2679 lines
80 KiB
C
2679 lines
80 KiB
C
/*-
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* Copyright (c) 2009 Alexander Motin <mav@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 <sys/param.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/ata.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.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/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include "ahci.h"
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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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/* local prototypes */
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static int ahci_setup_interrupt(device_t dev);
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static void ahci_intr(void *data);
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static void ahci_intr_one(void *data);
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static int ahci_suspend(device_t dev);
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static int ahci_resume(device_t dev);
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static int ahci_ch_init(device_t dev);
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static int ahci_ch_deinit(device_t dev);
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static int ahci_ch_suspend(device_t dev);
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static int ahci_ch_resume(device_t dev);
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static void ahci_ch_pm(void *arg);
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static void ahci_ch_intr_locked(void *data);
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static void ahci_ch_intr(void *data);
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static int ahci_ctlr_reset(device_t dev);
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static int ahci_ctlr_setup(device_t dev);
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static void ahci_begin_transaction(device_t dev, union ccb *ccb);
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static void ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
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static void ahci_execute_transaction(struct ahci_slot *slot);
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static void ahci_timeout(struct ahci_slot *slot);
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static void ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et);
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static int ahci_setup_fis(device_t dev, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag);
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static void ahci_dmainit(device_t dev);
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static void ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
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static void ahci_dmafini(device_t dev);
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static void ahci_slotsalloc(device_t dev);
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static void ahci_slotsfree(device_t dev);
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static void ahci_reset(device_t dev);
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static void ahci_start(device_t dev, int fbs);
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static void ahci_stop(device_t dev);
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static void ahci_clo(device_t dev);
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static void ahci_start_fr(device_t dev);
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static void ahci_stop_fr(device_t dev);
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static int ahci_sata_connect(struct ahci_channel *ch);
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static int ahci_sata_phy_reset(device_t dev);
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static int ahci_wait_ready(device_t dev, int t);
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static void ahci_issue_read_log(device_t dev);
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static void ahci_process_read_log(device_t dev, union ccb *ccb);
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static void ahciaction(struct cam_sim *sim, union ccb *ccb);
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static void ahcipoll(struct cam_sim *sim);
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MALLOC_DEFINE(M_AHCI, "AHCI driver", "AHCI driver data buffers");
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static struct {
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uint32_t id;
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uint8_t rev;
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const char *name;
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int quirks;
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#define AHCI_Q_NOFORCE 1
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#define AHCI_Q_NOPMP 2
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#define AHCI_Q_NONCQ 4
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#define AHCI_Q_1CH 8
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#define AHCI_Q_2CH 16
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#define AHCI_Q_4CH 32
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#define AHCI_Q_EDGEIS 64
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#define AHCI_Q_SATA2 128
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#define AHCI_Q_NOBSYRES 256
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#define AHCI_Q_NOAA 512
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} ahci_ids[] = {
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{0x43801002, 0x00, "ATI IXP600", 0},
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{0x43901002, 0x00, "ATI IXP700", 0},
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{0x43911002, 0x00, "ATI IXP700", 0},
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{0x43921002, 0x00, "ATI IXP700", 0},
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{0x43931002, 0x00, "ATI IXP700", 0},
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{0x43941002, 0x00, "ATI IXP800", 0},
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{0x43951002, 0x00, "ATI IXP800", 0},
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{0x26528086, 0x00, "Intel ICH6", AHCI_Q_NOFORCE},
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{0x26538086, 0x00, "Intel ICH6M", AHCI_Q_NOFORCE},
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{0x26818086, 0x00, "Intel ESB2", 0},
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{0x26828086, 0x00, "Intel ESB2", 0},
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{0x26838086, 0x00, "Intel ESB2", 0},
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{0x27c18086, 0x00, "Intel ICH7", 0},
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{0x27c38086, 0x00, "Intel ICH7", 0},
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{0x27c58086, 0x00, "Intel ICH7M", 0},
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{0x27c68086, 0x00, "Intel ICH7M", 0},
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{0x28218086, 0x00, "Intel ICH8", 0},
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{0x28228086, 0x00, "Intel ICH8", 0},
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{0x28248086, 0x00, "Intel ICH8", 0},
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{0x28298086, 0x00, "Intel ICH8M", 0},
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{0x282a8086, 0x00, "Intel ICH8M", 0},
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{0x29228086, 0x00, "Intel ICH9", 0},
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{0x29238086, 0x00, "Intel ICH9", 0},
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{0x29248086, 0x00, "Intel ICH9", 0},
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{0x29258086, 0x00, "Intel ICH9", 0},
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{0x29278086, 0x00, "Intel ICH9", 0},
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{0x29298086, 0x00, "Intel ICH9M", 0},
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{0x292a8086, 0x00, "Intel ICH9M", 0},
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{0x292b8086, 0x00, "Intel ICH9M", 0},
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{0x292c8086, 0x00, "Intel ICH9M", 0},
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{0x292f8086, 0x00, "Intel ICH9M", 0},
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{0x294d8086, 0x00, "Intel ICH9", 0},
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{0x294e8086, 0x00, "Intel ICH9M", 0},
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{0x3a058086, 0x00, "Intel ICH10", 0},
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{0x3a228086, 0x00, "Intel ICH10", 0},
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{0x3a258086, 0x00, "Intel ICH10", 0},
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{0x3b228086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x3b238086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x3b258086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x3b298086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x3b2c8086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x3b2f8086, 0x00, "Intel 5 Series/3400 Series", 0},
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{0x1c028086, 0x00, "Intel Cougar Point", 0},
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{0x1c038086, 0x00, "Intel Cougar Point", 0},
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{0x1c048086, 0x00, "Intel Cougar Point", 0},
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{0x1c058086, 0x00, "Intel Cougar Point", 0},
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{0x2361197b, 0x00, "JMicron JMB361", AHCI_Q_NOFORCE},
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{0x2363197b, 0x00, "JMicron JMB363", AHCI_Q_NOFORCE},
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{0x2365197b, 0x00, "JMicron JMB365", AHCI_Q_NOFORCE},
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{0x2366197b, 0x00, "JMicron JMB366", AHCI_Q_NOFORCE},
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{0x2368197b, 0x00, "JMicron JMB368", AHCI_Q_NOFORCE},
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{0x611111ab, 0x00, "Marvell 88SX6111", AHCI_Q_NOFORCE|AHCI_Q_1CH|AHCI_Q_EDGEIS},
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{0x612111ab, 0x00, "Marvell 88SX6121", AHCI_Q_NOFORCE|AHCI_Q_2CH|AHCI_Q_EDGEIS},
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{0x614111ab, 0x00, "Marvell 88SX6141", AHCI_Q_NOFORCE|AHCI_Q_4CH|AHCI_Q_EDGEIS},
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{0x614511ab, 0x00, "Marvell 88SX6145", AHCI_Q_NOFORCE|AHCI_Q_4CH|AHCI_Q_EDGEIS},
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{0x91231b4b, 0x11, "Marvell 88SE912x", AHCI_Q_NOBSYRES},
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{0x91231b4b, 0x00, "Marvell 88SE912x", AHCI_Q_EDGEIS|AHCI_Q_SATA2|AHCI_Q_NOBSYRES},
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{0x06201103, 0x00, "HighPoint RocketRAID 620", AHCI_Q_NOBSYRES},
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{0x06201b4b, 0x00, "HighPoint RocketRAID 620", AHCI_Q_NOBSYRES},
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{0x06221103, 0x00, "HighPoint RocketRAID 622", AHCI_Q_NOBSYRES},
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{0x06221b4b, 0x00, "HighPoint RocketRAID 622", AHCI_Q_NOBSYRES},
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{0x06401103, 0x00, "HighPoint RocketRAID 640", AHCI_Q_NOBSYRES},
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{0x06441103, 0x00, "HighPoint RocketRAID 644", AHCI_Q_NOBSYRES},
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{0x044c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x044d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x044e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x044f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x045c10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x045d10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x045e10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x045f10de, 0x00, "NVIDIA MCP65", AHCI_Q_NOAA},
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{0x055010de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055110de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055210de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055310de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055510de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055610de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055710de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055810de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055910de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055A10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x055B10de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x058410de, 0x00, "NVIDIA MCP67", AHCI_Q_NOAA},
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{0x07f010de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f110de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f210de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f310de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f410de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f510de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f610de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f710de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f810de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07f910de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07fa10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x07fb10de, 0x00, "NVIDIA MCP73", AHCI_Q_NOAA},
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{0x0ad010de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad110de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad210de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad310de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad410de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad510de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad610de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad710de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad810de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ad910de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ada10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0adb10de, 0x00, "NVIDIA MCP77", AHCI_Q_NOAA},
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{0x0ab410de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0ab510de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0ab610de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0ab710de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0ab810de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0ab910de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0aba10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0abb10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0abc10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0abd10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0abe10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0abf10de, 0x00, "NVIDIA MCP79", AHCI_Q_NOAA},
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{0x0d8410de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8510de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8610de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8710de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8810de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8910de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8a10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8b10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8c10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8d10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8e10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x0d8f10de, 0x00, "NVIDIA MCP89", AHCI_Q_NOAA},
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{0x33491106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
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{0x62871106, 0x00, "VIA VT8251", AHCI_Q_NOPMP|AHCI_Q_NONCQ},
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{0x11841039, 0x00, "SiS 966", 0},
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{0x11851039, 0x00, "SiS 968", 0},
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{0x01861039, 0x00, "SiS 968", 0},
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{0x00000000, 0x00, NULL, 0}
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};
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static int
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ahci_probe(device_t dev)
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{
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char buf[64];
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int i, valid = 0;
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uint32_t devid = pci_get_devid(dev);
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uint8_t revid = pci_get_revid(dev);
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/* Is this a possible AHCI candidate? */
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if (pci_get_class(dev) == PCIC_STORAGE &&
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pci_get_subclass(dev) == PCIS_STORAGE_SATA &&
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pci_get_progif(dev) == PCIP_STORAGE_SATA_AHCI_1_0)
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valid = 1;
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/* Is this a known AHCI chip? */
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for (i = 0; ahci_ids[i].id != 0; i++) {
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if (ahci_ids[i].id == devid &&
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ahci_ids[i].rev <= revid &&
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(valid || !(ahci_ids[i].quirks & AHCI_Q_NOFORCE))) {
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/* Do not attach JMicrons with single PCI function. */
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if (pci_get_vendor(dev) == 0x197b &&
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(pci_read_config(dev, 0xdf, 1) & 0x40) == 0)
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return (ENXIO);
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snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
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ahci_ids[i].name);
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device_set_desc_copy(dev, buf);
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return (BUS_PROBE_VENDOR);
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}
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}
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if (!valid)
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return (ENXIO);
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device_set_desc_copy(dev, "AHCI SATA controller");
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return (BUS_PROBE_VENDOR);
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}
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static int
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ahci_ata_probe(device_t dev)
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{
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char buf[64];
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int i;
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uint32_t devid = pci_get_devid(dev);
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uint8_t revid = pci_get_revid(dev);
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if ((intptr_t)device_get_ivars(dev) >= 0)
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return (ENXIO);
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/* Is this a known AHCI chip? */
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for (i = 0; ahci_ids[i].id != 0; i++) {
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if (ahci_ids[i].id == devid &&
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ahci_ids[i].rev <= revid) {
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snprintf(buf, sizeof(buf), "%s AHCI SATA controller",
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ahci_ids[i].name);
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device_set_desc_copy(dev, buf);
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return (BUS_PROBE_VENDOR);
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}
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}
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device_set_desc_copy(dev, "AHCI SATA controller");
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return (BUS_PROBE_VENDOR);
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}
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static int
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ahci_attach(device_t dev)
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{
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struct ahci_controller *ctlr = device_get_softc(dev);
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device_t child;
|
|
int error, unit, speed, i;
|
|
uint32_t devid = pci_get_devid(dev);
|
|
uint8_t revid = pci_get_revid(dev);
|
|
u_int32_t version;
|
|
|
|
ctlr->dev = dev;
|
|
i = 0;
|
|
while (ahci_ids[i].id != 0 &&
|
|
(ahci_ids[i].id != devid ||
|
|
ahci_ids[i].rev > revid))
|
|
i++;
|
|
ctlr->quirks = ahci_ids[i].quirks;
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "ccc", &ctlr->ccc);
|
|
/* if we have a memory BAR(5) we are likely on an AHCI part */
|
|
ctlr->r_rid = PCIR_BAR(5);
|
|
if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&ctlr->r_rid, RF_ACTIVE)))
|
|
return ENXIO;
|
|
/* Setup our own memory management for channels. */
|
|
ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem);
|
|
ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem);
|
|
ctlr->sc_iomem.rm_type = RMAN_ARRAY;
|
|
ctlr->sc_iomem.rm_descr = "I/O memory addresses";
|
|
if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
|
|
return (error);
|
|
}
|
|
if ((error = rman_manage_region(&ctlr->sc_iomem,
|
|
rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
|
|
rman_fini(&ctlr->sc_iomem);
|
|
return (error);
|
|
}
|
|
pci_enable_busmaster(dev);
|
|
/* Reset controller */
|
|
if ((error = ahci_ctlr_reset(dev)) != 0) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
|
|
rman_fini(&ctlr->sc_iomem);
|
|
return (error);
|
|
};
|
|
/* Get the HW capabilities */
|
|
version = ATA_INL(ctlr->r_mem, AHCI_VS);
|
|
ctlr->caps = ATA_INL(ctlr->r_mem, AHCI_CAP);
|
|
if (version >= 0x00010020)
|
|
ctlr->caps2 = ATA_INL(ctlr->r_mem, AHCI_CAP2);
|
|
if (ctlr->caps & AHCI_CAP_EMS)
|
|
ctlr->capsem = ATA_INL(ctlr->r_mem, AHCI_EM_CTL);
|
|
ctlr->ichannels = ATA_INL(ctlr->r_mem, AHCI_PI);
|
|
if (ctlr->quirks & AHCI_Q_1CH) {
|
|
ctlr->caps &= ~AHCI_CAP_NPMASK;
|
|
ctlr->ichannels &= 0x01;
|
|
}
|
|
if (ctlr->quirks & AHCI_Q_2CH) {
|
|
ctlr->caps &= ~AHCI_CAP_NPMASK;
|
|
ctlr->caps |= 1;
|
|
ctlr->ichannels &= 0x03;
|
|
}
|
|
if (ctlr->quirks & AHCI_Q_4CH) {
|
|
ctlr->caps &= ~AHCI_CAP_NPMASK;
|
|
ctlr->caps |= 3;
|
|
ctlr->ichannels &= 0x0f;
|
|
}
|
|
ctlr->channels = MAX(flsl(ctlr->ichannels),
|
|
(ctlr->caps & AHCI_CAP_NPMASK) + 1);
|
|
if (ctlr->quirks & AHCI_Q_NOPMP)
|
|
ctlr->caps &= ~AHCI_CAP_SPM;
|
|
if (ctlr->quirks & AHCI_Q_NONCQ)
|
|
ctlr->caps &= ~AHCI_CAP_SNCQ;
|
|
if ((ctlr->caps & AHCI_CAP_CCCS) == 0)
|
|
ctlr->ccc = 0;
|
|
ahci_ctlr_setup(dev);
|
|
/* Setup interrupts. */
|
|
if (ahci_setup_interrupt(dev)) {
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
|
|
rman_fini(&ctlr->sc_iomem);
|
|
return ENXIO;
|
|
}
|
|
/* Announce HW capabilities. */
|
|
speed = (ctlr->caps & AHCI_CAP_ISS) >> AHCI_CAP_ISS_SHIFT;
|
|
device_printf(dev,
|
|
"AHCI v%x.%02x with %d %sGbps ports, Port Multiplier %s%s\n",
|
|
((version >> 20) & 0xf0) + ((version >> 16) & 0x0f),
|
|
((version >> 4) & 0xf0) + (version & 0x0f),
|
|
(ctlr->caps & AHCI_CAP_NPMASK) + 1,
|
|
((speed == 1) ? "1.5":((speed == 2) ? "3":
|
|
((speed == 3) ? "6":"?"))),
|
|
(ctlr->caps & AHCI_CAP_SPM) ?
|
|
"supported" : "not supported",
|
|
(ctlr->caps & AHCI_CAP_FBSS) ?
|
|
" with FBS" : "");
|
|
if (bootverbose) {
|
|
device_printf(dev, "Caps:%s%s%s%s%s%s%s%s %sGbps",
|
|
(ctlr->caps & AHCI_CAP_64BIT) ? " 64bit":"",
|
|
(ctlr->caps & AHCI_CAP_SNCQ) ? " NCQ":"",
|
|
(ctlr->caps & AHCI_CAP_SSNTF) ? " SNTF":"",
|
|
(ctlr->caps & AHCI_CAP_SMPS) ? " MPS":"",
|
|
(ctlr->caps & AHCI_CAP_SSS) ? " SS":"",
|
|
(ctlr->caps & AHCI_CAP_SALP) ? " ALP":"",
|
|
(ctlr->caps & AHCI_CAP_SAL) ? " AL":"",
|
|
(ctlr->caps & AHCI_CAP_SCLO) ? " CLO":"",
|
|
((speed == 1) ? "1.5":((speed == 2) ? "3":
|
|
((speed == 3) ? "6":"?"))));
|
|
printf("%s%s%s%s%s%s %dcmd%s%s%s %dports\n",
|
|
(ctlr->caps & AHCI_CAP_SAM) ? " AM":"",
|
|
(ctlr->caps & AHCI_CAP_SPM) ? " PM":"",
|
|
(ctlr->caps & AHCI_CAP_FBSS) ? " FBS":"",
|
|
(ctlr->caps & AHCI_CAP_PMD) ? " PMD":"",
|
|
(ctlr->caps & AHCI_CAP_SSC) ? " SSC":"",
|
|
(ctlr->caps & AHCI_CAP_PSC) ? " PSC":"",
|
|
((ctlr->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1,
|
|
(ctlr->caps & AHCI_CAP_CCCS) ? " CCC":"",
|
|
(ctlr->caps & AHCI_CAP_EMS) ? " EM":"",
|
|
(ctlr->caps & AHCI_CAP_SXS) ? " eSATA":"",
|
|
(ctlr->caps & AHCI_CAP_NPMASK) + 1);
|
|
}
|
|
if (bootverbose && version >= 0x00010020) {
|
|
device_printf(dev, "Caps2:%s%s%s\n",
|
|
(ctlr->caps2 & AHCI_CAP2_APST) ? " APST":"",
|
|
(ctlr->caps2 & AHCI_CAP2_NVMP) ? " NVMP":"",
|
|
(ctlr->caps2 & AHCI_CAP2_BOH) ? " BOH":"");
|
|
}
|
|
if (bootverbose && (ctlr->caps & AHCI_CAP_EMS)) {
|
|
device_printf(dev, "EM Caps:%s%s%s%s%s%s%s%s\n",
|
|
(ctlr->capsem & AHCI_EM_PM) ? " PM":"",
|
|
(ctlr->capsem & AHCI_EM_ALHD) ? " ALHD":"",
|
|
(ctlr->capsem & AHCI_EM_XMT) ? " XMT":"",
|
|
(ctlr->capsem & AHCI_EM_SMB) ? " SMB":"",
|
|
(ctlr->capsem & AHCI_EM_SGPIO) ? " SGPIO":"",
|
|
(ctlr->capsem & AHCI_EM_SES2) ? " SES-2":"",
|
|
(ctlr->capsem & AHCI_EM_SAFTE) ? " SAF-TE":"",
|
|
(ctlr->capsem & AHCI_EM_LED) ? " LED":"");
|
|
}
|
|
/* Attach all channels on this controller */
|
|
for (unit = 0; unit < ctlr->channels; unit++) {
|
|
if ((ctlr->ichannels & (1 << unit)) == 0)
|
|
continue;
|
|
child = device_add_child(dev, "ahcich", -1);
|
|
if (child == NULL)
|
|
device_printf(dev, "failed to add channel device\n");
|
|
else
|
|
device_set_ivars(child, (void *)(intptr_t)unit);
|
|
}
|
|
bus_generic_attach(dev);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ahci_detach(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
device_t *children;
|
|
int nchildren, i;
|
|
|
|
/* Detach & delete all children */
|
|
if (!device_get_children(dev, &children, &nchildren)) {
|
|
for (i = 0; i < nchildren; i++)
|
|
device_delete_child(dev, children[i]);
|
|
free(children, M_TEMP);
|
|
}
|
|
/* Free interrupts. */
|
|
for (i = 0; i < ctlr->numirqs; i++) {
|
|
if (ctlr->irqs[i].r_irq) {
|
|
bus_teardown_intr(dev, ctlr->irqs[i].r_irq,
|
|
ctlr->irqs[i].handle);
|
|
bus_release_resource(dev, SYS_RES_IRQ,
|
|
ctlr->irqs[i].r_irq_rid, ctlr->irqs[i].r_irq);
|
|
}
|
|
}
|
|
pci_release_msi(dev);
|
|
/* Free memory. */
|
|
rman_fini(&ctlr->sc_iomem);
|
|
if (ctlr->r_mem)
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ctlr_reset(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int timeout;
|
|
|
|
if (pci_read_config(dev, 0x00, 4) == 0x28298086 &&
|
|
(pci_read_config(dev, 0x92, 1) & 0xfe) == 0x04)
|
|
pci_write_config(dev, 0x92, 0x01, 1);
|
|
/* Enable AHCI mode */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE);
|
|
/* Reset AHCI controller */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE|AHCI_GHC_HR);
|
|
for (timeout = 1000; timeout > 0; timeout--) {
|
|
DELAY(1000);
|
|
if ((ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_HR) == 0)
|
|
break;
|
|
}
|
|
if (timeout == 0) {
|
|
device_printf(dev, "AHCI controller reset failure\n");
|
|
return ENXIO;
|
|
}
|
|
/* Reenable AHCI mode */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_GHC, AHCI_GHC_AE);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ctlr_setup(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
/* Clear interrupts */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_IS, ATA_INL(ctlr->r_mem, AHCI_IS));
|
|
/* Configure CCC */
|
|
if (ctlr->ccc) {
|
|
ATA_OUTL(ctlr->r_mem, AHCI_CCCP, ATA_INL(ctlr->r_mem, AHCI_PI));
|
|
ATA_OUTL(ctlr->r_mem, AHCI_CCCC,
|
|
(ctlr->ccc << AHCI_CCCC_TV_SHIFT) |
|
|
(4 << AHCI_CCCC_CC_SHIFT) |
|
|
AHCI_CCCC_EN);
|
|
ctlr->cccv = (ATA_INL(ctlr->r_mem, AHCI_CCCC) &
|
|
AHCI_CCCC_INT_MASK) >> AHCI_CCCC_INT_SHIFT;
|
|
if (bootverbose) {
|
|
device_printf(dev,
|
|
"CCC with %dms/4cmd enabled on vector %d\n",
|
|
ctlr->ccc, ctlr->cccv);
|
|
}
|
|
}
|
|
/* Enable AHCI interrupts */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_GHC,
|
|
ATA_INL(ctlr->r_mem, AHCI_GHC) | AHCI_GHC_IE);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_suspend(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
|
|
bus_generic_suspend(dev);
|
|
/* Disable interupts, so the state change(s) doesn't trigger */
|
|
ATA_OUTL(ctlr->r_mem, AHCI_GHC,
|
|
ATA_INL(ctlr->r_mem, AHCI_GHC) & (~AHCI_GHC_IE));
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ahci_resume(device_t dev)
|
|
{
|
|
int res;
|
|
|
|
if ((res = ahci_ctlr_reset(dev)) != 0)
|
|
return (res);
|
|
ahci_ctlr_setup(dev);
|
|
return (bus_generic_resume(dev));
|
|
}
|
|
|
|
static int
|
|
ahci_setup_interrupt(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int i, msi = 1;
|
|
|
|
/* Process hints. */
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "msi", &msi);
|
|
if (msi < 0)
|
|
msi = 0;
|
|
else if (msi == 1)
|
|
msi = min(1, pci_msi_count(dev));
|
|
else if (msi > 1)
|
|
msi = pci_msi_count(dev);
|
|
/* Allocate MSI if needed/present. */
|
|
if (msi && pci_alloc_msi(dev, &msi) == 0) {
|
|
ctlr->numirqs = msi;
|
|
} else {
|
|
msi = 0;
|
|
ctlr->numirqs = 1;
|
|
}
|
|
/* Check for single MSI vector fallback. */
|
|
if (ctlr->numirqs > 1 &&
|
|
(ATA_INL(ctlr->r_mem, AHCI_GHC) & AHCI_GHC_MRSM) != 0) {
|
|
device_printf(dev, "Falling back to one MSI\n");
|
|
ctlr->numirqs = 1;
|
|
}
|
|
/* Allocate all IRQs. */
|
|
for (i = 0; i < ctlr->numirqs; i++) {
|
|
ctlr->irqs[i].ctlr = ctlr;
|
|
ctlr->irqs[i].r_irq_rid = i + (msi ? 1 : 0);
|
|
if (ctlr->numirqs == 1 || i >= ctlr->channels ||
|
|
(ctlr->ccc && i == ctlr->cccv))
|
|
ctlr->irqs[i].mode = AHCI_IRQ_MODE_ALL;
|
|
else if (i == ctlr->numirqs - 1)
|
|
ctlr->irqs[i].mode = AHCI_IRQ_MODE_AFTER;
|
|
else
|
|
ctlr->irqs[i].mode = AHCI_IRQ_MODE_ONE;
|
|
if (!(ctlr->irqs[i].r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
|
|
&ctlr->irqs[i].r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
|
|
device_printf(dev, "unable to map interrupt\n");
|
|
return ENXIO;
|
|
}
|
|
if ((bus_setup_intr(dev, ctlr->irqs[i].r_irq, ATA_INTR_FLAGS, NULL,
|
|
(ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE) ? ahci_intr_one : ahci_intr,
|
|
&ctlr->irqs[i], &ctlr->irqs[i].handle))) {
|
|
/* SOS XXX release r_irq */
|
|
device_printf(dev, "unable to setup interrupt\n");
|
|
return ENXIO;
|
|
}
|
|
if (ctlr->numirqs > 1) {
|
|
bus_describe_intr(dev, ctlr->irqs[i].r_irq,
|
|
ctlr->irqs[i].handle,
|
|
ctlr->irqs[i].mode == AHCI_IRQ_MODE_ONE ?
|
|
"ch%d" : "%d", i);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Common case interrupt handler.
|
|
*/
|
|
static void
|
|
ahci_intr(void *data)
|
|
{
|
|
struct ahci_controller_irq *irq = data;
|
|
struct ahci_controller *ctlr = irq->ctlr;
|
|
u_int32_t is, ise = 0;
|
|
void *arg;
|
|
int unit;
|
|
|
|
if (irq->mode == AHCI_IRQ_MODE_ALL) {
|
|
unit = 0;
|
|
if (ctlr->ccc)
|
|
is = ctlr->ichannels;
|
|
else
|
|
is = ATA_INL(ctlr->r_mem, AHCI_IS);
|
|
} else { /* AHCI_IRQ_MODE_AFTER */
|
|
unit = irq->r_irq_rid - 1;
|
|
is = ATA_INL(ctlr->r_mem, AHCI_IS);
|
|
}
|
|
/* CCC interrupt is edge triggered. */
|
|
if (ctlr->ccc)
|
|
ise = 1 << ctlr->cccv;
|
|
/* Some controllers have edge triggered IS. */
|
|
if (ctlr->quirks & AHCI_Q_EDGEIS)
|
|
ise |= is;
|
|
if (ise != 0)
|
|
ATA_OUTL(ctlr->r_mem, AHCI_IS, ise);
|
|
for (; unit < ctlr->channels; unit++) {
|
|
if ((is & (1 << unit)) != 0 &&
|
|
(arg = ctlr->interrupt[unit].argument)) {
|
|
ctlr->interrupt[unit].function(arg);
|
|
}
|
|
}
|
|
/* AHCI declares level triggered IS. */
|
|
if (!(ctlr->quirks & AHCI_Q_EDGEIS))
|
|
ATA_OUTL(ctlr->r_mem, AHCI_IS, is);
|
|
}
|
|
|
|
/*
|
|
* Simplified interrupt handler for multivector MSI mode.
|
|
*/
|
|
static void
|
|
ahci_intr_one(void *data)
|
|
{
|
|
struct ahci_controller_irq *irq = data;
|
|
struct ahci_controller *ctlr = irq->ctlr;
|
|
void *arg;
|
|
int unit;
|
|
|
|
unit = irq->r_irq_rid - 1;
|
|
/* Some controllers have edge triggered IS. */
|
|
if (ctlr->quirks & AHCI_Q_EDGEIS)
|
|
ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
|
|
if ((arg = ctlr->interrupt[unit].argument))
|
|
ctlr->interrupt[unit].function(arg);
|
|
/* AHCI declares level triggered IS. */
|
|
if (!(ctlr->quirks & AHCI_Q_EDGEIS))
|
|
ATA_OUTL(ctlr->r_mem, AHCI_IS, 1 << unit);
|
|
}
|
|
|
|
static struct resource *
|
|
ahci_alloc_resource(device_t dev, device_t child, int type, int *rid,
|
|
u_long start, u_long end, u_long count, u_int flags)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int unit = ((struct ahci_channel *)device_get_softc(child))->unit;
|
|
struct resource *res = NULL;
|
|
int offset = AHCI_OFFSET + (unit << 7);
|
|
long st;
|
|
|
|
switch (type) {
|
|
case SYS_RES_MEMORY:
|
|
st = rman_get_start(ctlr->r_mem);
|
|
res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
|
|
st + offset + 127, 128, RF_ACTIVE, child);
|
|
if (res) {
|
|
bus_space_handle_t bsh;
|
|
bus_space_tag_t bst;
|
|
bsh = rman_get_bushandle(ctlr->r_mem);
|
|
bst = rman_get_bustag(ctlr->r_mem);
|
|
bus_space_subregion(bst, bsh, offset, 128, &bsh);
|
|
rman_set_bushandle(res, bsh);
|
|
rman_set_bustag(res, bst);
|
|
}
|
|
break;
|
|
case SYS_RES_IRQ:
|
|
if (*rid == ATA_IRQ_RID)
|
|
res = ctlr->irqs[0].r_irq;
|
|
break;
|
|
}
|
|
return (res);
|
|
}
|
|
|
|
static int
|
|
ahci_release_resource(device_t dev, device_t child, int type, int rid,
|
|
struct resource *r)
|
|
{
|
|
|
|
switch (type) {
|
|
case SYS_RES_MEMORY:
|
|
rman_release_resource(r);
|
|
return (0);
|
|
case SYS_RES_IRQ:
|
|
if (rid != ATA_IRQ_RID)
|
|
return ENOENT;
|
|
return (0);
|
|
}
|
|
return (EINVAL);
|
|
}
|
|
|
|
static int
|
|
ahci_setup_intr(device_t dev, device_t child, struct resource *irq,
|
|
int flags, driver_filter_t *filter, driver_intr_t *function,
|
|
void *argument, void **cookiep)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int unit = (intptr_t)device_get_ivars(child);
|
|
|
|
if (filter != NULL) {
|
|
printf("ahci.c: we cannot use a filter here\n");
|
|
return (EINVAL);
|
|
}
|
|
ctlr->interrupt[unit].function = function;
|
|
ctlr->interrupt[unit].argument = argument;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_teardown_intr(device_t dev, device_t child, struct resource *irq,
|
|
void *cookie)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(dev);
|
|
int unit = (intptr_t)device_get_ivars(child);
|
|
|
|
ctlr->interrupt[unit].function = NULL;
|
|
ctlr->interrupt[unit].argument = NULL;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_print_child(device_t dev, device_t child)
|
|
{
|
|
int retval;
|
|
|
|
retval = bus_print_child_header(dev, child);
|
|
retval += printf(" at channel %d",
|
|
(int)(intptr_t)device_get_ivars(child));
|
|
retval += bus_print_child_footer(dev, child);
|
|
|
|
return (retval);
|
|
}
|
|
|
|
static int
|
|
ahci_child_location_str(device_t dev, device_t child, char *buf,
|
|
size_t buflen)
|
|
{
|
|
|
|
snprintf(buf, buflen, "channel=%d",
|
|
(int)(intptr_t)device_get_ivars(child));
|
|
return (0);
|
|
}
|
|
|
|
devclass_t ahci_devclass;
|
|
static device_method_t ahci_methods[] = {
|
|
DEVMETHOD(device_probe, ahci_probe),
|
|
DEVMETHOD(device_attach, ahci_attach),
|
|
DEVMETHOD(device_detach, ahci_detach),
|
|
DEVMETHOD(device_suspend, ahci_suspend),
|
|
DEVMETHOD(device_resume, ahci_resume),
|
|
DEVMETHOD(bus_print_child, ahci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ahci_release_resource),
|
|
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
|
|
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
|
|
{ 0, 0 }
|
|
};
|
|
static driver_t ahci_driver = {
|
|
"ahci",
|
|
ahci_methods,
|
|
sizeof(struct ahci_controller)
|
|
};
|
|
DRIVER_MODULE(ahci, pci, ahci_driver, ahci_devclass, 0, 0);
|
|
static device_method_t ahci_ata_methods[] = {
|
|
DEVMETHOD(device_probe, ahci_ata_probe),
|
|
DEVMETHOD(device_attach, ahci_attach),
|
|
DEVMETHOD(device_detach, ahci_detach),
|
|
DEVMETHOD(device_suspend, ahci_suspend),
|
|
DEVMETHOD(device_resume, ahci_resume),
|
|
DEVMETHOD(bus_print_child, ahci_print_child),
|
|
DEVMETHOD(bus_alloc_resource, ahci_alloc_resource),
|
|
DEVMETHOD(bus_release_resource, ahci_release_resource),
|
|
DEVMETHOD(bus_setup_intr, ahci_setup_intr),
|
|
DEVMETHOD(bus_teardown_intr,ahci_teardown_intr),
|
|
DEVMETHOD(bus_child_location_str, ahci_child_location_str),
|
|
{ 0, 0 }
|
|
};
|
|
static driver_t ahci_ata_driver = {
|
|
"ahci",
|
|
ahci_ata_methods,
|
|
sizeof(struct ahci_controller)
|
|
};
|
|
DRIVER_MODULE(ahci, atapci, ahci_ata_driver, ahci_devclass, 0, 0);
|
|
MODULE_VERSION(ahci, 1);
|
|
MODULE_DEPEND(ahci, cam, 1, 1, 1);
|
|
|
|
static int
|
|
ahci_ch_probe(device_t dev)
|
|
{
|
|
|
|
device_set_desc_copy(dev, "AHCI channel");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_attach(device_t dev)
|
|
{
|
|
struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct cam_devq *devq;
|
|
int rid, error, i, sata_rev = 0;
|
|
u_int32_t version;
|
|
|
|
ch->dev = dev;
|
|
ch->unit = (intptr_t)device_get_ivars(dev);
|
|
ch->caps = ctlr->caps;
|
|
ch->caps2 = ctlr->caps2;
|
|
ch->quirks = ctlr->quirks;
|
|
ch->numslots = ((ch->caps & AHCI_CAP_NCS) >> AHCI_CAP_NCS_SHIFT) + 1;
|
|
mtx_init(&ch->mtx, "AHCI channel lock", NULL, MTX_DEF);
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "pm_level", &ch->pm_level);
|
|
if (ch->pm_level > 3)
|
|
callout_init_mtx(&ch->pm_timer, &ch->mtx, 0);
|
|
/* Limit speed for my onboard JMicron external port.
|
|
* It is not eSATA really. */
|
|
if (pci_get_devid(ctlr->dev) == 0x2363197b &&
|
|
pci_get_subvendor(ctlr->dev) == 0x1043 &&
|
|
pci_get_subdevice(ctlr->dev) == 0x81e4 &&
|
|
ch->unit == 0)
|
|
sata_rev = 1;
|
|
if (ch->quirks & AHCI_Q_SATA2)
|
|
sata_rev = 2;
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "sata_rev", &sata_rev);
|
|
for (i = 0; i < 16; i++) {
|
|
ch->user[i].revision = sata_rev;
|
|
ch->user[i].mode = 0;
|
|
ch->user[i].bytecount = 8192;
|
|
ch->user[i].tags = ch->numslots;
|
|
ch->user[i].caps = 0;
|
|
ch->curr[i] = ch->user[i];
|
|
if (ch->pm_level) {
|
|
ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ |
|
|
CTS_SATA_CAPS_H_APST |
|
|
CTS_SATA_CAPS_D_PMREQ | CTS_SATA_CAPS_D_APST;
|
|
}
|
|
ch->user[i].caps |= CTS_SATA_CAPS_H_DMAAA;
|
|
}
|
|
rid = ch->unit;
|
|
if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&rid, RF_ACTIVE)))
|
|
return (ENXIO);
|
|
ahci_dmainit(dev);
|
|
ahci_slotsalloc(dev);
|
|
ahci_ch_init(dev);
|
|
mtx_lock(&ch->mtx);
|
|
rid = ATA_IRQ_RID;
|
|
if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
|
|
&rid, RF_SHAREABLE | RF_ACTIVE))) {
|
|
device_printf(dev, "Unable to map interrupt\n");
|
|
error = ENXIO;
|
|
goto err0;
|
|
}
|
|
if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
|
|
ahci_ch_intr_locked, dev, &ch->ih))) {
|
|
device_printf(dev, "Unable to setup interrupt\n");
|
|
error = ENXIO;
|
|
goto err1;
|
|
}
|
|
ch->chcaps = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
version = ATA_INL(ctlr->r_mem, AHCI_VS);
|
|
if (version < 0x00010020 && (ctlr->caps & AHCI_CAP_FBSS))
|
|
ch->chcaps |= AHCI_P_CMD_FBSCP;
|
|
if (bootverbose) {
|
|
device_printf(dev, "Caps:%s%s%s%s%s\n",
|
|
(ch->chcaps & AHCI_P_CMD_HPCP) ? " HPCP":"",
|
|
(ch->chcaps & AHCI_P_CMD_MPSP) ? " MPSP":"",
|
|
(ch->chcaps & AHCI_P_CMD_CPD) ? " CPD":"",
|
|
(ch->chcaps & AHCI_P_CMD_ESP) ? " ESP":"",
|
|
(ch->chcaps & AHCI_P_CMD_FBSCP) ? " FBSCP":"");
|
|
}
|
|
/* Create the device queue for our SIM. */
|
|
devq = cam_simq_alloc(ch->numslots);
|
|
if (devq == NULL) {
|
|
device_printf(dev, "Unable to allocate simq\n");
|
|
error = ENOMEM;
|
|
goto err1;
|
|
}
|
|
/* Construct SIM entry */
|
|
ch->sim = cam_sim_alloc(ahciaction, ahcipoll, "ahcich", ch,
|
|
device_get_unit(dev), &ch->mtx,
|
|
min(2, ch->numslots),
|
|
(ch->caps & AHCI_CAP_SNCQ) ? ch->numslots : 0,
|
|
devq);
|
|
if (ch->sim == NULL) {
|
|
cam_simq_free(devq);
|
|
device_printf(dev, "unable to allocate sim\n");
|
|
error = ENOMEM;
|
|
goto err1;
|
|
}
|
|
if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
|
|
device_printf(dev, "unable to register xpt bus\n");
|
|
error = ENXIO;
|
|
goto err2;
|
|
}
|
|
if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
device_printf(dev, "unable to create path\n");
|
|
error = ENXIO;
|
|
goto err3;
|
|
}
|
|
if (ch->pm_level > 3) {
|
|
callout_reset(&ch->pm_timer,
|
|
(ch->pm_level == 4) ? hz / 1000 : hz / 8,
|
|
ahci_ch_pm, dev);
|
|
}
|
|
mtx_unlock(&ch->mtx);
|
|
return (0);
|
|
|
|
err3:
|
|
xpt_bus_deregister(cam_sim_path(ch->sim));
|
|
err2:
|
|
cam_sim_free(ch->sim, /*free_devq*/TRUE);
|
|
err1:
|
|
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
|
|
err0:
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
|
|
mtx_unlock(&ch->mtx);
|
|
mtx_destroy(&ch->mtx);
|
|
return (error);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_detach(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
xpt_async(AC_LOST_DEVICE, ch->path, NULL);
|
|
xpt_free_path(ch->path);
|
|
xpt_bus_deregister(cam_sim_path(ch->sim));
|
|
cam_sim_free(ch->sim, /*free_devq*/TRUE);
|
|
mtx_unlock(&ch->mtx);
|
|
|
|
if (ch->pm_level > 3)
|
|
callout_drain(&ch->pm_timer);
|
|
bus_teardown_intr(dev, ch->r_irq, ch->ih);
|
|
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
|
|
|
|
ahci_ch_deinit(dev);
|
|
ahci_slotsfree(dev);
|
|
ahci_dmafini(dev);
|
|
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
|
|
mtx_destroy(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_init(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
uint64_t work;
|
|
|
|
/* Disable port interrupts */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
|
|
/* Setup work areas */
|
|
work = ch->dma.work_bus + AHCI_CL_OFFSET;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CLB, work & 0xffffffff);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CLBU, work >> 32);
|
|
work = ch->dma.rfis_bus;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_FB, work & 0xffffffff);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_FBU, work >> 32);
|
|
/* Activate the channel and power/spin up device */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD,
|
|
(AHCI_P_CMD_ACTIVE | AHCI_P_CMD_POD | AHCI_P_CMD_SUD |
|
|
((ch->pm_level == 2 || ch->pm_level == 3) ? AHCI_P_CMD_ALPE : 0) |
|
|
((ch->pm_level > 2) ? AHCI_P_CMD_ASP : 0 )));
|
|
ahci_start_fr(dev);
|
|
ahci_start(dev, 1);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_deinit(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
/* Disable port interrupts. */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
|
|
/* Reset command register. */
|
|
ahci_stop(dev);
|
|
ahci_stop_fr(dev);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, 0);
|
|
/* Allow everything, including partial and slumber modes. */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SCTL, 0);
|
|
/* Request slumber mode transition and give some time to get there. */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, AHCI_P_CMD_SLUMBER);
|
|
DELAY(100);
|
|
/* Disable PHY. */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_suspend(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
while (ch->oslots)
|
|
msleep(ch, &ch->mtx, PRIBIO, "ahcisusp", hz/100);
|
|
ahci_ch_deinit(dev);
|
|
mtx_unlock(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahci_ch_resume(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
ahci_ch_init(dev);
|
|
ahci_reset(dev);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
mtx_unlock(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
devclass_t ahcich_devclass;
|
|
static device_method_t ahcich_methods[] = {
|
|
DEVMETHOD(device_probe, ahci_ch_probe),
|
|
DEVMETHOD(device_attach, ahci_ch_attach),
|
|
DEVMETHOD(device_detach, ahci_ch_detach),
|
|
DEVMETHOD(device_suspend, ahci_ch_suspend),
|
|
DEVMETHOD(device_resume, ahci_ch_resume),
|
|
{ 0, 0 }
|
|
};
|
|
static driver_t ahcich_driver = {
|
|
"ahcich",
|
|
ahcich_methods,
|
|
sizeof(struct ahci_channel)
|
|
};
|
|
DRIVER_MODULE(ahcich, ahci, ahcich_driver, ahcich_devclass, 0, 0);
|
|
|
|
struct ahci_dc_cb_args {
|
|
bus_addr_t maddr;
|
|
int error;
|
|
};
|
|
|
|
static void
|
|
ahci_dmainit(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct ahci_dc_cb_args dcba;
|
|
size_t rfsize;
|
|
|
|
if (ch->caps & AHCI_CAP_64BIT)
|
|
ch->dma.max_address = BUS_SPACE_MAXADDR;
|
|
else
|
|
ch->dma.max_address = BUS_SPACE_MAXADDR_32BIT;
|
|
/* Command area. */
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
|
|
ch->dma.max_address, BUS_SPACE_MAXADDR,
|
|
NULL, NULL, AHCI_WORK_SIZE, 1, AHCI_WORK_SIZE,
|
|
0, NULL, NULL, &ch->dma.work_tag))
|
|
goto error;
|
|
if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0,
|
|
&ch->dma.work_map))
|
|
goto error;
|
|
if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
|
|
AHCI_WORK_SIZE, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) {
|
|
bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
|
|
goto error;
|
|
}
|
|
ch->dma.work_bus = dcba.maddr;
|
|
/* FIS receive area. */
|
|
if (ch->chcaps & AHCI_P_CMD_FBSCP)
|
|
rfsize = 4096;
|
|
else
|
|
rfsize = 256;
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), rfsize, 0,
|
|
ch->dma.max_address, BUS_SPACE_MAXADDR,
|
|
NULL, NULL, rfsize, 1, rfsize,
|
|
0, NULL, NULL, &ch->dma.rfis_tag))
|
|
goto error;
|
|
if (bus_dmamem_alloc(ch->dma.rfis_tag, (void **)&ch->dma.rfis, 0,
|
|
&ch->dma.rfis_map))
|
|
goto error;
|
|
if (bus_dmamap_load(ch->dma.rfis_tag, ch->dma.rfis_map, ch->dma.rfis,
|
|
rfsize, ahci_dmasetupc_cb, &dcba, 0) || dcba.error) {
|
|
bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map);
|
|
goto error;
|
|
}
|
|
ch->dma.rfis_bus = dcba.maddr;
|
|
/* Data area. */
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), 2, 0,
|
|
ch->dma.max_address, BUS_SPACE_MAXADDR,
|
|
NULL, NULL,
|
|
AHCI_SG_ENTRIES * PAGE_SIZE * ch->numslots,
|
|
AHCI_SG_ENTRIES, AHCI_PRD_MAX,
|
|
0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
|
|
goto error;
|
|
}
|
|
return;
|
|
|
|
error:
|
|
device_printf(dev, "WARNING - DMA initialization failed\n");
|
|
ahci_dmafini(dev);
|
|
}
|
|
|
|
static void
|
|
ahci_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
struct ahci_dc_cb_args *dcba = (struct ahci_dc_cb_args *)xsc;
|
|
|
|
if (!(dcba->error = error))
|
|
dcba->maddr = segs[0].ds_addr;
|
|
}
|
|
|
|
static void
|
|
ahci_dmafini(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
if (ch->dma.data_tag) {
|
|
bus_dma_tag_destroy(ch->dma.data_tag);
|
|
ch->dma.data_tag = NULL;
|
|
}
|
|
if (ch->dma.rfis_bus) {
|
|
bus_dmamap_unload(ch->dma.rfis_tag, ch->dma.rfis_map);
|
|
bus_dmamem_free(ch->dma.rfis_tag, ch->dma.rfis, ch->dma.rfis_map);
|
|
ch->dma.rfis_bus = 0;
|
|
ch->dma.rfis_map = NULL;
|
|
ch->dma.rfis = NULL;
|
|
}
|
|
if (ch->dma.work_bus) {
|
|
bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
|
|
bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
|
|
ch->dma.work_bus = 0;
|
|
ch->dma.work_map = NULL;
|
|
ch->dma.work = NULL;
|
|
}
|
|
if (ch->dma.work_tag) {
|
|
bus_dma_tag_destroy(ch->dma.work_tag);
|
|
ch->dma.work_tag = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_slotsalloc(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
/* Alloc and setup command/dma slots */
|
|
bzero(ch->slot, sizeof(ch->slot));
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
struct ahci_slot *slot = &ch->slot[i];
|
|
|
|
slot->dev = dev;
|
|
slot->slot = i;
|
|
slot->state = AHCI_SLOT_EMPTY;
|
|
slot->ccb = NULL;
|
|
callout_init_mtx(&slot->timeout, &ch->mtx, 0);
|
|
|
|
if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
|
|
device_printf(ch->dev, "FAILURE - create data_map\n");
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_slotsfree(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
/* Free all dma slots */
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
struct ahci_slot *slot = &ch->slot[i];
|
|
|
|
callout_drain(&slot->timeout);
|
|
if (slot->dma.data_map) {
|
|
bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
|
|
slot->dma.data_map = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_phy_check_events(device_t dev, u_int32_t serr)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
if ((serr & ATA_SE_PHY_CHANGED) && (ch->pm_level == 0)) {
|
|
u_int32_t status = ATA_INL(ch->r_mem, AHCI_P_SSTS);
|
|
union ccb *ccb;
|
|
|
|
if (bootverbose) {
|
|
if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
|
|
((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
|
|
((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
|
|
device_printf(dev, "CONNECT requested\n");
|
|
} else
|
|
device_printf(dev, "DISCONNECT requested\n");
|
|
}
|
|
ahci_reset(dev);
|
|
if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
|
|
return;
|
|
if (xpt_create_path(&ccb->ccb_h.path, NULL,
|
|
cam_sim_path(ch->sim),
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_free_ccb(ccb);
|
|
return;
|
|
}
|
|
xpt_rescan(ccb);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_notify_events(device_t dev, u_int32_t status)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct cam_path *dpath;
|
|
int i;
|
|
|
|
if (ch->caps & AHCI_CAP_SSNTF)
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SNTF, status);
|
|
if (bootverbose)
|
|
device_printf(dev, "SNTF 0x%04x\n", status);
|
|
for (i = 0; i < 16; i++) {
|
|
if ((status & (1 << i)) == 0)
|
|
continue;
|
|
if (xpt_create_path(&dpath, NULL,
|
|
xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
|
|
xpt_async(AC_SCSI_AEN, dpath, NULL);
|
|
xpt_free_path(dpath);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_ch_intr_locked(void *data)
|
|
{
|
|
device_t dev = (device_t)data;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
ahci_ch_intr(data);
|
|
mtx_unlock(&ch->mtx);
|
|
}
|
|
|
|
static void
|
|
ahci_ch_pm(void *arg)
|
|
{
|
|
device_t dev = (device_t)arg;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
uint32_t work;
|
|
|
|
if (ch->numrslots != 0)
|
|
return;
|
|
work = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
if (ch->pm_level == 4)
|
|
work |= AHCI_P_CMD_PARTIAL;
|
|
else
|
|
work |= AHCI_P_CMD_SLUMBER;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, work);
|
|
}
|
|
|
|
static void
|
|
ahci_ch_intr(void *data)
|
|
{
|
|
device_t dev = (device_t)data;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
uint32_t istatus, sstatus, cstatus, serr = 0, sntf = 0, ok, err;
|
|
enum ahci_err_type et;
|
|
int i, ccs, port;
|
|
|
|
/* Read and clear interrupt statuses. */
|
|
istatus = ATA_INL(ch->r_mem, AHCI_P_IS);
|
|
if (istatus == 0)
|
|
return;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IS, istatus);
|
|
/* Read command statuses. */
|
|
sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
|
|
cstatus = ATA_INL(ch->r_mem, AHCI_P_CI);
|
|
if (istatus & AHCI_P_IX_SDB) {
|
|
if (ch->caps & AHCI_CAP_SSNTF)
|
|
sntf = ATA_INL(ch->r_mem, AHCI_P_SNTF);
|
|
else if (ch->fbs_enabled) {
|
|
u_int8_t *fis = ch->dma.rfis + 0x58;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
if (fis[1] & 0x80) {
|
|
fis[1] &= 0x7f;
|
|
sntf |= 1 << i;
|
|
}
|
|
fis += 256;
|
|
}
|
|
} else {
|
|
u_int8_t *fis = ch->dma.rfis + 0x58;
|
|
|
|
if (fis[1] & 0x80)
|
|
sntf = (1 << (fis[1] & 0x0f));
|
|
}
|
|
}
|
|
/* Process PHY events */
|
|
if (istatus & (AHCI_P_IX_PC | AHCI_P_IX_PRC | AHCI_P_IX_OF |
|
|
AHCI_P_IX_IF | AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) {
|
|
serr = ATA_INL(ch->r_mem, AHCI_P_SERR);
|
|
if (serr) {
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SERR, serr);
|
|
ahci_phy_check_events(dev, serr);
|
|
}
|
|
}
|
|
/* Process command errors */
|
|
if (istatus & (AHCI_P_IX_OF | AHCI_P_IX_IF |
|
|
AHCI_P_IX_HBD | AHCI_P_IX_HBF | AHCI_P_IX_TFE)) {
|
|
ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK)
|
|
>> AHCI_P_CMD_CCS_SHIFT;
|
|
//device_printf(dev, "%s ERROR is %08x cs %08x ss %08x rs %08x tfd %02x serr %08x fbs %08x ccs %d\n",
|
|
// __func__, istatus, cstatus, sstatus, ch->rslots, ATA_INL(ch->r_mem, AHCI_P_TFD),
|
|
// serr, ATA_INL(ch->r_mem, AHCI_P_FBS), ccs);
|
|
port = -1;
|
|
if (ch->fbs_enabled) {
|
|
uint32_t fbs = ATA_INL(ch->r_mem, AHCI_P_FBS);
|
|
if (fbs & AHCI_P_FBS_SDE) {
|
|
port = (fbs & AHCI_P_FBS_DWE)
|
|
>> AHCI_P_FBS_DWE_SHIFT;
|
|
} else {
|
|
for (i = 0; i < 16; i++) {
|
|
if (ch->numrslotspd[i] == 0)
|
|
continue;
|
|
if (port == -1)
|
|
port = i;
|
|
else if (port != i) {
|
|
port = -2;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
err = ch->rslots & (cstatus | sstatus);
|
|
} else {
|
|
ccs = 0;
|
|
err = 0;
|
|
port = -1;
|
|
}
|
|
/* Complete all successfull commands. */
|
|
ok = ch->rslots & ~(cstatus | sstatus);
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
if ((ok >> i) & 1)
|
|
ahci_end_transaction(&ch->slot[i], AHCI_ERR_NONE);
|
|
}
|
|
/* On error, complete the rest of commands with error statuses. */
|
|
if (err) {
|
|
if (ch->frozen) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
|
|
if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(fccb->ccb_h.path, 1);
|
|
fccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
xpt_done(fccb);
|
|
}
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
/* XXX: reqests in loading state. */
|
|
if (((err >> i) & 1) == 0)
|
|
continue;
|
|
if (port >= 0 &&
|
|
ch->slot[i].ccb->ccb_h.target_id != port)
|
|
continue;
|
|
if (istatus & AHCI_P_IX_TFE) {
|
|
if (port != -2) {
|
|
/* Task File Error */
|
|
if (ch->numtslotspd[
|
|
ch->slot[i].ccb->ccb_h.target_id] == 0) {
|
|
/* Untagged operation. */
|
|
if (i == ccs)
|
|
et = AHCI_ERR_TFE;
|
|
else
|
|
et = AHCI_ERR_INNOCENT;
|
|
} else {
|
|
/* Tagged operation. */
|
|
et = AHCI_ERR_NCQ;
|
|
}
|
|
} else {
|
|
et = AHCI_ERR_TFE;
|
|
ch->fatalerr = 1;
|
|
}
|
|
} else if (istatus & AHCI_P_IX_IF) {
|
|
if (ch->numtslots == 0 && i != ccs && port != -2)
|
|
et = AHCI_ERR_INNOCENT;
|
|
else
|
|
et = AHCI_ERR_SATA;
|
|
} else
|
|
et = AHCI_ERR_INVALID;
|
|
ahci_end_transaction(&ch->slot[i], et);
|
|
}
|
|
/*
|
|
* We can't reinit port if there are some other
|
|
* commands active, use resume to complete them.
|
|
*/
|
|
if (ch->rslots != 0)
|
|
ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN | AHCI_P_FBS_DEC);
|
|
}
|
|
/* Process NOTIFY events */
|
|
if (sntf)
|
|
ahci_notify_events(dev, sntf);
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static int
|
|
ahci_check_collision(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int t = ccb->ccb_h.target_id;
|
|
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
/* Tagged command while we have no supported tag free. */
|
|
if (((~ch->oslots) & (0xffffffff >> (32 -
|
|
ch->curr[t].tags))) == 0)
|
|
return (1);
|
|
/* If we have FBS */
|
|
if (ch->fbs_enabled) {
|
|
/* Tagged command while untagged are active. */
|
|
if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] == 0)
|
|
return (1);
|
|
} else {
|
|
/* Tagged command while untagged are active. */
|
|
if (ch->numrslots != 0 && ch->numtslots == 0)
|
|
return (1);
|
|
/* Tagged command while tagged to other target is active. */
|
|
if (ch->numtslots != 0 &&
|
|
ch->taggedtarget != ccb->ccb_h.target_id)
|
|
return (1);
|
|
}
|
|
} else {
|
|
/* If we have FBS */
|
|
if (ch->fbs_enabled) {
|
|
/* Untagged command while tagged are active. */
|
|
if (ch->numrslotspd[t] != 0 && ch->numtslotspd[t] != 0)
|
|
return (1);
|
|
} else {
|
|
/* Untagged command while tagged are active. */
|
|
if (ch->numrslots != 0 && ch->numtslots != 0)
|
|
return (1);
|
|
}
|
|
}
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
|
|
/* Atomic command while anything active. */
|
|
if (ch->numrslots != 0)
|
|
return (1);
|
|
}
|
|
/* We have some atomic command running. */
|
|
if (ch->aslots != 0)
|
|
return (1);
|
|
return (0);
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
ahci_begin_transaction(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct ahci_slot *slot;
|
|
int tag, tags;
|
|
|
|
/* Choose empty slot. */
|
|
tags = ch->numslots;
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
|
|
tags = ch->curr[ccb->ccb_h.target_id].tags;
|
|
tag = ch->lastslot;
|
|
while (1) {
|
|
if (tag >= tags)
|
|
tag = 0;
|
|
if (ch->slot[tag].state == AHCI_SLOT_EMPTY)
|
|
break;
|
|
tag++;
|
|
};
|
|
ch->lastslot = tag;
|
|
/* Occupy chosen slot. */
|
|
slot = &ch->slot[tag];
|
|
slot->ccb = ccb;
|
|
/* Stop PM timer. */
|
|
if (ch->numrslots == 0 && ch->pm_level > 3)
|
|
callout_stop(&ch->pm_timer);
|
|
/* Update channel stats. */
|
|
ch->oslots |= (1 << slot->slot);
|
|
ch->numrslots++;
|
|
ch->numrslotspd[ccb->ccb_h.target_id]++;
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
ch->numtslots++;
|
|
ch->numtslotspd[ccb->ccb_h.target_id]++;
|
|
ch->taggedtarget = ccb->ccb_h.target_id;
|
|
}
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
|
|
ch->aslots |= (1 << slot->slot);
|
|
slot->dma.nsegs = 0;
|
|
/* If request moves data, setup and load SG list */
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
void *buf;
|
|
bus_size_t size;
|
|
|
|
slot->state = AHCI_SLOT_LOADING;
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
buf = ccb->ataio.data_ptr;
|
|
size = ccb->ataio.dxfer_len;
|
|
} else {
|
|
buf = ccb->csio.data_ptr;
|
|
size = ccb->csio.dxfer_len;
|
|
}
|
|
bus_dmamap_load(ch->dma.data_tag, slot->dma.data_map,
|
|
buf, size, ahci_dmasetprd, slot, 0);
|
|
} else
|
|
ahci_execute_transaction(slot);
|
|
}
|
|
|
|
/* Locked by busdma engine. */
|
|
static void
|
|
ahci_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
struct ahci_slot *slot = arg;
|
|
struct ahci_channel *ch = device_get_softc(slot->dev);
|
|
struct ahci_cmd_tab *ctp;
|
|
struct ahci_dma_prd *prd;
|
|
int i;
|
|
|
|
if (error) {
|
|
device_printf(slot->dev, "DMA load error\n");
|
|
ahci_end_transaction(slot, AHCI_ERR_INVALID);
|
|
return;
|
|
}
|
|
KASSERT(nsegs <= AHCI_SG_ENTRIES, ("too many DMA segment entries\n"));
|
|
/* Get a piece of the workspace for this request */
|
|
ctp = (struct ahci_cmd_tab *)
|
|
(ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot));
|
|
/* Fill S/G table */
|
|
prd = &ctp->prd_tab[0];
|
|
for (i = 0; i < nsegs; i++) {
|
|
prd[i].dba = htole64(segs[i].ds_addr);
|
|
prd[i].dbc = htole32((segs[i].ds_len - 1) & AHCI_PRD_MASK);
|
|
}
|
|
slot->dma.nsegs = nsegs;
|
|
bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
|
|
((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
|
|
BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
|
|
ahci_execute_transaction(slot);
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
ahci_execute_transaction(struct ahci_slot *slot)
|
|
{
|
|
device_t dev = slot->dev;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct ahci_cmd_tab *ctp;
|
|
struct ahci_cmd_list *clp;
|
|
union ccb *ccb = slot->ccb;
|
|
int port = ccb->ccb_h.target_id & 0x0f;
|
|
int fis_size, i;
|
|
uint8_t *fis = ch->dma.rfis + 0x40;
|
|
uint8_t val;
|
|
|
|
/* Get a piece of the workspace for this request */
|
|
ctp = (struct ahci_cmd_tab *)
|
|
(ch->dma.work + AHCI_CT_OFFSET + (AHCI_CT_SIZE * slot->slot));
|
|
/* Setup the FIS for this request */
|
|
if (!(fis_size = ahci_setup_fis(dev, ctp, ccb, slot->slot))) {
|
|
device_printf(ch->dev, "Setting up SATA FIS failed\n");
|
|
ahci_end_transaction(slot, AHCI_ERR_INVALID);
|
|
return;
|
|
}
|
|
/* Setup the command list entry */
|
|
clp = (struct ahci_cmd_list *)
|
|
(ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot));
|
|
clp->cmd_flags = htole16(
|
|
(ccb->ccb_h.flags & CAM_DIR_OUT ? AHCI_CMD_WRITE : 0) |
|
|
(ccb->ccb_h.func_code == XPT_SCSI_IO ?
|
|
(AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH) : 0) |
|
|
(fis_size / sizeof(u_int32_t)) |
|
|
(port << 12));
|
|
clp->prd_length = htole16(slot->dma.nsegs);
|
|
/* Special handling for Soft Reset command. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL)) {
|
|
if (ccb->ataio.cmd.control & ATA_A_RESET) {
|
|
/* Kick controller into sane state */
|
|
ahci_stop(dev);
|
|
ahci_clo(dev);
|
|
ahci_start(dev, 0);
|
|
clp->cmd_flags |= AHCI_CMD_RESET | AHCI_CMD_CLR_BUSY;
|
|
} else {
|
|
/* Prepare FIS receive area for check. */
|
|
for (i = 0; i < 20; i++)
|
|
fis[i] = 0xff;
|
|
}
|
|
}
|
|
clp->bytecount = 0;
|
|
clp->cmd_table_phys = htole64(ch->dma.work_bus + AHCI_CT_OFFSET +
|
|
(AHCI_CT_SIZE * slot->slot));
|
|
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
|
|
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
|
|
bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map,
|
|
BUS_DMASYNC_PREREAD);
|
|
/* Set ACTIVE bit for NCQ commands. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SACT, 1 << slot->slot);
|
|
}
|
|
/* If FBS is enabled, set PMP port. */
|
|
if (ch->fbs_enabled) {
|
|
ATA_OUTL(ch->r_mem, AHCI_P_FBS, AHCI_P_FBS_EN |
|
|
(port << AHCI_P_FBS_DEV_SHIFT));
|
|
}
|
|
/* Issue command to the controller. */
|
|
slot->state = AHCI_SLOT_RUNNING;
|
|
ch->rslots |= (1 << slot->slot);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CI, (1 << slot->slot));
|
|
/* Device reset commands doesn't interrupt. Poll them. */
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO &&
|
|
(ccb->ataio.cmd.command == ATA_DEVICE_RESET ||
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL))) {
|
|
int count, timeout = ccb->ccb_h.timeout;
|
|
enum ahci_err_type et = AHCI_ERR_NONE;
|
|
|
|
for (count = 0; count < timeout; count++) {
|
|
DELAY(1000);
|
|
if (!(ATA_INL(ch->r_mem, AHCI_P_CI) & (1 << slot->slot)))
|
|
break;
|
|
if (ATA_INL(ch->r_mem, AHCI_P_TFD) & ATA_S_ERROR) {
|
|
device_printf(ch->dev,
|
|
"Poll error on slot %d, TFD: %04x\n",
|
|
slot->slot, ATA_INL(ch->r_mem, AHCI_P_TFD));
|
|
et = AHCI_ERR_TFE;
|
|
break;
|
|
}
|
|
/* Workaround for ATI SB600/SB700 chipsets. */
|
|
if (ccb->ccb_h.target_id == 15 &&
|
|
pci_get_vendor(device_get_parent(dev)) == 0x1002 &&
|
|
(ATA_INL(ch->r_mem, AHCI_P_IS) & AHCI_P_IX_IPM)) {
|
|
et = AHCI_ERR_TIMEOUT;
|
|
break;
|
|
}
|
|
}
|
|
if (timeout && (count >= timeout)) {
|
|
device_printf(ch->dev,
|
|
"Poll timeout on slot %d\n", slot->slot);
|
|
device_printf(dev, "is %08x cs %08x ss %08x "
|
|
"rs %08x tfd %02x serr %08x\n",
|
|
ATA_INL(ch->r_mem, AHCI_P_IS),
|
|
ATA_INL(ch->r_mem, AHCI_P_CI),
|
|
ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
|
|
ATA_INL(ch->r_mem, AHCI_P_TFD),
|
|
ATA_INL(ch->r_mem, AHCI_P_SERR));
|
|
et = AHCI_ERR_TIMEOUT;
|
|
}
|
|
/* Marvell controllers do not wait for readyness. */
|
|
if ((ch->quirks & AHCI_Q_NOBSYRES) &&
|
|
(ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET) == 0) {
|
|
while ((val = fis[2]) & (ATA_S_BUSY | ATA_S_DRQ)) {
|
|
DELAY(1000);
|
|
if (count++ >= timeout) {
|
|
device_printf(dev, "device is not "
|
|
"ready after soft-reset: "
|
|
"tfd = %08x\n", val);
|
|
et = AHCI_ERR_TIMEOUT;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
ahci_end_transaction(slot, et);
|
|
/* Kick controller into sane state and enable FBS. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET) == 0) {
|
|
ahci_stop(ch->dev);
|
|
ahci_start(ch->dev, 1);
|
|
}
|
|
return;
|
|
}
|
|
/* Start command execution timeout */
|
|
callout_reset(&slot->timeout, (int)ccb->ccb_h.timeout * hz / 2000,
|
|
(timeout_t*)ahci_timeout, slot);
|
|
return;
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
ahci_process_timeout(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
/* Handle the rest of commands. */
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
/* Do we have a running request on slot? */
|
|
if (ch->slot[i].state < AHCI_SLOT_RUNNING)
|
|
continue;
|
|
ahci_end_transaction(&ch->slot[i], AHCI_ERR_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
ahci_rearm_timeout(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
struct ahci_slot *slot = &ch->slot[i];
|
|
|
|
/* Do we have a running request on slot? */
|
|
if (slot->state < AHCI_SLOT_RUNNING)
|
|
continue;
|
|
if ((ch->toslots & (1 << i)) == 0)
|
|
continue;
|
|
callout_reset(&slot->timeout,
|
|
(int)slot->ccb->ccb_h.timeout * hz / 2000,
|
|
(timeout_t*)ahci_timeout, slot);
|
|
}
|
|
}
|
|
|
|
/* Locked by callout mechanism. */
|
|
static void
|
|
ahci_timeout(struct ahci_slot *slot)
|
|
{
|
|
device_t dev = slot->dev;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
uint32_t sstatus;
|
|
int ccs;
|
|
int i;
|
|
|
|
/* Check for stale timeout. */
|
|
if (slot->state < AHCI_SLOT_RUNNING)
|
|
return;
|
|
|
|
/* Check if slot was not being executed last time we checked. */
|
|
if (slot->state < AHCI_SLOT_EXECUTING) {
|
|
/* Check if slot started executing. */
|
|
sstatus = ATA_INL(ch->r_mem, AHCI_P_SACT);
|
|
ccs = (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CCS_MASK)
|
|
>> AHCI_P_CMD_CCS_SHIFT;
|
|
if ((sstatus & (1 << slot->slot)) != 0 || ccs == slot->slot ||
|
|
ch->fbs_enabled)
|
|
slot->state = AHCI_SLOT_EXECUTING;
|
|
|
|
callout_reset(&slot->timeout,
|
|
(int)slot->ccb->ccb_h.timeout * hz / 2000,
|
|
(timeout_t*)ahci_timeout, slot);
|
|
return;
|
|
}
|
|
|
|
device_printf(dev, "Timeout on slot %d\n", slot->slot);
|
|
device_printf(dev, "is %08x cs %08x ss %08x rs %08x tfd %02x serr %08x\n",
|
|
ATA_INL(ch->r_mem, AHCI_P_IS), ATA_INL(ch->r_mem, AHCI_P_CI),
|
|
ATA_INL(ch->r_mem, AHCI_P_SACT), ch->rslots,
|
|
ATA_INL(ch->r_mem, AHCI_P_TFD), ATA_INL(ch->r_mem, AHCI_P_SERR));
|
|
|
|
/* Handle frozen command. */
|
|
if (ch->frozen) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
|
|
if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(fccb->ccb_h.path, 1);
|
|
fccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
xpt_done(fccb);
|
|
}
|
|
if (!ch->fbs_enabled) {
|
|
/* Without FBS we know real timeout source. */
|
|
ch->fatalerr = 1;
|
|
/* Handle command with timeout. */
|
|
ahci_end_transaction(&ch->slot[slot->slot], AHCI_ERR_TIMEOUT);
|
|
/* Handle the rest of commands. */
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
/* Do we have a running request on slot? */
|
|
if (ch->slot[i].state < AHCI_SLOT_RUNNING)
|
|
continue;
|
|
ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT);
|
|
}
|
|
} else {
|
|
/* With FBS we wait for other commands timeout and pray. */
|
|
if (ch->toslots == 0)
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ch->toslots |= (1 << slot->slot);
|
|
if ((ch->rslots & ~ch->toslots) == 0)
|
|
ahci_process_timeout(dev);
|
|
else
|
|
device_printf(dev, " ... waiting for slots %08x\n",
|
|
ch->rslots & ~ch->toslots);
|
|
}
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
ahci_end_transaction(struct ahci_slot *slot, enum ahci_err_type et)
|
|
{
|
|
device_t dev = slot->dev;
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = slot->ccb;
|
|
struct ahci_cmd_list *clp;
|
|
int lastto;
|
|
|
|
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
|
|
BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
|
|
clp = (struct ahci_cmd_list *)
|
|
(ch->dma.work + AHCI_CL_OFFSET + (AHCI_CL_SIZE * slot->slot));
|
|
/* Read result registers to the result struct
|
|
* May be incorrect if several commands finished same time,
|
|
* so read only when sure or have to.
|
|
*/
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
struct ata_res *res = &ccb->ataio.res;
|
|
|
|
if ((et == AHCI_ERR_TFE) ||
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
|
|
u_int8_t *fis = ch->dma.rfis + 0x40;
|
|
|
|
bus_dmamap_sync(ch->dma.rfis_tag, ch->dma.rfis_map,
|
|
BUS_DMASYNC_POSTREAD);
|
|
if (ch->fbs_enabled) {
|
|
fis += ccb->ccb_h.target_id * 256;
|
|
res->status = fis[2];
|
|
res->error = fis[3];
|
|
} else {
|
|
uint16_t tfd = ATA_INL(ch->r_mem, AHCI_P_TFD);
|
|
|
|
res->status = tfd;
|
|
res->error = tfd >> 8;
|
|
}
|
|
res->lba_low = fis[4];
|
|
res->lba_mid = fis[5];
|
|
res->lba_high = fis[6];
|
|
res->device = fis[7];
|
|
res->lba_low_exp = fis[8];
|
|
res->lba_mid_exp = fis[9];
|
|
res->lba_high_exp = fis[10];
|
|
res->sector_count = fis[12];
|
|
res->sector_count_exp = fis[13];
|
|
} else
|
|
bzero(res, sizeof(*res));
|
|
if ((ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) == 0 &&
|
|
(ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
ccb->ataio.resid =
|
|
ccb->ataio.dxfer_len - le32toh(clp->bytecount);
|
|
}
|
|
} else {
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
ccb->csio.resid =
|
|
ccb->csio.dxfer_len - le32toh(clp->bytecount);
|
|
}
|
|
}
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
|
|
(ccb->ccb_h.flags & CAM_DIR_IN) ?
|
|
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
|
|
}
|
|
if (et != AHCI_ERR_NONE)
|
|
ch->eslots |= (1 << slot->slot);
|
|
/* In case of error, freeze device for proper recovery. */
|
|
if ((et != AHCI_ERR_NONE) && (!ch->readlog) &&
|
|
!(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(ccb->ccb_h.path, 1);
|
|
ccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
/* Set proper result status. */
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
switch (et) {
|
|
case AHCI_ERR_NONE:
|
|
ccb->ccb_h.status |= CAM_REQ_CMP;
|
|
if (ccb->ccb_h.func_code == XPT_SCSI_IO)
|
|
ccb->csio.scsi_status = SCSI_STATUS_OK;
|
|
break;
|
|
case AHCI_ERR_INVALID:
|
|
ch->fatalerr = 1;
|
|
ccb->ccb_h.status |= CAM_REQ_INVALID;
|
|
break;
|
|
case AHCI_ERR_INNOCENT:
|
|
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
break;
|
|
case AHCI_ERR_TFE:
|
|
case AHCI_ERR_NCQ:
|
|
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
|
|
ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
|
|
ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
|
|
} else {
|
|
ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
|
|
}
|
|
break;
|
|
case AHCI_ERR_SATA:
|
|
ch->fatalerr = 1;
|
|
if (!ch->readlog) {
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
}
|
|
ccb->ccb_h.status |= CAM_UNCOR_PARITY;
|
|
break;
|
|
case AHCI_ERR_TIMEOUT:
|
|
if (!ch->readlog) {
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
}
|
|
ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
|
|
break;
|
|
default:
|
|
ch->fatalerr = 1;
|
|
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
|
|
}
|
|
/* Free slot. */
|
|
ch->oslots &= ~(1 << slot->slot);
|
|
ch->rslots &= ~(1 << slot->slot);
|
|
ch->aslots &= ~(1 << slot->slot);
|
|
slot->state = AHCI_SLOT_EMPTY;
|
|
slot->ccb = NULL;
|
|
/* Update channel stats. */
|
|
ch->numrslots--;
|
|
ch->numrslotspd[ccb->ccb_h.target_id]--;
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
ch->numtslots--;
|
|
ch->numtslotspd[ccb->ccb_h.target_id]--;
|
|
}
|
|
/* Cancel timeout state if request completed normally. */
|
|
if (et != AHCI_ERR_TIMEOUT) {
|
|
lastto = (ch->toslots == (1 << slot->slot));
|
|
ch->toslots &= ~(1 << slot->slot);
|
|
if (lastto)
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
/* If it was first request of reset sequence and there is no error,
|
|
* proceed to second request. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET) &&
|
|
et == AHCI_ERR_NONE) {
|
|
ccb->ataio.cmd.control &= ~ATA_A_RESET;
|
|
ahci_begin_transaction(dev, ccb);
|
|
return;
|
|
}
|
|
/* If it was our READ LOG command - process it. */
|
|
if (ch->readlog) {
|
|
ahci_process_read_log(dev, ccb);
|
|
/* If it was NCQ command error, put result on hold. */
|
|
} else if (et == AHCI_ERR_NCQ) {
|
|
ch->hold[slot->slot] = ccb;
|
|
ch->numhslots++;
|
|
} else
|
|
xpt_done(ccb);
|
|
/* Unfreeze frozen command. */
|
|
if (ch->frozen && !ahci_check_collision(dev, ch->frozen)) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
ahci_begin_transaction(dev, fccb);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
/* If we have no other active commands, ... */
|
|
if (ch->rslots == 0) {
|
|
/* if there was fatal error - reset port. */
|
|
if (ch->toslots != 0 || ch->fatalerr) {
|
|
ahci_reset(dev);
|
|
} else {
|
|
/* if we have slots in error, we can reinit port. */
|
|
if (ch->eslots != 0) {
|
|
ahci_stop(dev);
|
|
ahci_start(dev, 1);
|
|
}
|
|
/* if there commands on hold, we can do READ LOG. */
|
|
if (!ch->readlog && ch->numhslots)
|
|
ahci_issue_read_log(dev);
|
|
}
|
|
/* If all the rest of commands are in timeout - give them chance. */
|
|
} else if ((ch->rslots & ~ch->toslots) == 0 &&
|
|
et != AHCI_ERR_TIMEOUT)
|
|
ahci_rearm_timeout(dev);
|
|
/* Start PM timer. */
|
|
if (ch->numrslots == 0 && ch->pm_level > 3 &&
|
|
(ch->curr[ch->pm_present ? 15 : 0].caps & CTS_SATA_CAPS_D_PMREQ)) {
|
|
callout_schedule(&ch->pm_timer,
|
|
(ch->pm_level == 4) ? hz / 1000 : hz / 8);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_issue_read_log(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb;
|
|
struct ccb_ataio *ataio;
|
|
int i;
|
|
|
|
ch->readlog = 1;
|
|
/* Find some holden command. */
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
if (ch->hold[i])
|
|
break;
|
|
}
|
|
ccb = xpt_alloc_ccb_nowait();
|
|
if (ccb == NULL) {
|
|
device_printf(dev, "Unable allocate READ LOG command");
|
|
return; /* XXX */
|
|
}
|
|
ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
|
|
ccb->ccb_h.func_code = XPT_ATA_IO;
|
|
ccb->ccb_h.flags = CAM_DIR_IN;
|
|
ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
|
|
ataio = &ccb->ataio;
|
|
ataio->data_ptr = malloc(512, M_AHCI, M_NOWAIT);
|
|
if (ataio->data_ptr == NULL) {
|
|
xpt_free_ccb(ccb);
|
|
device_printf(dev, "Unable allocate memory for READ LOG command");
|
|
return; /* XXX */
|
|
}
|
|
ataio->dxfer_len = 512;
|
|
bzero(&ataio->cmd, sizeof(ataio->cmd));
|
|
ataio->cmd.flags = CAM_ATAIO_48BIT;
|
|
ataio->cmd.command = 0x2F; /* READ LOG EXT */
|
|
ataio->cmd.sector_count = 1;
|
|
ataio->cmd.sector_count_exp = 0;
|
|
ataio->cmd.lba_low = 0x10;
|
|
ataio->cmd.lba_mid = 0;
|
|
ataio->cmd.lba_mid_exp = 0;
|
|
/* Freeze SIM while doing READ LOG EXT. */
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ahci_begin_transaction(dev, ccb);
|
|
}
|
|
|
|
static void
|
|
ahci_process_read_log(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
uint8_t *data;
|
|
struct ata_res *res;
|
|
int i;
|
|
|
|
ch->readlog = 0;
|
|
|
|
data = ccb->ataio.data_ptr;
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
|
|
(data[0] & 0x80) == 0) {
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
if (!ch->hold[i])
|
|
continue;
|
|
if ((data[0] & 0x1F) == i) {
|
|
res = &ch->hold[i]->ataio.res;
|
|
res->status = data[2];
|
|
res->error = data[3];
|
|
res->lba_low = data[4];
|
|
res->lba_mid = data[5];
|
|
res->lba_high = data[6];
|
|
res->device = data[7];
|
|
res->lba_low_exp = data[8];
|
|
res->lba_mid_exp = data[9];
|
|
res->lba_high_exp = data[10];
|
|
res->sector_count = data[12];
|
|
res->sector_count_exp = data[13];
|
|
} else {
|
|
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
}
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
}
|
|
} else {
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
|
|
device_printf(dev, "Error while READ LOG EXT\n");
|
|
else if ((data[0] & 0x80) == 0) {
|
|
device_printf(dev, "Non-queued command error in READ LOG EXT\n");
|
|
}
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
if (!ch->hold[i])
|
|
continue;
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
}
|
|
}
|
|
free(ccb->ataio.data_ptr, M_AHCI);
|
|
xpt_free_ccb(ccb);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
|
|
static void
|
|
ahci_start(device_t dev, int fbs)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
|
|
/* Clear SATA error register */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xFFFFFFFF);
|
|
/* Clear any interrupts pending on this channel */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IS, 0xFFFFFFFF);
|
|
/* Configure FIS-based switching if supported. */
|
|
if (ch->chcaps & AHCI_P_CMD_FBSCP) {
|
|
ch->fbs_enabled = (fbs && ch->pm_present) ? 1 : 0;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_FBS,
|
|
ch->fbs_enabled ? AHCI_P_FBS_EN : 0);
|
|
}
|
|
/* Start operations on this channel */
|
|
cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
cmd &= ~AHCI_P_CMD_PMA;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_ST |
|
|
(ch->pm_present ? AHCI_P_CMD_PMA : 0));
|
|
}
|
|
|
|
static void
|
|
ahci_stop(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
int timeout;
|
|
|
|
/* Kill all activity on this channel */
|
|
cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_ST);
|
|
/* Wait for activity stop. */
|
|
timeout = 0;
|
|
do {
|
|
DELAY(1000);
|
|
if (timeout++ > 1000) {
|
|
device_printf(dev, "stopping AHCI engine failed\n");
|
|
break;
|
|
}
|
|
} while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CR);
|
|
ch->eslots = 0;
|
|
}
|
|
|
|
static void
|
|
ahci_clo(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
int timeout;
|
|
|
|
/* Issue Command List Override if supported */
|
|
if (ch->caps & AHCI_CAP_SCLO) {
|
|
cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
cmd |= AHCI_P_CMD_CLO;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd);
|
|
timeout = 0;
|
|
do {
|
|
DELAY(1000);
|
|
if (timeout++ > 1000) {
|
|
device_printf(dev, "executing CLO failed\n");
|
|
break;
|
|
}
|
|
} while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_CLO);
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahci_stop_fr(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
int timeout;
|
|
|
|
/* Kill all FIS reception on this channel */
|
|
cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd & ~AHCI_P_CMD_FRE);
|
|
/* Wait for FIS reception stop. */
|
|
timeout = 0;
|
|
do {
|
|
DELAY(1000);
|
|
if (timeout++ > 1000) {
|
|
device_printf(dev, "stopping AHCI FR engine failed\n");
|
|
break;
|
|
}
|
|
} while (ATA_INL(ch->r_mem, AHCI_P_CMD) & AHCI_P_CMD_FR);
|
|
}
|
|
|
|
static void
|
|
ahci_start_fr(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int32_t cmd;
|
|
|
|
/* Start FIS reception on this channel */
|
|
cmd = ATA_INL(ch->r_mem, AHCI_P_CMD);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_CMD, cmd | AHCI_P_CMD_FRE);
|
|
}
|
|
|
|
static int
|
|
ahci_wait_ready(device_t dev, int t)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int timeout = 0;
|
|
uint32_t val;
|
|
|
|
while ((val = ATA_INL(ch->r_mem, AHCI_P_TFD)) &
|
|
(ATA_S_BUSY | ATA_S_DRQ)) {
|
|
DELAY(1000);
|
|
if (timeout++ > t) {
|
|
device_printf(dev, "device is not ready (timeout %dms) "
|
|
"tfd = %08x\n", t, val);
|
|
return (EBUSY);
|
|
}
|
|
}
|
|
if (bootverbose)
|
|
device_printf(dev, "ready wait time=%dms\n", timeout);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
ahci_reset(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
struct ahci_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
int i;
|
|
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
if (bootverbose)
|
|
device_printf(dev, "AHCI reset...\n");
|
|
/* Requeue freezed command. */
|
|
if (ch->frozen) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
fccb->ccb_h.status = CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
|
|
if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(fccb->ccb_h.path, 1);
|
|
fccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
xpt_done(fccb);
|
|
}
|
|
/* Kill the engine and requeue all running commands. */
|
|
ahci_stop(dev);
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
/* Do we have a running request on slot? */
|
|
if (ch->slot[i].state < AHCI_SLOT_RUNNING)
|
|
continue;
|
|
/* XXX; Commands in loading state. */
|
|
ahci_end_transaction(&ch->slot[i], AHCI_ERR_INNOCENT);
|
|
}
|
|
for (i = 0; i < ch->numslots; i++) {
|
|
if (!ch->hold[i])
|
|
continue;
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
}
|
|
if (ch->toslots != 0)
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
ch->eslots = 0;
|
|
ch->toslots = 0;
|
|
ch->fatalerr = 0;
|
|
/* Tell the XPT about the event */
|
|
xpt_async(AC_BUS_RESET, ch->path, NULL);
|
|
/* Disable port interrupts */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IE, 0);
|
|
/* Reset and reconnect PHY, */
|
|
if (!ahci_sata_phy_reset(dev)) {
|
|
if (bootverbose)
|
|
device_printf(dev,
|
|
"AHCI reset done: phy reset found no device\n");
|
|
ch->devices = 0;
|
|
/* Enable wanted port interrupts */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IE,
|
|
(AHCI_P_IX_CPD | AHCI_P_IX_PRC | AHCI_P_IX_PC));
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
return;
|
|
}
|
|
/* Wait for clearing busy status. */
|
|
if (ahci_wait_ready(dev, 15000))
|
|
ahci_clo(dev);
|
|
ahci_start(dev, 1);
|
|
ch->devices = 1;
|
|
/* Enable wanted port interrupts */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_IE,
|
|
(AHCI_P_IX_CPD | AHCI_P_IX_TFE | AHCI_P_IX_HBF |
|
|
AHCI_P_IX_HBD | AHCI_P_IX_IF | AHCI_P_IX_OF |
|
|
((ch->pm_level == 0) ? AHCI_P_IX_PRC | AHCI_P_IX_PC : 0) |
|
|
AHCI_P_IX_DP | AHCI_P_IX_UF | (ctlr->ccc ? 0 : AHCI_P_IX_SDB) |
|
|
AHCI_P_IX_DS | AHCI_P_IX_PS | (ctlr->ccc ? 0 : AHCI_P_IX_DHR)));
|
|
if (bootverbose)
|
|
device_printf(dev, "AHCI reset done: device found\n");
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
|
|
static int
|
|
ahci_setup_fis(device_t dev, struct ahci_cmd_tab *ctp, union ccb *ccb, int tag)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
u_int8_t *fis = &ctp->cfis[0];
|
|
|
|
bzero(ctp->cfis, 64);
|
|
fis[0] = 0x27; /* host to device */
|
|
fis[1] = (ccb->ccb_h.target_id & 0x0f);
|
|
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
|
|
fis[1] |= 0x80;
|
|
fis[2] = ATA_PACKET_CMD;
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
|
|
ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
|
|
fis[3] = ATA_F_DMA;
|
|
else {
|
|
fis[5] = ccb->csio.dxfer_len;
|
|
fis[6] = ccb->csio.dxfer_len >> 8;
|
|
}
|
|
fis[7] = ATA_D_LBA;
|
|
fis[15] = ATA_A_4BIT;
|
|
bzero(ctp->acmd, 32);
|
|
bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
|
|
ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
|
|
ctp->acmd, ccb->csio.cdb_len);
|
|
} else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
|
|
fis[1] |= 0x80;
|
|
fis[2] = ccb->ataio.cmd.command;
|
|
fis[3] = ccb->ataio.cmd.features;
|
|
fis[4] = ccb->ataio.cmd.lba_low;
|
|
fis[5] = ccb->ataio.cmd.lba_mid;
|
|
fis[6] = ccb->ataio.cmd.lba_high;
|
|
fis[7] = ccb->ataio.cmd.device;
|
|
fis[8] = ccb->ataio.cmd.lba_low_exp;
|
|
fis[9] = ccb->ataio.cmd.lba_mid_exp;
|
|
fis[10] = ccb->ataio.cmd.lba_high_exp;
|
|
fis[11] = ccb->ataio.cmd.features_exp;
|
|
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
|
|
fis[12] = tag << 3;
|
|
fis[13] = 0;
|
|
} else {
|
|
fis[12] = ccb->ataio.cmd.sector_count;
|
|
fis[13] = ccb->ataio.cmd.sector_count_exp;
|
|
}
|
|
fis[15] = ATA_A_4BIT;
|
|
} else {
|
|
fis[15] = ccb->ataio.cmd.control;
|
|
}
|
|
return (20);
|
|
}
|
|
|
|
static int
|
|
ahci_sata_connect(struct ahci_channel *ch)
|
|
{
|
|
u_int32_t status;
|
|
int timeout;
|
|
|
|
/* Wait up to 100ms for "connect well" */
|
|
for (timeout = 0; timeout < 100 ; timeout++) {
|
|
status = ATA_INL(ch->r_mem, AHCI_P_SSTS);
|
|
if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
|
|
((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
|
|
((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
|
|
break;
|
|
if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) {
|
|
if (bootverbose) {
|
|
device_printf(ch->dev, "SATA offline status=%08x\n",
|
|
status);
|
|
}
|
|
return (0);
|
|
}
|
|
DELAY(1000);
|
|
}
|
|
if (timeout >= 100) {
|
|
if (bootverbose) {
|
|
device_printf(ch->dev, "SATA connect timeout status=%08x\n",
|
|
status);
|
|
}
|
|
return (0);
|
|
}
|
|
if (bootverbose) {
|
|
device_printf(ch->dev, "SATA connect time=%dms status=%08x\n",
|
|
timeout, status);
|
|
}
|
|
/* Clear SATA error register */
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SERR, 0xffffffff);
|
|
return (1);
|
|
}
|
|
|
|
static int
|
|
ahci_sata_phy_reset(device_t dev)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
int sata_rev;
|
|
uint32_t val;
|
|
|
|
sata_rev = ch->user[ch->pm_present ? 15 : 0].revision;
|
|
if (sata_rev == 1)
|
|
val = ATA_SC_SPD_SPEED_GEN1;
|
|
else if (sata_rev == 2)
|
|
val = ATA_SC_SPD_SPEED_GEN2;
|
|
else if (sata_rev == 3)
|
|
val = ATA_SC_SPD_SPEED_GEN3;
|
|
else
|
|
val = 0;
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SCTL,
|
|
ATA_SC_DET_RESET | val |
|
|
ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER);
|
|
DELAY(5000);
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SCTL,
|
|
ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
|
|
(ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
|
|
DELAY(5000);
|
|
if (!ahci_sata_connect(ch)) {
|
|
if (ch->pm_level > 0)
|
|
ATA_OUTL(ch->r_mem, AHCI_P_SCTL, ATA_SC_DET_DISABLE);
|
|
return (0);
|
|
}
|
|
return (1);
|
|
}
|
|
|
|
static int
|
|
ahci_check_ids(device_t dev, union ccb *ccb)
|
|
{
|
|
struct ahci_channel *ch = device_get_softc(dev);
|
|
|
|
if (ccb->ccb_h.target_id > ((ch->caps & AHCI_CAP_SPM) ? 15 : 0)) {
|
|
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
|
|
ahciaction(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
device_t dev, parent;
|
|
struct ahci_channel *ch;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahciaction func_code=%x\n",
|
|
ccb->ccb_h.func_code));
|
|
|
|
ch = (struct ahci_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 (ahci_check_ids(dev, ccb))
|
|
return;
|
|
if (ch->devices == 0 ||
|
|
(ch->pm_present == 0 &&
|
|
ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) {
|
|
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
|
|
break;
|
|
}
|
|
/* Check for command collision. */
|
|
if (ahci_check_collision(dev, ccb)) {
|
|
/* Freeze command. */
|
|
ch->frozen = ccb;
|
|
/* We have only one frozen slot, so freeze simq also. */
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
return;
|
|
}
|
|
ahci_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 ahci_device *d;
|
|
|
|
if (ahci_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 (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)
|
|
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_TAGS)
|
|
d->tags = min(ch->numslots, cts->xport_specific.sata.tags);
|
|
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM)
|
|
ch->pm_present = cts->xport_specific.sata.pm_present;
|
|
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;
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
/* Get default/user set transfer settings for the target */
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
|
struct ahci_device *d;
|
|
uint32_t status;
|
|
|
|
if (ahci_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;
|
|
cts->transport = XPORT_SATA;
|
|
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
|
|
cts->proto_specific.valid = 0;
|
|
cts->xport_specific.sata.valid = 0;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
|
|
(ccb->ccb_h.target_id == 15 ||
|
|
(ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
|
|
status = ATA_INL(ch->r_mem, AHCI_P_SSTS) & ATA_SS_SPD_MASK;
|
|
if (status & 0x0f0) {
|
|
cts->xport_specific.sata.revision =
|
|
(status & 0x0f0) >> 4;
|
|
cts->xport_specific.sata.valid |=
|
|
CTS_SATA_VALID_REVISION;
|
|
}
|
|
cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D;
|
|
if (ch->pm_level) {
|
|
if (ch->caps & (AHCI_CAP_PSC | AHCI_CAP_SSC))
|
|
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ;
|
|
if (ch->caps2 & AHCI_CAP2_APST)
|
|
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_APST;
|
|
}
|
|
if ((ch->caps & AHCI_CAP_SNCQ) &&
|
|
(ch->quirks & AHCI_Q_NOAA) == 0)
|
|
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_DMAAA;
|
|
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.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;
|
|
cts->xport_specific.sata.pm_present = ch->pm_present;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
|
|
cts->xport_specific.sata.tags = d->tags;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
|
|
cts->xport_specific.sata.atapi = d->atapi;
|
|
cts->xport_specific.sata.valid |= CTS_SATA_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 */
|
|
ahci_reset(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;
|
|
if (ch->caps & AHCI_CAP_SNCQ)
|
|
cpi->hba_inquiry |= PI_TAG_ABLE;
|
|
if (ch->caps & AHCI_CAP_SPM)
|
|
cpi->hba_inquiry |= PI_SATAPM;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_SEQSCAN;
|
|
cpi->hba_eng_cnt = 0;
|
|
if (ch->caps & AHCI_CAP_SPM)
|
|
cpi->max_target = 15;
|
|
else
|
|
cpi->max_target = 0;
|
|
cpi->max_lun = 0;
|
|
cpi->initiator_id = 0;
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->base_transfer_speed = 150000;
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, "AHCI", HBA_IDLEN);
|
|
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->transport = XPORT_SATA;
|
|
cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
|
|
cpi->protocol = PROTO_ATA;
|
|
cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
|
|
cpi->maxio = MAXPHYS;
|
|
/* ATI SB600 can't handle 256 sectors with FPDMA (NCQ). */
|
|
if (pci_get_devid(parent) == 0x43801002)
|
|
cpi->maxio = min(cpi->maxio, 128 * 512);
|
|
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
|
|
ahcipoll(struct cam_sim *sim)
|
|
{
|
|
struct ahci_channel *ch = (struct ahci_channel *)cam_sim_softc(sim);
|
|
|
|
ahci_ch_intr(ch->dev);
|
|
}
|