1989 lines
57 KiB
C
1989 lines
57 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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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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#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/sbuf.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/led/led.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include "siis.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 siis_setup_interrupt(device_t dev);
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static void siis_intr(void *data);
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static int siis_suspend(device_t dev);
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static int siis_resume(device_t dev);
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static int siis_ch_init(device_t dev);
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static int siis_ch_deinit(device_t dev);
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static int siis_ch_suspend(device_t dev);
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static int siis_ch_resume(device_t dev);
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static void siis_ch_intr_locked(void *data);
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static void siis_ch_intr(void *data);
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static void siis_ch_led(void *priv, int onoff);
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static void siis_begin_transaction(device_t dev, union ccb *ccb);
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static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
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static void siis_execute_transaction(struct siis_slot *slot);
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static void siis_timeout(void *arg);
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static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et);
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static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag);
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static void siis_dmainit(device_t dev);
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static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
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static void siis_dmafini(device_t dev);
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static void siis_slotsalloc(device_t dev);
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static void siis_slotsfree(device_t dev);
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static void siis_reset(device_t dev);
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static void siis_portinit(device_t dev);
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static int siis_wait_ready(device_t dev, int t);
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static int siis_sata_connect(struct siis_channel *ch);
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static void siis_issue_recovery(device_t dev);
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static void siis_process_read_log(device_t dev, union ccb *ccb);
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static void siis_process_request_sense(device_t dev, union ccb *ccb);
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static void siisaction(struct cam_sim *sim, union ccb *ccb);
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static void siispoll(struct cam_sim *sim);
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static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers");
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static struct {
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uint32_t id;
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const char *name;
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int ports;
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int quirks;
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#define SIIS_Q_SNTF 1
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#define SIIS_Q_NOMSI 2
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} siis_ids[] = {
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{0x31241095, "SiI3124", 4, 0},
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{0x31248086, "SiI3124", 4, 0},
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{0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
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{0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
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{0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
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{0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI},
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{0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI},
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{0, NULL, 0, 0}
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};
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#define recovery_type spriv_field0
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#define RECOVERY_NONE 0
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#define RECOVERY_READ_LOG 1
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#define RECOVERY_REQUEST_SENSE 2
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#define recovery_slot spriv_field1
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static int
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siis_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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for (i = 0; siis_ids[i].id != 0; i++) {
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if (siis_ids[i].id == devid) {
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snprintf(buf, sizeof(buf), "%s SATA controller",
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siis_ids[i].name);
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device_set_desc_copy(dev, buf);
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return (BUS_PROBE_DEFAULT);
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}
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}
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return (ENXIO);
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}
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static int
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siis_attach(device_t dev)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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uint32_t devid = pci_get_devid(dev);
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device_t child;
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int error, i, unit;
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ctlr->dev = dev;
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for (i = 0; siis_ids[i].id != 0; i++) {
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if (siis_ids[i].id == devid)
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break;
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}
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ctlr->quirks = siis_ids[i].quirks;
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/* Global memory */
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ctlr->r_grid = PCIR_BAR(0);
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if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
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&ctlr->r_grid, RF_ACTIVE)))
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return (ENXIO);
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ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL);
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/* Channels memory */
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ctlr->r_rid = PCIR_BAR(2);
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if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
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&ctlr->r_rid, RF_ACTIVE)))
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return (ENXIO);
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/* Setup our own memory management for channels. */
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ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem);
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ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem);
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ctlr->sc_iomem.rm_type = RMAN_ARRAY;
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ctlr->sc_iomem.rm_descr = "I/O memory addresses";
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if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
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return (error);
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}
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if ((error = rman_manage_region(&ctlr->sc_iomem,
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rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
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rman_fini(&ctlr->sc_iomem);
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return (error);
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}
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pci_enable_busmaster(dev);
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/* Reset controller */
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siis_resume(dev);
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/* Number of HW channels */
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ctlr->channels = siis_ids[i].ports;
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/* Setup interrupts. */
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if (siis_setup_interrupt(dev)) {
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
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rman_fini(&ctlr->sc_iomem);
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return ENXIO;
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}
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/* Attach all channels on this controller */
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for (unit = 0; unit < ctlr->channels; unit++) {
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child = device_add_child(dev, "siisch", -1);
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if (child == NULL)
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device_printf(dev, "failed to add channel device\n");
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else
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device_set_ivars(child, (void *)(intptr_t)unit);
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}
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bus_generic_attach(dev);
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return 0;
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}
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static int
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siis_detach(device_t dev)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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/* Detach & delete all children */
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device_delete_children(dev);
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/* Free interrupts. */
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if (ctlr->irq.r_irq) {
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bus_teardown_intr(dev, ctlr->irq.r_irq,
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ctlr->irq.handle);
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bus_release_resource(dev, SYS_RES_IRQ,
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ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
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}
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pci_release_msi(dev);
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/* Free memory. */
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rman_fini(&ctlr->sc_iomem);
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
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bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
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return (0);
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}
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static int
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siis_suspend(device_t dev)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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bus_generic_suspend(dev);
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/* Put controller into reset state. */
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ctlr->gctl |= SIIS_GCTL_GRESET;
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ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
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return 0;
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}
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static int
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siis_resume(device_t dev)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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/* Set PCIe max read request size to at least 1024 bytes */
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if (pci_get_max_read_req(dev) < 1024)
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pci_set_max_read_req(dev, 1024);
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/* Put controller into reset state. */
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ctlr->gctl |= SIIS_GCTL_GRESET;
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ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
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DELAY(10000);
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/* Get controller out of reset state and enable port interrupts. */
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ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE);
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ctlr->gctl |= 0x0000000f;
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ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
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return (bus_generic_resume(dev));
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}
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static int
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siis_setup_interrupt(device_t dev)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1;
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/* Process hints. */
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resource_int_value(device_get_name(dev),
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device_get_unit(dev), "msi", &msi);
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if (msi < 0)
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msi = 0;
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else if (msi > 0)
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msi = min(1, pci_msi_count(dev));
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/* Allocate MSI if needed/present. */
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if (msi && pci_alloc_msi(dev, &msi) != 0)
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msi = 0;
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/* Allocate all IRQs. */
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ctlr->irq.r_irq_rid = msi ? 1 : 0;
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if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
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device_printf(dev, "unable to map interrupt\n");
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return ENXIO;
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}
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if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
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siis_intr, ctlr, &ctlr->irq.handle))) {
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/* SOS XXX release r_irq */
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device_printf(dev, "unable to setup interrupt\n");
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return ENXIO;
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}
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return (0);
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}
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/*
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* Common case interrupt handler.
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*/
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static void
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siis_intr(void *data)
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{
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struct siis_controller *ctlr = (struct siis_controller *)data;
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u_int32_t is;
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void *arg;
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int unit;
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is = ATA_INL(ctlr->r_gmem, SIIS_IS);
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for (unit = 0; unit < ctlr->channels; unit++) {
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if ((is & SIIS_IS_PORT(unit)) != 0 &&
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(arg = ctlr->interrupt[unit].argument)) {
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ctlr->interrupt[unit].function(arg);
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}
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}
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/* Acknowledge interrupt, if MSI enabled. */
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if (ctlr->irq.r_irq_rid) {
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ATA_OUTL(ctlr->r_gmem, SIIS_GCTL,
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ctlr->gctl | SIIS_GCTL_MSIACK);
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}
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}
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static struct resource *
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siis_alloc_resource(device_t dev, device_t child, int type, int *rid,
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rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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int unit = ((struct siis_channel *)device_get_softc(child))->unit;
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struct resource *res = NULL;
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int offset = unit << 13;
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rman_res_t st;
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switch (type) {
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case SYS_RES_MEMORY:
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st = rman_get_start(ctlr->r_mem);
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res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
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st + offset + 0x2000, 0x2000, RF_ACTIVE, child);
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if (res) {
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bus_space_handle_t bsh;
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bus_space_tag_t bst;
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bsh = rman_get_bushandle(ctlr->r_mem);
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bst = rman_get_bustag(ctlr->r_mem);
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bus_space_subregion(bst, bsh, offset, 0x2000, &bsh);
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rman_set_bushandle(res, bsh);
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rman_set_bustag(res, bst);
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}
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break;
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case SYS_RES_IRQ:
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if (*rid == ATA_IRQ_RID)
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res = ctlr->irq.r_irq;
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break;
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}
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return (res);
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}
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static int
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siis_release_resource(device_t dev, device_t child, int type, int rid,
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struct resource *r)
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{
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switch (type) {
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case SYS_RES_MEMORY:
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rman_release_resource(r);
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return (0);
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case SYS_RES_IRQ:
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if (rid != ATA_IRQ_RID)
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return ENOENT;
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return (0);
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}
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return (EINVAL);
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}
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static int
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siis_setup_intr(device_t dev, device_t child, struct resource *irq,
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int flags, driver_filter_t *filter, driver_intr_t *function,
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void *argument, void **cookiep)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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int unit = (intptr_t)device_get_ivars(child);
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if (filter != NULL) {
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printf("siis.c: we cannot use a filter here\n");
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return (EINVAL);
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}
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ctlr->interrupt[unit].function = function;
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ctlr->interrupt[unit].argument = argument;
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return (0);
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}
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static int
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siis_teardown_intr(device_t dev, device_t child, struct resource *irq,
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void *cookie)
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{
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struct siis_controller *ctlr = device_get_softc(dev);
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int unit = (intptr_t)device_get_ivars(child);
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ctlr->interrupt[unit].function = NULL;
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ctlr->interrupt[unit].argument = NULL;
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return (0);
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}
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static int
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siis_print_child(device_t dev, device_t child)
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{
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int retval;
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retval = bus_print_child_header(dev, child);
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retval += printf(" at channel %d",
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(int)(intptr_t)device_get_ivars(child));
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retval += bus_print_child_footer(dev, child);
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return (retval);
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}
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static int
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siis_child_location(device_t dev, device_t child, struct sbuf *sb)
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{
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sbuf_printf(sb, "channel=%d",
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(int)(intptr_t)device_get_ivars(child));
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return (0);
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}
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static bus_dma_tag_t
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siis_get_dma_tag(device_t bus, device_t child)
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{
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return (bus_get_dma_tag(bus));
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}
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static device_method_t siis_methods[] = {
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DEVMETHOD(device_probe, siis_probe),
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DEVMETHOD(device_attach, siis_attach),
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DEVMETHOD(device_detach, siis_detach),
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DEVMETHOD(device_suspend, siis_suspend),
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DEVMETHOD(device_resume, siis_resume),
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DEVMETHOD(bus_print_child, siis_print_child),
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DEVMETHOD(bus_alloc_resource, siis_alloc_resource),
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DEVMETHOD(bus_release_resource, siis_release_resource),
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DEVMETHOD(bus_setup_intr, siis_setup_intr),
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DEVMETHOD(bus_teardown_intr,siis_teardown_intr),
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DEVMETHOD(bus_child_location, siis_child_location),
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DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag),
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{ 0, 0 }
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};
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static driver_t siis_driver = {
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"siis",
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siis_methods,
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sizeof(struct siis_controller)
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};
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DRIVER_MODULE(siis, pci, siis_driver, 0, 0);
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MODULE_VERSION(siis, 1);
|
|
MODULE_DEPEND(siis, cam, 1, 1, 1);
|
|
|
|
static int
|
|
siis_ch_probe(device_t dev)
|
|
{
|
|
|
|
device_set_desc_copy(dev, "SIIS channel");
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
|
|
static int
|
|
siis_ch_attach(device_t dev)
|
|
{
|
|
struct siis_controller *ctlr = device_get_softc(device_get_parent(dev));
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
struct cam_devq *devq;
|
|
int rid, error, i, sata_rev = 0;
|
|
|
|
ch->dev = dev;
|
|
ch->unit = (intptr_t)device_get_ivars(dev);
|
|
ch->quirks = ctlr->quirks;
|
|
ch->pm_level = 0;
|
|
resource_int_value(device_get_name(dev),
|
|
device_get_unit(dev), "pm_level", &ch->pm_level);
|
|
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 = SIIS_MAX_SLOTS;
|
|
ch->curr[i] = ch->user[i];
|
|
if (ch->pm_level)
|
|
ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ;
|
|
ch->user[i].caps |= CTS_SATA_CAPS_H_AN;
|
|
}
|
|
mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF);
|
|
rid = ch->unit;
|
|
if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
|
|
&rid, RF_ACTIVE)))
|
|
return (ENXIO);
|
|
siis_dmainit(dev);
|
|
siis_slotsalloc(dev);
|
|
siis_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,
|
|
siis_ch_intr_locked, dev, &ch->ih))) {
|
|
device_printf(dev, "Unable to setup interrupt\n");
|
|
error = ENXIO;
|
|
goto err1;
|
|
}
|
|
/* Create the device queue for our SIM. */
|
|
devq = cam_simq_alloc(SIIS_MAX_SLOTS);
|
|
if (devq == NULL) {
|
|
device_printf(dev, "Unable to allocate simq\n");
|
|
error = ENOMEM;
|
|
goto err1;
|
|
}
|
|
/* Construct SIM entry */
|
|
ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch,
|
|
device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, 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;
|
|
}
|
|
mtx_unlock(&ch->mtx);
|
|
ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev));
|
|
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
|
|
siis_ch_detach(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
led_destroy(ch->led);
|
|
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);
|
|
|
|
bus_teardown_intr(dev, ch->r_irq, ch->ih);
|
|
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
|
|
|
|
siis_ch_deinit(dev);
|
|
siis_slotsfree(dev);
|
|
siis_dmafini(dev);
|
|
|
|
bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
|
|
mtx_destroy(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
siis_ch_init(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
/* Get port out of reset state. */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
|
|
if (ch->pm_present)
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
|
|
else
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
|
|
/* Enable port interrupts */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
siis_ch_deinit(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
/* Put port into reset state. */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
siis_ch_suspend(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
while (ch->oslots)
|
|
msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100);
|
|
siis_ch_deinit(dev);
|
|
mtx_unlock(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
siis_ch_resume(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
siis_ch_init(dev);
|
|
siis_reset(dev);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
mtx_unlock(&ch->mtx);
|
|
return (0);
|
|
}
|
|
|
|
static device_method_t siisch_methods[] = {
|
|
DEVMETHOD(device_probe, siis_ch_probe),
|
|
DEVMETHOD(device_attach, siis_ch_attach),
|
|
DEVMETHOD(device_detach, siis_ch_detach),
|
|
DEVMETHOD(device_suspend, siis_ch_suspend),
|
|
DEVMETHOD(device_resume, siis_ch_resume),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t siisch_driver = {
|
|
"siisch",
|
|
siisch_methods,
|
|
sizeof(struct siis_channel)
|
|
};
|
|
|
|
DRIVER_MODULE(siisch, siis, siisch_driver, 0, 0);
|
|
|
|
static void
|
|
siis_ch_led(void *priv, int onoff)
|
|
{
|
|
device_t dev;
|
|
struct siis_channel *ch;
|
|
|
|
dev = (device_t)priv;
|
|
ch = device_get_softc(dev);
|
|
|
|
if (onoff == 0)
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON);
|
|
else
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON);
|
|
}
|
|
|
|
struct siis_dc_cb_args {
|
|
bus_addr_t maddr;
|
|
int error;
|
|
};
|
|
|
|
static void
|
|
siis_dmainit(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
struct siis_dc_cb_args dcba;
|
|
|
|
/* Command area. */
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
|
|
BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
|
|
NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_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,
|
|
SIIS_WORK_SIZE, siis_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;
|
|
/* Data area. */
|
|
if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
|
|
BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
|
|
NULL, NULL,
|
|
SIIS_SG_ENTRIES * PAGE_SIZE, SIIS_SG_ENTRIES, 0xFFFFFFFF,
|
|
0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
|
|
goto error;
|
|
}
|
|
return;
|
|
|
|
error:
|
|
device_printf(dev, "WARNING - DMA initialization failed\n");
|
|
siis_dmafini(dev);
|
|
}
|
|
|
|
static void
|
|
siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc;
|
|
|
|
if (!(dcba->error = error))
|
|
dcba->maddr = segs[0].ds_addr;
|
|
}
|
|
|
|
static void
|
|
siis_dmafini(device_t dev)
|
|
{
|
|
struct siis_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.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
|
|
siis_slotsalloc(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
/* Alloc and setup command/dma slots */
|
|
bzero(ch->slot, sizeof(ch->slot));
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
struct siis_slot *slot = &ch->slot[i];
|
|
|
|
slot->dev = dev;
|
|
slot->slot = i;
|
|
slot->state = SIIS_SLOT_EMPTY;
|
|
slot->prb_offset = SIIS_PRB_SIZE * i;
|
|
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
|
|
siis_slotsfree(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
/* Free all dma slots */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
struct siis_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
|
|
siis_notify_events(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
struct cam_path *dpath;
|
|
u_int32_t status;
|
|
int i;
|
|
|
|
if (ch->quirks & SIIS_Q_SNTF) {
|
|
status = ATA_INL(ch->r_mem, SIIS_P_SNTF);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status);
|
|
} else {
|
|
/*
|
|
* Without SNTF we have no idea which device sent notification.
|
|
* If PMP is connected, assume it, else - device.
|
|
*/
|
|
status = (ch->pm_present) ? 0x8000 : 0x0001;
|
|
}
|
|
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
|
|
siis_phy_check_events(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
/* If we have a connection event, deal with it */
|
|
if (ch->pm_level == 0) {
|
|
u_int32_t status = ATA_INL(ch->r_mem, SIIS_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");
|
|
}
|
|
siis_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
|
|
siis_ch_intr_locked(void *data)
|
|
{
|
|
device_t dev = (device_t)data;
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_lock(&ch->mtx);
|
|
siis_ch_intr(data);
|
|
mtx_unlock(&ch->mtx);
|
|
}
|
|
|
|
static void
|
|
siis_ch_intr(void *data)
|
|
{
|
|
device_t dev = (device_t)data;
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
uint32_t istatus, sstatus, ctx, estatus, ok;
|
|
enum siis_err_type et;
|
|
int i, ccs, port, tslots;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
/* Read command statuses. */
|
|
sstatus = ATA_INL(ch->r_mem, SIIS_P_SS);
|
|
ok = ch->rslots & ~sstatus;
|
|
/* Complete all successful commands. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
if ((ok >> i) & 1)
|
|
siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE);
|
|
}
|
|
/* Do we have any other events? */
|
|
if ((sstatus & SIIS_P_SS_ATTN) == 0)
|
|
return;
|
|
/* Read and clear interrupt statuses. */
|
|
istatus = ATA_INL(ch->r_mem, SIIS_P_IS) &
|
|
(0xFFFF & ~SIIS_P_IX_COMMCOMP);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus);
|
|
/* Process PHY events */
|
|
if (istatus & SIIS_P_IX_PHYRDYCHG)
|
|
siis_phy_check_events(dev);
|
|
/* Process NOTIFY events */
|
|
if (istatus & SIIS_P_IX_SDBN)
|
|
siis_notify_events(dev);
|
|
/* Process command errors */
|
|
if (istatus & SIIS_P_IX_COMMERR) {
|
|
estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR);
|
|
ctx = ATA_INL(ch->r_mem, SIIS_P_CTX);
|
|
ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT;
|
|
port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT;
|
|
//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n",
|
|
// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port,
|
|
// ATA_INL(ch->r_mem, SIIS_P_SERR));
|
|
|
|
if (!ch->recoverycmd && !ch->recovery) {
|
|
xpt_freeze_simq(ch->sim, ch->numrslots);
|
|
ch->recovery = 1;
|
|
}
|
|
if (ch->frozen) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
fccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
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 (estatus == SIIS_P_CMDERR_DEV ||
|
|
estatus == SIIS_P_CMDERR_SDB ||
|
|
estatus == SIIS_P_CMDERR_DATAFIS) {
|
|
tslots = ch->numtslots[port];
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
/* XXX: requests in loading state. */
|
|
if (((ch->rslots >> i) & 1) == 0)
|
|
continue;
|
|
if (ch->slot[i].ccb->ccb_h.target_id != port)
|
|
continue;
|
|
if (tslots == 0) {
|
|
/* Untagged operation. */
|
|
if (i == ccs)
|
|
et = SIIS_ERR_TFE;
|
|
else
|
|
et = SIIS_ERR_INNOCENT;
|
|
} else {
|
|
/* Tagged operation. */
|
|
et = SIIS_ERR_NCQ;
|
|
}
|
|
siis_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 && !ch->recoverycmd)
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME);
|
|
} else {
|
|
if (estatus == SIIS_P_CMDERR_SENDFIS ||
|
|
estatus == SIIS_P_CMDERR_INCSTATE ||
|
|
estatus == SIIS_P_CMDERR_PPE ||
|
|
estatus == SIIS_P_CMDERR_SERVICE) {
|
|
et = SIIS_ERR_SATA;
|
|
} else
|
|
et = SIIS_ERR_INVALID;
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
/* XXX: requests in loading state. */
|
|
if (((ch->rslots >> i) & 1) == 0)
|
|
continue;
|
|
siis_end_transaction(&ch->slot[i], et);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static int
|
|
siis_check_collision(device_t dev, union ccb *ccb)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
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) & (0x7fffffff >> (31 -
|
|
ch->curr[ccb->ccb_h.target_id].tags))) == 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
|
|
siis_begin_transaction(device_t dev, union ccb *ccb)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
struct siis_slot *slot;
|
|
int tag, tags;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
/* Choose empty slot. */
|
|
tags = SIIS_MAX_SLOTS;
|
|
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 = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1;
|
|
/* Occupy chosen slot. */
|
|
slot = &ch->slot[tag];
|
|
slot->ccb = ccb;
|
|
/* Update channel stats. */
|
|
ch->oslots |= (1 << slot->slot);
|
|
ch->numrslots++;
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
ch->numtslots[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) {
|
|
slot->state = SIIS_SLOT_LOADING;
|
|
bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map,
|
|
ccb, siis_dmasetprd, slot, 0);
|
|
} else
|
|
siis_execute_transaction(slot);
|
|
}
|
|
|
|
/* Locked by busdma engine. */
|
|
static void
|
|
siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
|
|
{
|
|
struct siis_slot *slot = arg;
|
|
struct siis_channel *ch = device_get_softc(slot->dev);
|
|
struct siis_cmd *ctp;
|
|
struct siis_dma_prd *prd;
|
|
int i;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
if (error) {
|
|
device_printf(slot->dev, "DMA load error\n");
|
|
if (!ch->recoverycmd)
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
siis_end_transaction(slot, SIIS_ERR_INVALID);
|
|
return;
|
|
}
|
|
KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n"));
|
|
slot->dma.nsegs = nsegs;
|
|
if (nsegs != 0) {
|
|
/* Get a piece of the workspace for this request */
|
|
ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset);
|
|
/* Fill S/G table */
|
|
if (slot->ccb->ccb_h.func_code == XPT_ATA_IO)
|
|
prd = &ctp->u.ata.prd[0];
|
|
else
|
|
prd = &ctp->u.atapi.prd[0];
|
|
for (i = 0; i < nsegs; i++) {
|
|
prd[i].dba = htole64(segs[i].ds_addr);
|
|
prd[i].dbc = htole32(segs[i].ds_len);
|
|
prd[i].control = 0;
|
|
}
|
|
prd[nsegs - 1].control = htole32(SIIS_PRD_TRM);
|
|
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));
|
|
}
|
|
siis_execute_transaction(slot);
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
siis_execute_transaction(struct siis_slot *slot)
|
|
{
|
|
device_t dev = slot->dev;
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
struct siis_cmd *ctp;
|
|
union ccb *ccb = slot->ccb;
|
|
u_int64_t prb_bus;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
/* Get a piece of the workspace for this request */
|
|
ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset);
|
|
ctp->control = 0;
|
|
ctp->protocol_override = 0;
|
|
ctp->transfer_count = 0;
|
|
/* Special handling for Soft Reset command. */
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) {
|
|
ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
|
|
} else {
|
|
ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE);
|
|
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
|
|
ctp->protocol_override |=
|
|
htole16(SIIS_PRB_PROTO_NCQ);
|
|
}
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
|
|
ctp->protocol_override |=
|
|
htole16(SIIS_PRB_PROTO_READ);
|
|
} else
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
|
|
ctp->protocol_override |=
|
|
htole16(SIIS_PRB_PROTO_WRITE);
|
|
}
|
|
}
|
|
} else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
ctp->control |= htole16(SIIS_PRB_PACKET_READ);
|
|
else
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
|
|
ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
|
|
}
|
|
/* Special handling for Soft Reset command. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET)) {
|
|
/* Kick controller into sane state */
|
|
siis_portinit(dev);
|
|
}
|
|
/* Setup the FIS for this request */
|
|
if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) {
|
|
device_printf(ch->dev, "Setting up SATA FIS failed\n");
|
|
if (!ch->recoverycmd)
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
siis_end_transaction(slot, SIIS_ERR_INVALID);
|
|
return;
|
|
}
|
|
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
|
|
BUS_DMASYNC_PREWRITE);
|
|
/* Issue command to the controller. */
|
|
slot->state = SIIS_SLOT_RUNNING;
|
|
ch->rslots |= (1 << slot->slot);
|
|
prb_bus = ch->dma.work_bus + slot->prb_offset;
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32);
|
|
/* Start command execution timeout */
|
|
callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout, 0,
|
|
siis_timeout, slot, 0);
|
|
return;
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
siis_process_timeout(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
if (!ch->recoverycmd && !ch->recovery) {
|
|
xpt_freeze_simq(ch->sim, ch->numrslots);
|
|
ch->recovery = 1;
|
|
}
|
|
/* Handle the rest of commands. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
/* Do we have a running request on slot? */
|
|
if (ch->slot[i].state < SIIS_SLOT_RUNNING)
|
|
continue;
|
|
siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT);
|
|
}
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
siis_rearm_timeout(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
struct siis_slot *slot = &ch->slot[i];
|
|
|
|
/* Do we have a running request on slot? */
|
|
if (slot->state < SIIS_SLOT_RUNNING)
|
|
continue;
|
|
if ((ch->toslots & (1 << i)) == 0)
|
|
continue;
|
|
callout_reset_sbt(&slot->timeout,
|
|
SBT_1MS * slot->ccb->ccb_h.timeout, 0,
|
|
siis_timeout, slot, 0);
|
|
}
|
|
}
|
|
|
|
/* Locked by callout mechanism. */
|
|
static void
|
|
siis_timeout(void *arg)
|
|
{
|
|
struct siis_slot *slot = arg;
|
|
device_t dev = slot->dev;
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = slot->ccb;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
/* Check for stale timeout. */
|
|
if (slot->state < SIIS_SLOT_RUNNING)
|
|
return;
|
|
|
|
/* Handle soft-reset timeouts without doing hard-reset. */
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
|
|
(ccb->ataio.cmd.control & ATA_A_RESET)) {
|
|
xpt_freeze_simq(ch->sim, ch->numrslots);
|
|
siis_end_transaction(slot, SIIS_ERR_TFE);
|
|
return;
|
|
}
|
|
|
|
device_printf(dev, "Timeout on slot %d\n", slot->slot);
|
|
device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n",
|
|
__func__, ATA_INL(ch->r_mem, SIIS_P_IS),
|
|
ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots,
|
|
ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS),
|
|
ATA_INL(ch->r_mem, SIIS_P_SERR));
|
|
|
|
if (ch->toslots == 0)
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
ch->toslots |= (1 << slot->slot);
|
|
if ((ch->rslots & ~ch->toslots) == 0)
|
|
siis_process_timeout(dev);
|
|
else
|
|
device_printf(dev, " ... waiting for slots %08x\n",
|
|
ch->rslots & ~ch->toslots);
|
|
}
|
|
|
|
/* Must be called with channel locked. */
|
|
static void
|
|
siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
|
|
{
|
|
device_t dev = slot->dev;
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb = slot->ccb;
|
|
int lastto;
|
|
|
|
mtx_assert(&ch->mtx, MA_OWNED);
|
|
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
|
|
BUS_DMASYNC_POSTWRITE);
|
|
/* 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 == SIIS_ERR_TFE) ||
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
|
|
int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8;
|
|
|
|
res->status = ATA_INB(ch->r_mem, offs + 2);
|
|
res->error = ATA_INB(ch->r_mem, offs + 3);
|
|
res->lba_low = ATA_INB(ch->r_mem, offs + 4);
|
|
res->lba_mid = ATA_INB(ch->r_mem, offs + 5);
|
|
res->lba_high = ATA_INB(ch->r_mem, offs + 6);
|
|
res->device = ATA_INB(ch->r_mem, offs + 7);
|
|
res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8);
|
|
res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9);
|
|
res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10);
|
|
res->sector_count = ATA_INB(ch->r_mem, offs + 12);
|
|
res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13);
|
|
} else
|
|
bzero(res, sizeof(*res));
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN &&
|
|
ch->numrslots == 1) {
|
|
ccb->ataio.resid = ccb->ataio.dxfer_len -
|
|
ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4);
|
|
}
|
|
} else {
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN &&
|
|
ch->numrslots == 1) {
|
|
ccb->csio.resid = ccb->csio.dxfer_len -
|
|
ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4);
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
/* Set proper result status. */
|
|
if (et != SIIS_ERR_NONE || ch->recovery) {
|
|
ch->eslots |= (1 << slot->slot);
|
|
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
}
|
|
/* In case of error, freeze device for proper recovery. */
|
|
if (et != SIIS_ERR_NONE && (!ch->recoverycmd) &&
|
|
!(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
|
|
xpt_freeze_devq(ccb->ccb_h.path, 1);
|
|
ccb->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
switch (et) {
|
|
case SIIS_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 SIIS_ERR_INVALID:
|
|
ch->fatalerr = 1;
|
|
ccb->ccb_h.status |= CAM_REQ_INVALID;
|
|
break;
|
|
case SIIS_ERR_INNOCENT:
|
|
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
|
|
break;
|
|
case SIIS_ERR_TFE:
|
|
case SIIS_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 SIIS_ERR_SATA:
|
|
ch->fatalerr = 1;
|
|
ccb->ccb_h.status |= CAM_UNCOR_PARITY;
|
|
break;
|
|
case SIIS_ERR_TIMEOUT:
|
|
ch->fatalerr = 1;
|
|
ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
|
|
break;
|
|
default:
|
|
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 = SIIS_SLOT_EMPTY;
|
|
slot->ccb = NULL;
|
|
/* Update channel stats. */
|
|
ch->numrslots--;
|
|
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
|
|
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
|
|
ch->numtslots[ccb->ccb_h.target_id]--;
|
|
}
|
|
/* Cancel timeout state if request completed normally. */
|
|
if (et != SIIS_ERR_TIMEOUT) {
|
|
lastto = (ch->toslots == (1 << slot->slot));
|
|
ch->toslots &= ~(1 << slot->slot);
|
|
if (lastto)
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
/* If it was our READ LOG command - process it. */
|
|
if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) {
|
|
siis_process_read_log(dev, ccb);
|
|
/* If it was our REQUEST SENSE command - process it. */
|
|
} else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) {
|
|
siis_process_request_sense(dev, ccb);
|
|
/* If it was NCQ or ATAPI command error, put result on hold. */
|
|
} else if (et == SIIS_ERR_NCQ ||
|
|
((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
|
|
(ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) {
|
|
ch->hold[slot->slot] = ccb;
|
|
ch->numhslots++;
|
|
} else
|
|
xpt_done(ccb);
|
|
/* If we have no other active commands, ... */
|
|
if (ch->rslots == 0) {
|
|
/* if there were timeouts or fatal error - reset port. */
|
|
if (ch->toslots != 0 || ch->fatalerr) {
|
|
siis_reset(dev);
|
|
} else {
|
|
/* if we have slots in error, we can reinit port. */
|
|
if (ch->eslots != 0)
|
|
siis_portinit(dev);
|
|
/* if there commands on hold, we can do recovery. */
|
|
if (!ch->recoverycmd && ch->numhslots)
|
|
siis_issue_recovery(dev);
|
|
}
|
|
/* If all the reset of commands are in timeout - abort them. */
|
|
} else if ((ch->rslots & ~ch->toslots) == 0 &&
|
|
et != SIIS_ERR_TIMEOUT)
|
|
siis_rearm_timeout(dev);
|
|
/* Unfreeze frozen command. */
|
|
if (ch->frozen && !siis_check_collision(dev, ch->frozen)) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
siis_begin_transaction(dev, fccb);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
siis_issue_recovery(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
union ccb *ccb;
|
|
struct ccb_ataio *ataio;
|
|
struct ccb_scsiio *csio;
|
|
int i;
|
|
|
|
/* Find some held command. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
if (ch->hold[i])
|
|
break;
|
|
}
|
|
if (i == SIIS_MAX_SLOTS)
|
|
return;
|
|
ccb = xpt_alloc_ccb_nowait();
|
|
if (ccb == NULL) {
|
|
device_printf(dev, "Unable to allocate recovery command\n");
|
|
completeall:
|
|
/* We can't do anything -- complete held commands. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
if (ch->hold[i] == NULL)
|
|
continue;
|
|
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL;
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
}
|
|
siis_reset(dev);
|
|
return;
|
|
}
|
|
xpt_setup_ccb(&ccb->ccb_h, ch->hold[i]->ccb_h.path,
|
|
ch->hold[i]->ccb_h.pinfo.priority);
|
|
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
|
|
/* READ LOG */
|
|
ccb->ccb_h.recovery_type = RECOVERY_READ_LOG;
|
|
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_SIIS, M_NOWAIT);
|
|
if (ataio->data_ptr == NULL) {
|
|
xpt_free_ccb(ccb);
|
|
device_printf(dev,
|
|
"Unable to allocate memory for READ LOG command\n");
|
|
goto completeall;
|
|
}
|
|
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;
|
|
} else {
|
|
/* REQUEST SENSE */
|
|
ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE;
|
|
ccb->ccb_h.recovery_slot = i;
|
|
ccb->ccb_h.func_code = XPT_SCSI_IO;
|
|
ccb->ccb_h.flags = CAM_DIR_IN;
|
|
ccb->ccb_h.status = 0;
|
|
ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
|
|
csio = &ccb->csio;
|
|
csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data;
|
|
csio->dxfer_len = ch->hold[i]->csio.sense_len;
|
|
csio->cdb_len = 6;
|
|
bzero(&csio->cdb_io, sizeof(csio->cdb_io));
|
|
csio->cdb_io.cdb_bytes[0] = 0x03;
|
|
csio->cdb_io.cdb_bytes[4] = csio->dxfer_len;
|
|
}
|
|
ch->recoverycmd = 1;
|
|
siis_begin_transaction(dev, ccb);
|
|
}
|
|
|
|
static void
|
|
siis_process_read_log(device_t dev, union ccb *ccb)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
uint8_t *data;
|
|
struct ata_res *res;
|
|
int i;
|
|
|
|
ch->recoverycmd = 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 < SIIS_MAX_SLOTS; i++) {
|
|
if (!ch->hold[i])
|
|
continue;
|
|
if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
|
|
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 < SIIS_MAX_SLOTS; i++) {
|
|
if (!ch->hold[i])
|
|
continue;
|
|
if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
|
|
continue;
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
}
|
|
}
|
|
free(ccb->ataio.data_ptr, M_SIIS);
|
|
xpt_free_ccb(ccb);
|
|
}
|
|
|
|
static void
|
|
siis_process_request_sense(device_t dev, union ccb *ccb)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
ch->recoverycmd = 0;
|
|
|
|
i = ccb->ccb_h.recovery_slot;
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
|
|
ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
} else {
|
|
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL;
|
|
}
|
|
xpt_done(ch->hold[i]);
|
|
ch->hold[i] = NULL;
|
|
ch->numhslots--;
|
|
xpt_free_ccb(ccb);
|
|
}
|
|
|
|
static void
|
|
siis_portinit(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i;
|
|
|
|
ch->eslots = 0;
|
|
ch->recovery = 0;
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME);
|
|
for (i = 0; i < 16; i++) {
|
|
ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0),
|
|
ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0);
|
|
}
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT);
|
|
siis_wait_ready(dev, 1000);
|
|
}
|
|
|
|
static int
|
|
siis_devreset(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int timeout = 0;
|
|
uint32_t val;
|
|
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET);
|
|
while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
|
|
SIIS_P_CTL_DEV_RESET) != 0) {
|
|
DELAY(100);
|
|
if (timeout++ > 1000) {
|
|
device_printf(dev, "device reset stuck "
|
|
"(timeout 100ms) status = %08x\n", val);
|
|
return (EBUSY);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
siis_wait_ready(device_t dev, int t)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int timeout = 0;
|
|
uint32_t val;
|
|
|
|
while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
|
|
SIIS_P_CTL_READY) == 0) {
|
|
DELAY(1000);
|
|
if (timeout++ > t) {
|
|
device_printf(dev, "port is not ready (timeout %dms) "
|
|
"status = %08x\n", t, val);
|
|
return (EBUSY);
|
|
}
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
siis_reset(device_t dev)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
int i, retry = 0, sata_rev;
|
|
uint32_t val;
|
|
|
|
xpt_freeze_simq(ch->sim, 1);
|
|
if (bootverbose)
|
|
device_printf(dev, "SIIS reset...\n");
|
|
if (!ch->recoverycmd && !ch->recovery)
|
|
xpt_freeze_simq(ch->sim, ch->numrslots);
|
|
/* Requeue frozen command. */
|
|
if (ch->frozen) {
|
|
union ccb *fccb = ch->frozen;
|
|
ch->frozen = NULL;
|
|
fccb->ccb_h.status &= ~CAM_STATUS_MASK;
|
|
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);
|
|
}
|
|
/* Requeue all running commands. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
|
|
/* Do we have a running request on slot? */
|
|
if (ch->slot[i].state < SIIS_SLOT_RUNNING)
|
|
continue;
|
|
/* XXX; Commands in loading state. */
|
|
siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
|
|
}
|
|
/* Finish all held commands as-is. */
|
|
for (i = 0; i < SIIS_MAX_SLOTS; 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->recovery = 0;
|
|
ch->toslots = 0;
|
|
ch->fatalerr = 0;
|
|
/* Disable port interrupts */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF);
|
|
/* Set speed limit. */
|
|
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, SIIS_P_SCTL,
|
|
ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
|
|
(ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
|
|
retry:
|
|
siis_devreset(dev);
|
|
/* Reset and reconnect PHY, */
|
|
if (!siis_sata_connect(ch)) {
|
|
ch->devices = 0;
|
|
/* Enable port interrupts */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
|
|
if (bootverbose)
|
|
device_printf(dev,
|
|
"SIIS reset done: phy reset found no device\n");
|
|
/* Tell the XPT about the event */
|
|
xpt_async(AC_BUS_RESET, ch->path, NULL);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
return;
|
|
}
|
|
/* Wait for port ready status. */
|
|
if (siis_wait_ready(dev, 1000)) {
|
|
device_printf(dev, "port ready timeout\n");
|
|
if (!retry) {
|
|
device_printf(dev, "trying full port reset ...\n");
|
|
/* Get port to the reset state. */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
|
|
DELAY(10000);
|
|
/* Get port out of reset state. */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
|
|
if (ch->pm_present)
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
|
|
else
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
|
|
siis_wait_ready(dev, 5000);
|
|
retry = 1;
|
|
goto retry;
|
|
}
|
|
}
|
|
ch->devices = 1;
|
|
/* Enable port interrupts */
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF);
|
|
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
|
|
if (bootverbose)
|
|
device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices);
|
|
/* Tell the XPT about the event */
|
|
xpt_async(AC_BUS_RESET, ch->path, NULL);
|
|
xpt_release_simq(ch->sim, TRUE);
|
|
}
|
|
|
|
static int
|
|
siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag)
|
|
{
|
|
struct siis_channel *ch = device_get_softc(dev);
|
|
u_int8_t *fis = &ctp->fis[0];
|
|
|
|
bzero(fis, 24);
|
|
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->u.atapi.ccb, 16);
|
|
bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
|
|
ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
|
|
ctp->u.atapi.ccb, 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;
|
|
fis[12] = ccb->ataio.cmd.sector_count;
|
|
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
|
|
fis[12] &= 0x07;
|
|
fis[12] |= tag << 3;
|
|
}
|
|
fis[13] = ccb->ataio.cmd.sector_count_exp;
|
|
if (ccb->ataio.ata_flags & ATA_FLAG_ICC)
|
|
fis[14] = ccb->ataio.icc;
|
|
fis[15] = ATA_A_4BIT;
|
|
if (ccb->ataio.ata_flags & ATA_FLAG_AUX) {
|
|
fis[16] = ccb->ataio.aux & 0xff;
|
|
fis[17] = (ccb->ataio.aux >> 8) & 0xff;
|
|
fis[18] = (ccb->ataio.aux >> 16) & 0xff;
|
|
fis[19] = (ccb->ataio.aux >> 24) & 0xff;
|
|
}
|
|
} else {
|
|
/* Soft reset. */
|
|
}
|
|
return (20);
|
|
}
|
|
|
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static int
|
|
siis_sata_connect(struct siis_channel *ch)
|
|
{
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u_int32_t status;
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int timeout, found = 0;
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|
|
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/* Wait up to 100ms for "connect well" */
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for (timeout = 0; timeout < 1000 ; timeout++) {
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status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
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if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE)
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found = 1;
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if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
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((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
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((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
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break;
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if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) {
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if (bootverbose) {
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device_printf(ch->dev, "SATA offline status=%08x\n",
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status);
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}
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return (0);
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}
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if (found == 0 && timeout >= 100)
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break;
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DELAY(100);
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}
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if (timeout >= 1000 || !found) {
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if (bootverbose) {
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device_printf(ch->dev,
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"SATA connect timeout time=%dus status=%08x\n",
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timeout * 100, status);
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}
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return (0);
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}
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if (bootverbose) {
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device_printf(ch->dev, "SATA connect time=%dus status=%08x\n",
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timeout * 100, status);
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}
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/* Clear SATA error register */
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ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff);
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return (1);
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}
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static int
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siis_check_ids(device_t dev, union ccb *ccb)
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{
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if (ccb->ccb_h.target_id > 15) {
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ccb->ccb_h.status = CAM_TID_INVALID;
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xpt_done(ccb);
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return (-1);
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}
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if (ccb->ccb_h.target_lun != 0) {
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ccb->ccb_h.status = CAM_LUN_INVALID;
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xpt_done(ccb);
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return (-1);
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}
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return (0);
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}
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static void
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siisaction(struct cam_sim *sim, union ccb *ccb)
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{
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device_t dev, parent;
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struct siis_channel *ch;
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CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n",
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ccb->ccb_h.func_code));
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ch = (struct siis_channel *)cam_sim_softc(sim);
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dev = ch->dev;
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mtx_assert(&ch->mtx, MA_OWNED);
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switch (ccb->ccb_h.func_code) {
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/* Common cases first */
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case XPT_ATA_IO: /* Execute the requested I/O operation */
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case XPT_SCSI_IO:
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if (siis_check_ids(dev, ccb))
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return;
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if (ch->devices == 0 ||
|
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(ch->pm_present == 0 &&
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ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) {
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ccb->ccb_h.status = CAM_SEL_TIMEOUT;
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break;
|
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}
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ccb->ccb_h.recovery_type = RECOVERY_NONE;
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/* Check for command collision. */
|
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if (siis_check_collision(dev, ccb)) {
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/* Freeze command. */
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ch->frozen = ccb;
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/* We have only one frozen slot, so freeze simq also. */
|
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xpt_freeze_simq(ch->sim, 1);
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return;
|
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}
|
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siis_begin_transaction(dev, ccb);
|
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return;
|
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case XPT_ABORT: /* Abort the specified CCB */
|
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/* XXX Implement */
|
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ccb->ccb_h.status = CAM_REQ_INVALID;
|
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break;
|
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case XPT_SET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
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struct siis_device *d;
|
|
|
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if (siis_check_ids(dev, ccb))
|
|
return;
|
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if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
|
|
d = &ch->curr[ccb->ccb_h.target_id];
|
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else
|
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d = &ch->user[ccb->ccb_h.target_id];
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
|
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d->revision = cts->xport_specific.sata.revision;
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
|
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d->mode = cts->xport_specific.sata.mode;
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
|
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d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
|
|
d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags);
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) {
|
|
ch->pm_present = cts->xport_specific.sata.pm_present;
|
|
if (ch->pm_present)
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
|
|
else
|
|
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
|
|
}
|
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if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
|
|
d->atapi = cts->xport_specific.sata.atapi;
|
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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 siis_device *d;
|
|
uint32_t status;
|
|
|
|
if (siis_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_UNSPECIFIED;
|
|
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, SIIS_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)
|
|
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ;
|
|
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN;
|
|
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;
|
|
if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
|
|
(ch->quirks & SIIS_Q_SNTF) == 0)
|
|
cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN;
|
|
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 */
|
|
siis_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 | PI_TAG_ABLE;
|
|
cpi->hba_inquiry |= PI_SATAPM;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = 15;
|
|
cpi->max_lun = 0;
|
|
cpi->initiator_id = 0;
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->base_transfer_speed = 150000;
|
|
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strlcpy(cpi->hba_vid, "SIIS", HBA_IDLEN);
|
|
strlcpy(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;
|
|
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
|
|
siispoll(struct cam_sim *sim)
|
|
{
|
|
struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim);
|
|
|
|
siis_ch_intr(ch->dev);
|
|
}
|