ccb_h.target_id;
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
request->data = ccb->ataio.data_ptr;
|
|
request->bytecount = ccb->ataio.dxfer_len;
|
|
request->u.ata.command = ccb->ataio.cmd.command;
|
|
request->u.ata.feature = ((uint16_t)ccb->ataio.cmd.features_exp << 8) |
|
|
(uint16_t)ccb->ataio.cmd.features;
|
|
request->u.ata.count = ((uint16_t)ccb->ataio.cmd.sector_count_exp << 8) |
|
|
(uint16_t)ccb->ataio.cmd.sector_count;
|
|
if (ccb->ataio.cmd.flags & CAM_ATAIO_48BIT) {
|
|
request->flags |= ATA_R_48BIT;
|
|
request->u.ata.lba =
|
|
((uint64_t)ccb->ataio.cmd.lba_high_exp << 40) |
|
|
((uint64_t)ccb->ataio.cmd.lba_mid_exp << 32) |
|
|
((uint64_t)ccb->ataio.cmd.lba_low_exp << 24);
|
|
} else {
|
|
request->u.ata.lba =
|
|
((uint64_t)(ccb->ataio.cmd.device & 0x0f) << 24);
|
|
}
|
|
request->u.ata.lba |= ((uint64_t)ccb->ataio.cmd.lba_high << 16) |
|
|
((uint64_t)ccb->ataio.cmd.lba_mid << 8) |
|
|
(uint64_t)ccb->ataio.cmd.lba_low;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
|
|
ccb->ataio.cmd.flags & CAM_ATAIO_DMA)
|
|
request->flags |= ATA_R_DMA;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
request->flags |= ATA_R_READ;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
|
|
request->flags |= ATA_R_WRITE;
|
|
} else {
|
|
request->data = ccb->csio.data_ptr;
|
|
request->bytecount = ccb->csio.dxfer_len;
|
|
bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
|
|
ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
|
|
request->u.atapi.ccb, ccb->csio.cdb_len);
|
|
request->flags |= ATA_R_ATAPI;
|
|
if (ch->curr[ccb->ccb_h.target_id].atapi == 16)
|
|
request->flags |= ATA_R_ATAPI16;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
|
|
ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
|
|
request->flags |= ATA_R_DMA;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
request->flags |= ATA_R_READ;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
|
|
request->flags |= ATA_R_WRITE;
|
|
}
|
|
request->transfersize = min(request->bytecount,
|
|
ch->curr[ccb->ccb_h.target_id].bytecount);
|
|
request->retries = 0;
|
|
request->timeout = (ccb->ccb_h.timeout + 999) / 1000;
|
|
callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED);
|
|
request->ccb = ccb;
|
|
|
|
ch->running = request;
|
|
ch->state = ATA_ACTIVE;
|
|
if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
|
|
ch->running = NULL;
|
|
ch->state = ATA_IDLE;
|
|
ata_cam_end_transaction(dev, request);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_cam_request_sense(device_t dev, struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = request->ccb;
|
|
|
|
ch->requestsense = 1;
|
|
|
|
bzero(request, sizeof(&request));
|
|
request->dev = NULL;
|
|
request->parent = dev;
|
|
request->unit = ccb->ccb_h.target_id;
|
|
request->data = (void *)&ccb->csio.sense_data;
|
|
request->bytecount = ccb->csio.sense_len;
|
|
request->u.atapi.ccb[0] = ATAPI_REQUEST_SENSE;
|
|
request->u.atapi.ccb[4] = ccb->csio.sense_len;
|
|
request->flags |= ATA_R_ATAPI;
|
|
if (ch->curr[ccb->ccb_h.target_id].atapi == 16)
|
|
request->flags |= ATA_R_ATAPI16;
|
|
if (ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
|
|
request->flags |= ATA_R_DMA;
|
|
request->flags |= ATA_R_READ;
|
|
request->transfersize = min(request->bytecount,
|
|
ch->curr[ccb->ccb_h.target_id].bytecount);
|
|
request->retries = 0;
|
|
request->timeout = (ccb->ccb_h.timeout + 999) / 1000;
|
|
callout_init_mtx(&request->callout, &ch->state_mtx, CALLOUT_RETURNUNLOCKED);
|
|
request->ccb = ccb;
|
|
|
|
ch->running = request;
|
|
ch->state = ATA_ACTIVE;
|
|
if (ch->hw.begin_transaction(request) == ATA_OP_FINISHED) {
|
|
ch->running = NULL;
|
|
ch->state = ATA_IDLE;
|
|
ata_cam_end_transaction(dev, request);
|
|
return;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ata_cam_process_sense(device_t dev, struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = request->ccb;
|
|
int fatalerr = 0;
|
|
|
|
ch->requestsense = 0;
|
|
|
|
if (request->flags & ATA_R_TIMEOUT)
|
|
fatalerr = 1;
|
|
if ((request->flags & ATA_R_TIMEOUT) == 0 &&
|
|
(request->status & ATA_S_ERROR) == 0 &&
|
|
request->result == 0) {
|
|
ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
} else {
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_AUTOSENSE_FAIL;
|
|
}
|
|
|
|
ata_free_request(request);
|
|
xpt_done(ccb);
|
|
/* Do error recovery if needed. */
|
|
if (fatalerr)
|
|
ata_reinit(dev);
|
|
}
|
|
|
|
void
|
|
ata_cam_end_transaction(device_t dev, struct ata_request *request)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = request->ccb;
|
|
int fatalerr = 0;
|
|
|
|
if (ch->requestsense) {
|
|
ata_cam_process_sense(dev, request);
|
|
return;
|
|
}
|
|
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
if (request->flags & ATA_R_TIMEOUT) {
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_CMD_TIMEOUT | CAM_RELEASE_SIMQ;
|
|
fatalerr = 1;
|
|
} else if (request->status & ATA_S_ERROR) {
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
|
|
} else {
|
|
ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
|
|
ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
|
|
}
|
|
} else if (request->result == ERESTART)
|
|
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
else if (request->result != 0)
|
|
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
|
|
else
|
|
ccb->ccb_h.status |= CAM_REQ_CMP;
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP &&
|
|
!(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(ccb->ccb_h.path, 1);
|
|
ccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO &&
|
|
((request->status & ATA_S_ERROR) ||
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT))) {
|
|
struct ata_res *res = &ccb->ataio.res;
|
|
res->status = request->status;
|
|
res->error = request->error;
|
|
res->lba_low = request->u.ata.lba;
|
|
res->lba_mid = request->u.ata.lba >> 8;
|
|
res->lba_high = request->u.ata.lba >> 16;
|
|
res->device = request->u.ata.lba >> 24;
|
|
res->lba_low_exp = request->u.ata.lba >> 24;
|
|
res->lba_mid_exp = request->u.ata.lba >> 32;
|
|
res->lba_high_exp = request->u.ata.lba >> 40;
|
|
res->sector_count = request->u.ata.count;
|
|
res->sector_count_exp = request->u.ata.count >> 8;
|
|
}
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
ccb->ataio.resid =
|
|
ccb->ataio.dxfer_len - request->donecount;
|
|
} else {
|
|
ccb->csio.resid =
|
|
ccb->csio.dxfer_len - request->donecount;
|
|
}
|
|
}
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
|
|
(ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)
|
|
ata_cam_request_sense(dev, request);
|
|
else {
|
|
ata_free_request(request);
|
|
xpt_done(ccb);
|
|
}
|
|
/* Do error recovery if needed. */
|
|
if (fatalerr)
|
|
ata_reinit(dev);
|
|
}
|
|
|
|
static int
|
|
ata_check_ids(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
if (ccb->ccb_h.target_id > ((ch->flags & ATA_NO_SLAVE) ? 0 : 1)) {
|
|
ccb->ccb_h.status = CAM_TID_INVALID;
|
|
xpt_done(ccb);
|
|
return (-1);
|
|
}
|
|
if (ccb->ccb_h.target_lun != 0) {
|
|
ccb->ccb_h.status = CAM_LUN_INVALID;
|
|
xpt_done(ccb);
|
|
return (-1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
ataaction(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
device_t dev, parent;
|
|
struct ata_channel *ch;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ataaction func_code=%x\n",
|
|
ccb->ccb_h.func_code));
|
|
|
|
ch = (struct ata_channel *)cam_sim_softc(sim);
|
|
dev = ch->dev;
|
|
switch (ccb->ccb_h.func_code) {
|
|
/* Common cases first */
|
|
case XPT_ATA_IO: /* Execute the requested I/O operation */
|
|
case XPT_SCSI_IO:
|
|
if (ata_check_ids(dev, ccb))
|
|
return;
|
|
if ((ch->devices & ((ATA_ATA_MASTER | ATA_ATAPI_MASTER)
|
|
<< ccb->ccb_h.target_id)) == 0) {
|
|
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
|
|
break;
|
|
}
|
|
if (ch->running)
|
|
device_printf(dev, "already running!\n");
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET)) {
|
|
struct ata_res *res = &ccb->ataio.res;
|
|
|
|
bzero(res, sizeof(*res));
|
|
if (ch->devices & (ATA_ATA_MASTER << ccb->ccb_h.target_id)) {
|
|
res->lba_high = 0;
|
|
res->lba_mid = 0;
|
|
} else {
|
|
res->lba_high = 0xeb;
|
|
res->lba_mid = 0x14;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
ata_cam_begin_transaction(dev, ccb);
|
|
return;
|
|
case XPT_EN_LUN: /* Enable LUN as a target */
|
|
case XPT_TARGET_IO: /* Execute target I/O request */
|
|
case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
|
|
case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
|
|
case XPT_ABORT: /* Abort the specified CCB */
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
|
struct ata_cam_device *d;
|
|
|
|
if (ata_check_ids(dev, ccb))
|
|
return;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
|
|
d = &ch->curr[ccb->ccb_h.target_id];
|
|
else
|
|
d = &ch->user[ccb->ccb_h.target_id];
|
|
if (ch->flags & ATA_SATA) {
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
|
|
d->revision = cts->xport_specific.sata.revision;
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE) {
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
|
|
d->mode = ATA_SETMODE(ch->dev,
|
|
ccb->ccb_h.target_id,
|
|
cts->xport_specific.sata.mode);
|
|
} else
|
|
d->mode = cts->xport_specific.sata.mode;
|
|
}
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
|
|
d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_ATAPI)
|
|
d->atapi = cts->xport_specific.sata.atapi;
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
|
|
d->caps = cts->xport_specific.sata.caps;
|
|
} else {
|
|
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_MODE) {
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
|
|
d->mode = ATA_SETMODE(ch->dev,
|
|
ccb->ccb_h.target_id,
|
|
cts->xport_specific.ata.mode);
|
|
} else
|
|
d->mode = cts->xport_specific.ata.mode;
|
|
}
|
|
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_BYTECOUNT)
|
|
d->bytecount = cts->xport_specific.ata.bytecount;
|
|
if (cts->xport_specific.ata.valid & CTS_ATA_VALID_ATAPI)
|
|
d->atapi = cts->xport_specific.ata.atapi;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
|
struct ata_cam_device *d;
|
|
|
|
if (ata_check_ids(dev, ccb))
|
|
return;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
|
|
d = &ch->curr[ccb->ccb_h.target_id];
|
|
else
|
|
d = &ch->user[ccb->ccb_h.target_id];
|
|
cts->protocol = PROTO_ATA;
|
|
cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
|
|
if (ch->flags & ATA_SATA) {
|
|
cts->transport = XPORT_SATA;
|
|
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
|
|
cts->xport_specific.sata.valid = 0;
|
|
cts->xport_specific.sata.mode = d->mode;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
|
|
cts->xport_specific.sata.bytecount = d->bytecount;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
|
|
cts->xport_specific.sata.revision =
|
|
ATA_GETREV(dev, ccb->ccb_h.target_id);
|
|
if (cts->xport_specific.sata.revision != 0xff) {
|
|
cts->xport_specific.sata.valid |=
|
|
CTS_SATA_VALID_REVISION;
|
|
}
|
|
cts->xport_specific.sata.caps =
|
|
d->caps & CTS_SATA_CAPS_D;
|
|
if (ch->pm_level) {
|
|
cts->xport_specific.sata.caps |=
|
|
CTS_SATA_CAPS_H_PMREQ;
|
|
}
|
|
cts->xport_specific.sata.caps &=
|
|
ch->user[ccb->ccb_h.target_id].caps;
|
|
cts->xport_specific.sata.valid |=
|
|
CTS_SATA_VALID_CAPS;
|
|
} else {
|
|
cts->xport_specific.sata.revision = d->revision;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
|
|
cts->xport_specific.sata.caps = d->caps;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
|
|
}
|
|
cts->xport_specific.sata.atapi = d->atapi;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
|
|
} else {
|
|
cts->transport = XPORT_ATA;
|
|
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
|
|
cts->xport_specific.ata.valid = 0;
|
|
cts->xport_specific.ata.mode = d->mode;
|
|
cts->xport_specific.ata.valid |= CTS_ATA_VALID_MODE;
|
|
cts->xport_specific.ata.bytecount = d->bytecount;
|
|
cts->xport_specific.ata.valid |= CTS_ATA_VALID_BYTECOUNT;
|
|
cts->xport_specific.ata.atapi = d->atapi;
|
|
cts->xport_specific.ata.valid |= CTS_ATA_VALID_ATAPI;
|
|
}
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
|
|
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
|
|
ata_reinit(dev);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
case XPT_TERM_IO: /* Terminate the I/O process */
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
case XPT_PATH_INQ: /* Path routing inquiry */
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
parent = device_get_parent(dev);
|
|
cpi->version_num = 1; /* XXX??? */
|
|
cpi->hba_inquiry = PI_SDTR_ABLE;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_SEQSCAN;
|
|
cpi->hba_eng_cnt = 0;
|
|
if (ch->flags & ATA_NO_SLAVE)
|
|
cpi->max_target = 0;
|
|
else
|
|
cpi->max_target = 1;
|
|
cpi->max_lun = 0;
|
|
cpi->initiator_id = 0;
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
if (ch->flags & ATA_SATA)
|
|
cpi->base_transfer_speed = 150000;
|
|
else
|
|
cpi->base_transfer_speed = 3300;
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, "ATA", HBA_IDLEN);
|
|
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
if (ch->flags & ATA_SATA)
|
|
cpi->transport = XPORT_SATA;
|
|
else
|
|
cpi->transport = XPORT_ATA;
|
|
cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
|
|
cpi->protocol = PROTO_ATA;
|
|
cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
|
|
cpi->maxio = ch->dma.max_iosize ? ch->dma.max_iosize : DFLTPHYS;
|
|
if (device_get_devclass(device_get_parent(parent)) ==
|
|
devclass_find("pci")) {
|
|
cpi->hba_vendor = pci_get_vendor(parent);
|
|
cpi->hba_device = pci_get_device(parent);
|
|
cpi->hba_subvendor = pci_get_subvendor(parent);
|
|
cpi->hba_subdevice = pci_get_subdevice(parent);
|
|
}
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
break;
|
|
}
|
|
xpt_done(ccb);
|
|
}
|
|
|
|
static void
|
|
atapoll(struct cam_sim *sim)
|
|
{
|
|
struct ata_channel *ch = (struct ata_channel *)cam_sim_softc(sim);
|
|
|
|
ata_interrupt_locked(ch);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* module handeling
|
|
*/
|
|
static int
|
|
ata_module_event_handler(module_t mod, int what, void *arg)
|
|
{
|
|
#ifndef ATA_CAM
|
|
static struct cdev *atacdev;
|
|
#endif
|
|
|
|
switch (what) {
|
|
case MOD_LOAD:
|
|
#ifndef ATA_CAM
|
|
/* register controlling device */
|
|
atacdev = make_dev(&ata_cdevsw, 0, UID_ROOT, GID_OPERATOR, 0600, "ata");
|
|
|
|
if (cold) {
|
|
/* register boot attach to be run when interrupts are enabled */
|
|
if (!(ata_delayed_attach = (struct intr_config_hook *)
|
|
malloc(sizeof(struct intr_config_hook),
|
|
M_TEMP, M_NOWAIT | M_ZERO))) {
|
|
printf("ata: malloc of delayed attach hook failed\n");
|
|
return EIO;
|
|
}
|
|
ata_delayed_attach->ich_func = (void*)ata_boot_attach;
|
|
if (config_intrhook_establish(ata_delayed_attach) != 0) {
|
|
printf("ata: config_intrhook_establish failed\n");
|
|
free(ata_delayed_attach, M_TEMP);
|
|
}
|
|
}
|
|
#endif
|
|
return 0;
|
|
|
|
case MOD_UNLOAD:
|
|
#ifndef ATA_CAM
|
|
/* deregister controlling device */
|
|
destroy_dev(atacdev);
|
|
#endif
|
|
return 0;
|
|
|
|
default:
|
|
return EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static moduledata_t ata_moduledata = { "ata", ata_module_event_handler, NULL };
|
|
DECLARE_MODULE(ata, ata_moduledata, SI_SUB_CONFIGURE, SI_ORDER_SECOND);
|
|
MODULE_VERSION(ata, 1);
|
|
#ifdef ATA_CAM
|
|
MODULE_DEPEND(ata, cam, 1, 1, 1);
|
|
#endif
|
|
|
|
static void
|
|
ata_init(void)
|
|
{
|
|
ata_request_zone = uma_zcreate("ata_request", sizeof(struct ata_request),
|
|
NULL, NULL, NULL, NULL, 0, 0);
|
|
ata_composite_zone = uma_zcreate("ata_composite",
|
|
sizeof(struct ata_composite),
|
|
NULL, NULL, NULL, NULL, 0, 0);
|
|
}
|
|
SYSINIT(ata_register, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_init, NULL);
|
|
|
|
static void
|
|
ata_uninit(void)
|
|
{
|
|
uma_zdestroy(ata_composite_zone);
|
|
uma_zdestroy(ata_request_zone);
|
|
}
|
|
SYSUNINIT(ata_unregister, SI_SUB_DRIVERS, SI_ORDER_SECOND, ata_uninit, NULL);
|