1359 lines
37 KiB
C
1359 lines
37 KiB
C
/* $NetBSD: aac.c,v 1.13 2004/09/13 12:55:47 drochner Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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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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* 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2001 Scott Long
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* Copyright (c) 2001 Adaptec, Inc.
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* Copyright (c) 2000 Niklas Hallqvist
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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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* 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 AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
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*
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* TODO:
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*
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* o Management interface.
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* o Look again at some of the portability issues.
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* o Handle various AIFs (e.g., notification that a container is going away).
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: aac.c,v 1.13 2004/09/13 12:55:47 drochner Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/device.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <machine/bus.h>
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#include <uvm/uvm_extern.h>
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#include <dev/ic/aacreg.h>
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#include <dev/ic/aacvar.h>
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#include <dev/ic/aac_tables.h>
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#include "locators.h"
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static int aac_check_firmware(struct aac_softc *);
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static void aac_describe_controller(struct aac_softc *);
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static int aac_dequeue_fib(struct aac_softc *, int, u_int32_t *,
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struct aac_fib **);
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static int aac_enqueue_fib(struct aac_softc *, int, struct aac_fib *);
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static void aac_host_command(struct aac_softc *);
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static void aac_host_response(struct aac_softc *);
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static int aac_init(struct aac_softc *);
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static int aac_print(void *, const char *);
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static void aac_shutdown(void *);
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static void aac_startup(struct aac_softc *);
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static int aac_sync_command(struct aac_softc *, u_int32_t, u_int32_t,
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u_int32_t, u_int32_t, u_int32_t, u_int32_t *);
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static int aac_sync_fib(struct aac_softc *, u_int32_t, u_int32_t, void *,
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u_int16_t, void *, u_int16_t *);
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static int aac_submatch(struct device *, struct cfdata *,
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const locdesc_t *, void *);
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#ifdef AAC_DEBUG
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static void aac_print_fib(struct aac_softc *, struct aac_fib *, char *);
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#endif
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/*
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* Adapter-space FIB queue manipulation.
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*
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* Note that the queue implementation here is a little funky; neither the PI or
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* CI will ever be zero. This behaviour is a controller feature.
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*/
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static struct {
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int size;
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int notify;
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} const aac_qinfo[] = {
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{ AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL },
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{ AAC_HOST_HIGH_CMD_ENTRIES, 0 },
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{ AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY },
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{ AAC_ADAP_HIGH_CMD_ENTRIES, 0 },
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{ AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL },
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{ AAC_HOST_HIGH_RESP_ENTRIES, 0 },
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{ AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY },
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{ AAC_ADAP_HIGH_RESP_ENTRIES, 0 }
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};
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#ifdef AAC_DEBUG
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int aac_debug = AAC_DEBUG;
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#endif
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static void *aac_sdh;
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extern struct cfdriver aac_cd;
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int
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aac_attach(struct aac_softc *sc)
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{
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struct aac_attach_args aaca;
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int nsegs, i, rv, state, size;
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struct aac_ccb *ac;
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struct aac_fib *fib;
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bus_addr_t fibpa;
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int help[2];
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locdesc_t *ldesc = (void *)help; /* XXX */
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SIMPLEQ_INIT(&sc->sc_ccb_free);
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SIMPLEQ_INIT(&sc->sc_ccb_queue);
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SIMPLEQ_INIT(&sc->sc_ccb_complete);
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/*
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* Disable interrupts before we do anything.
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*/
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AAC_MASK_INTERRUPTS(sc);
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/*
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* Initialise the adapter.
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*/
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if (aac_check_firmware(sc))
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return (EINVAL);
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if ((rv = aac_init(sc)) != 0)
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return (rv);
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aac_startup(sc);
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/*
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* Print a little information about the controller.
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*/
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aac_describe_controller(sc);
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/*
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* Initialize the ccbs.
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*/
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sc->sc_ccbs = malloc(sizeof(*ac) * AAC_NCCBS, M_DEVBUF,
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M_NOWAIT | M_ZERO);
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if (sc->sc_ccbs == NULL) {
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aprint_error("%s: memory allocation failure\n",
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sc->sc_dv.dv_xname);
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return (ENOMEM);
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}
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state = 0;
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size = sizeof(*fib) * AAC_NCCBS;
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if ((rv = bus_dmamap_create(sc->sc_dmat, size, 1, size,
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0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->sc_fibs_dmamap)) != 0) {
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aprint_error("%s: cannot create fibs dmamap\n",
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sc->sc_dv.dv_xname);
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goto bail_out;
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}
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state++;
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if ((rv = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0,
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&sc->sc_fibs_seg, 1, &nsegs, BUS_DMA_NOWAIT)) != 0) {
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aprint_error("%s: can't allocate fibs structure\n",
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sc->sc_dv.dv_xname);
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goto bail_out;
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}
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state++;
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if ((rv = bus_dmamem_map(sc->sc_dmat, &sc->sc_fibs_seg, nsegs, size,
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(caddr_t *)&sc->sc_fibs, 0)) != 0) {
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aprint_error("%s: can't map fibs structure\n",
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sc->sc_dv.dv_xname);
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goto bail_out;
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}
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state++;
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if ((rv = bus_dmamap_load(sc->sc_dmat, sc->sc_fibs_dmamap, sc->sc_fibs,
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size, NULL, BUS_DMA_NOWAIT)) != 0) {
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aprint_error("%s: cannot load fibs dmamap\n",
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sc->sc_dv.dv_xname);
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goto bail_out;
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}
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state++;
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memset(sc->sc_fibs, 0, size);
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fibpa = sc->sc_fibs_seg.ds_addr;
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fib = sc->sc_fibs;
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for (i = 0, ac = sc->sc_ccbs; i < AAC_NCCBS; i++, ac++) {
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rv = bus_dmamap_create(sc->sc_dmat, AAC_MAX_XFER,
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AAC_MAX_SGENTRIES, AAC_MAX_XFER, 0,
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BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &ac->ac_dmamap_xfer);
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if (rv) {
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while (--ac >= sc->sc_ccbs)
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bus_dmamap_destroy(sc->sc_dmat,
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ac->ac_dmamap_xfer);
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aprint_error("%s: cannot create ccb dmamap (%d)",
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sc->sc_dv.dv_xname, rv);
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goto bail_out;
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}
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ac->ac_fib = fib++;
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ac->ac_fibphys = fibpa;
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fibpa += sizeof(*fib);
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aac_ccb_free(sc, ac);
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}
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/*
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* Attach devices.
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*/
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for (i = 0; i < AAC_MAX_CONTAINERS; i++) {
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if (!sc->sc_hdr[i].hd_present)
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continue;
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aaca.aaca_unit = i;
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ldesc->len = 1;
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ldesc->locs[AACCF_UNIT] = i;
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config_found_sm_loc(&sc->sc_dv, "aac", ldesc, &aaca,
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aac_print, aac_submatch);
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}
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/*
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* Enable interrupts, and register our shutdown hook.
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*/
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sc->sc_flags |= AAC_ONLINE;
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AAC_UNMASK_INTERRUPTS(sc);
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if (aac_sdh != NULL)
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shutdownhook_establish(aac_shutdown, NULL);
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return (0);
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bail_out:
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bus_dmamap_unload(sc->sc_dmat, sc->sc_common_dmamap);
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bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_common,
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sizeof(*sc->sc_common));
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bus_dmamem_free(sc->sc_dmat, &sc->sc_common_seg, 1);
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bus_dmamap_destroy(sc->sc_dmat, sc->sc_common_dmamap);
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if (state > 3)
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bus_dmamap_unload(sc->sc_dmat, sc->sc_fibs_dmamap);
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if (state > 2)
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bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_fibs, size);
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if (state > 1)
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bus_dmamem_free(sc->sc_dmat, &sc->sc_fibs_seg, 1);
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if (state > 0)
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bus_dmamap_destroy(sc->sc_dmat, sc->sc_fibs_dmamap);
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free(sc->sc_ccbs, M_DEVBUF);
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return (rv);
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}
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/*
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* Print autoconfiguration message for a sub-device.
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*/
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static int
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aac_print(void *aux, const char *pnp)
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{
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struct aac_attach_args *aaca;
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aaca = aux;
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if (pnp != NULL)
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aprint_normal("block device at %s", pnp);
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aprint_normal(" unit %d", aaca->aaca_unit);
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return (UNCONF);
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}
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/*
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* Match a sub-device.
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*/
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static int
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aac_submatch(struct device *parent, struct cfdata *cf,
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const locdesc_t *ldesc, void *aux)
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{
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struct aac_attach_args *aaca;
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aaca = aux;
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if (cf->cf_loc[AACCF_UNIT] != AACCF_UNIT_DEFAULT &&
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cf->cf_loc[AACCF_UNIT] != ldesc->locs[AACCF_UNIT])
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return (0);
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return (config_match(parent, cf, aux));
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}
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/*
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* Look up a text description of a numeric error code and return a pointer to
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* same.
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*/
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const char *
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aac_describe_code(const struct aac_code_lookup *table, u_int32_t code)
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{
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int i;
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for (i = 0; table[i].string != NULL; i++)
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if (table[i].code == code)
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return (table[i].string);
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return (table[i + 1].string);
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}
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static void
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aac_describe_controller(struct aac_softc *sc)
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{
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u_int8_t buf[AAC_FIB_DATASIZE];
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u_int16_t bufsize;
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struct aac_adapter_info *info;
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u_int8_t arg;
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arg = 0;
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if (aac_sync_fib(sc, RequestAdapterInfo, 0, &arg, sizeof(arg), &buf,
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&bufsize)) {
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aprint_error("%s: RequestAdapterInfo failed\n",
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sc->sc_dv.dv_xname);
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return;
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}
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if (bufsize != sizeof(*info)) {
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aprint_error("%s: "
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"RequestAdapterInfo returned wrong data size (%d != %d)\n",
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sc->sc_dv.dv_xname, bufsize, sizeof(*info));
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return;
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}
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info = (struct aac_adapter_info *)&buf[0];
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aprint_normal("%s: %s at %dMHz, %dMB cache, %s, kernel %d.%d-%d\n",
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sc->sc_dv.dv_xname,
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aac_describe_code(aac_cpu_variant, le32toh(info->CpuVariant)),
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le32toh(info->ClockSpeed),
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le32toh(info->BufferMem) / (1024 * 1024),
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aac_describe_code(aac_battery_platform,
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le32toh(info->batteryPlatform)),
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info->KernelRevision.external.comp.major,
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info->KernelRevision.external.comp.minor,
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info->KernelRevision.external.comp.dash);
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/* Save the kernel revision structure for later use. */
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sc->sc_revision = info->KernelRevision;
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}
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|
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/*
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* Retrieve the firmware version numbers. Dell PERC2/QC cards with firmware
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* version 1.x are not compatible with this driver.
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*/
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static int
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aac_check_firmware(struct aac_softc *sc)
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{
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u_int32_t major, minor;
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if ((sc->sc_quirks & AAC_QUIRK_PERC2QC) != 0) {
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if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
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NULL)) {
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aprint_error("%s: error reading firmware version\n",
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sc->sc_dv.dv_xname);
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return (1);
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}
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/* These numbers are stored as ASCII! */
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major = (AAC_GETREG4(sc, AAC_SA_MAILBOX + 4) & 0xff) - 0x30;
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minor = (AAC_GETREG4(sc, AAC_SA_MAILBOX + 8) & 0xff) - 0x30;
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if (major == 1) {
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aprint_error(
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"%s: firmware version %d.%d not supported.\n",
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sc->sc_dv.dv_xname, major, minor);
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return (1);
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}
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}
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|
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return (0);
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}
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|
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static int
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aac_init(struct aac_softc *sc)
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{
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int nsegs, i, rv, state, norm, high;
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struct aac_adapter_init *ip;
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u_int32_t code;
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u_int8_t *qaddr;
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state = 0;
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/*
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* First wait for the adapter to come ready.
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*/
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for (i = 0; i < AAC_BOOT_TIMEOUT * 1000; i++) {
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code = AAC_GET_FWSTATUS(sc);
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if ((code & AAC_SELF_TEST_FAILED) != 0) {
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aprint_error("%s: FATAL: selftest failed\n",
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sc->sc_dv.dv_xname);
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return (ENXIO);
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}
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if ((code & AAC_KERNEL_PANIC) != 0) {
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aprint_error("%s: FATAL: controller kernel panic\n",
|
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sc->sc_dv.dv_xname);
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return (ENXIO);
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}
|
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if ((code & AAC_UP_AND_RUNNING) != 0)
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break;
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DELAY(1000);
|
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}
|
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if (i == AAC_BOOT_TIMEOUT * 1000) {
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aprint_error(
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"%s: FATAL: controller not coming ready, status %x\n",
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sc->sc_dv.dv_xname, code);
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return (ENXIO);
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}
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|
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if ((rv = bus_dmamap_create(sc->sc_dmat, sizeof(*sc->sc_common), 1,
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sizeof(*sc->sc_common), 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
|
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&sc->sc_common_dmamap)) != 0) {
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aprint_error("%s: cannot create common dmamap\n",
|
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sc->sc_dv.dv_xname);
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return (rv);
|
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}
|
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if ((rv = bus_dmamem_alloc(sc->sc_dmat, sizeof(*sc->sc_common),
|
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PAGE_SIZE, 0, &sc->sc_common_seg, 1, &nsegs,
|
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BUS_DMA_NOWAIT)) != 0) {
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aprint_error("%s: can't allocate common structure\n",
|
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sc->sc_dv.dv_xname);
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goto bail_out;
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}
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state++;
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if ((rv = bus_dmamem_map(sc->sc_dmat, &sc->sc_common_seg, nsegs,
|
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sizeof(*sc->sc_common), (caddr_t *)&sc->sc_common, 0)) != 0) {
|
|
aprint_error("%s: can't map common structure\n",
|
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sc->sc_dv.dv_xname);
|
|
goto bail_out;
|
|
}
|
|
state++;
|
|
if ((rv = bus_dmamap_load(sc->sc_dmat, sc->sc_common_dmamap,
|
|
sc->sc_common, sizeof(*sc->sc_common), NULL,
|
|
BUS_DMA_NOWAIT)) != 0) {
|
|
aprint_error("%s: cannot load common dmamap\n",
|
|
sc->sc_dv.dv_xname);
|
|
goto bail_out;
|
|
}
|
|
state++;
|
|
|
|
memset(sc->sc_common, 0, sizeof(*sc->sc_common));
|
|
|
|
/*
|
|
* Fill in the init structure. This tells the adapter about the
|
|
* physical location of various important shared data structures.
|
|
*/
|
|
ip = &sc->sc_common->ac_init;
|
|
ip->InitStructRevision = htole32(AAC_INIT_STRUCT_REVISION);
|
|
|
|
ip->AdapterFibsPhysicalAddress = htole32(sc->sc_common_seg.ds_addr +
|
|
offsetof(struct aac_common, ac_fibs));
|
|
ip->AdapterFibsVirtualAddress = htole32(&sc->sc_common->ac_fibs[0]);
|
|
ip->AdapterFibsSize =
|
|
htole32(AAC_ADAPTER_FIBS * sizeof(struct aac_fib));
|
|
ip->AdapterFibAlign = htole32(sizeof(struct aac_fib));
|
|
|
|
ip->PrintfBufferAddress = htole32(sc->sc_common_seg.ds_addr +
|
|
offsetof(struct aac_common, ac_printf));
|
|
ip->PrintfBufferSize = htole32(AAC_PRINTF_BUFSIZE);
|
|
|
|
ip->HostPhysMemPages = 0; /* not used? */
|
|
ip->HostElapsedSeconds = 0; /* reset later if invalid */
|
|
|
|
/*
|
|
* Initialise FIB queues. Note that it appears that the layout of
|
|
* the indexes and the segmentation of the entries is mandated by
|
|
* the adapter, which is only told about the base of the queue index
|
|
* fields.
|
|
*
|
|
* The initial values of the indices are assumed to inform the
|
|
* adapter of the sizes of the respective queues.
|
|
*
|
|
* The Linux driver uses a much more complex scheme whereby several
|
|
* header records are kept for each queue. We use a couple of
|
|
* generic list manipulation functions which 'know' the size of each
|
|
* list by virtue of a table.
|
|
*/
|
|
qaddr = &sc->sc_common->ac_qbuf[0] + AAC_QUEUE_ALIGN;
|
|
qaddr -= (u_int32_t)qaddr % AAC_QUEUE_ALIGN; /* XXX not portable */
|
|
sc->sc_queues = (struct aac_queue_table *)qaddr;
|
|
ip->CommHeaderAddress = htole32(sc->sc_common_seg.ds_addr +
|
|
((caddr_t)sc->sc_queues - (caddr_t)sc->sc_common));
|
|
memset(sc->sc_queues, 0, sizeof(struct aac_queue_table));
|
|
|
|
norm = htole32(AAC_HOST_NORM_CMD_ENTRIES);
|
|
high = htole32(AAC_HOST_HIGH_CMD_ENTRIES);
|
|
|
|
sc->sc_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
|
|
norm;
|
|
sc->sc_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
|
|
norm;
|
|
sc->sc_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
|
|
high;
|
|
sc->sc_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
|
|
high;
|
|
|
|
norm = htole32(AAC_ADAP_NORM_CMD_ENTRIES);
|
|
high = htole32(AAC_ADAP_HIGH_CMD_ENTRIES);
|
|
|
|
sc->sc_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
|
|
norm;
|
|
sc->sc_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
|
|
norm;
|
|
sc->sc_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
|
|
high;
|
|
sc->sc_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
|
|
high;
|
|
|
|
norm = htole32(AAC_HOST_NORM_RESP_ENTRIES);
|
|
high = htole32(AAC_HOST_HIGH_RESP_ENTRIES);
|
|
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX] = norm;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX] = norm;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX] = high;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX] = high;
|
|
|
|
norm = htole32(AAC_ADAP_NORM_RESP_ENTRIES);
|
|
high = htole32(AAC_ADAP_HIGH_RESP_ENTRIES);
|
|
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX] = norm;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX] = norm;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX] = high;
|
|
sc->sc_queues->
|
|
qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX] = high;
|
|
|
|
sc->sc_qentries[AAC_HOST_NORM_CMD_QUEUE] =
|
|
&sc->sc_queues->qt_HostNormCmdQueue[0];
|
|
sc->sc_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
|
|
&sc->sc_queues->qt_HostHighCmdQueue[0];
|
|
sc->sc_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
|
|
&sc->sc_queues->qt_AdapNormCmdQueue[0];
|
|
sc->sc_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
|
|
&sc->sc_queues->qt_AdapHighCmdQueue[0];
|
|
sc->sc_qentries[AAC_HOST_NORM_RESP_QUEUE] =
|
|
&sc->sc_queues->qt_HostNormRespQueue[0];
|
|
sc->sc_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
|
|
&sc->sc_queues->qt_HostHighRespQueue[0];
|
|
sc->sc_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
|
|
&sc->sc_queues->qt_AdapNormRespQueue[0];
|
|
sc->sc_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
|
|
&sc->sc_queues->qt_AdapHighRespQueue[0];
|
|
|
|
/*
|
|
* Do controller-type-specific initialisation
|
|
*/
|
|
switch (sc->sc_hwif) {
|
|
case AAC_HWIF_I960RX:
|
|
AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
|
|
break;
|
|
}
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap, 0,
|
|
sizeof(*sc->sc_common),
|
|
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
|
|
|
|
/*
|
|
* Give the init structure to the controller.
|
|
*/
|
|
if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
|
|
sc->sc_common_seg.ds_addr + offsetof(struct aac_common, ac_init),
|
|
0, 0, 0, NULL)) {
|
|
aprint_error("%s: error establishing init structure\n",
|
|
sc->sc_dv.dv_xname);
|
|
rv = EIO;
|
|
goto bail_out;
|
|
}
|
|
|
|
return (0);
|
|
|
|
bail_out:
|
|
if (state > 2)
|
|
bus_dmamap_unload(sc->sc_dmat, sc->sc_common_dmamap);
|
|
if (state > 1)
|
|
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_common,
|
|
sizeof(*sc->sc_common));
|
|
if (state > 0)
|
|
bus_dmamem_free(sc->sc_dmat, &sc->sc_common_seg, 1);
|
|
bus_dmamap_destroy(sc->sc_dmat, sc->sc_common_dmamap);
|
|
|
|
return (rv);
|
|
}
|
|
|
|
/*
|
|
* Probe for containers, create disks.
|
|
*/
|
|
static void
|
|
aac_startup(struct aac_softc *sc)
|
|
{
|
|
struct aac_mntinfo mi;
|
|
struct aac_mntinforesponse mir;
|
|
struct aac_drive *hd;
|
|
u_int16_t rsize;
|
|
int i;
|
|
|
|
/*
|
|
* Loop over possible containers.
|
|
*/
|
|
hd = sc->sc_hdr;
|
|
|
|
for (i = 0; i < AAC_MAX_CONTAINERS; i++, hd++) {
|
|
/*
|
|
* Request information on this container.
|
|
*/
|
|
memset(&mi, 0, sizeof(mi));
|
|
mi.Command = htole32(VM_NameServe);
|
|
mi.MntType = htole32(FT_FILESYS);
|
|
mi.MntCount = htole32(i);
|
|
if (aac_sync_fib(sc, ContainerCommand, 0, &mi, sizeof(mi), &mir,
|
|
&rsize)) {
|
|
aprint_error("%s: error probing container %d\n",
|
|
sc->sc_dv.dv_xname, i);
|
|
continue;
|
|
}
|
|
if (rsize != sizeof(mir)) {
|
|
aprint_error("%s: container info response wrong size "
|
|
"(%d should be %d)\n",
|
|
sc->sc_dv.dv_xname, rsize, sizeof(mir));
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Check container volume type for validity. Note that many
|
|
* of the possible types may never show up.
|
|
*/
|
|
if (le32toh(mir.Status) != ST_OK ||
|
|
le32toh(mir.MntTable[0].VolType) == CT_NONE)
|
|
continue;
|
|
|
|
hd->hd_present = 1;
|
|
hd->hd_size = le32toh(mir.MntTable[0].Capacity);
|
|
hd->hd_devtype = le32toh(mir.MntTable[0].VolType);
|
|
hd->hd_size &= ~0x1f;
|
|
sc->sc_nunits++;
|
|
}
|
|
}
|
|
|
|
static void
|
|
aac_shutdown(void *cookie)
|
|
{
|
|
struct aac_softc *sc;
|
|
struct aac_close_command cc;
|
|
u_int32_t i;
|
|
|
|
for (i = 0; i < aac_cd.cd_ndevs; i++) {
|
|
if ((sc = device_lookup(&aac_cd, i)) == NULL)
|
|
continue;
|
|
if ((sc->sc_flags & AAC_ONLINE) == 0)
|
|
continue;
|
|
|
|
AAC_MASK_INTERRUPTS(sc);
|
|
|
|
/*
|
|
* Send a Container shutdown followed by a HostShutdown FIB
|
|
* to the controller to convince it that we don't want to
|
|
* talk to it anymore. We've been closed and all I/O
|
|
* completed already
|
|
*/
|
|
memset(&cc, 0, sizeof(cc));
|
|
cc.Command = htole32(VM_CloseAll);
|
|
cc.ContainerId = 0xffffffff;
|
|
if (aac_sync_fib(sc, ContainerCommand, 0, &cc, sizeof(cc),
|
|
NULL, NULL)) {
|
|
printf("%s: unable to halt controller\n",
|
|
sc->sc_dv.dv_xname);
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Note that issuing this command to the controller makes it
|
|
* shut down but also keeps it from coming back up without a
|
|
* reset of the PCI bus.
|
|
*/
|
|
if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
|
|
&i, sizeof(i), NULL, NULL))
|
|
printf("%s: unable to halt controller\n",
|
|
sc->sc_dv.dv_xname);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Take an interrupt.
|
|
*/
|
|
int
|
|
aac_intr(void *cookie)
|
|
{
|
|
struct aac_softc *sc;
|
|
u_int16_t reason;
|
|
int claimed;
|
|
|
|
sc = cookie;
|
|
claimed = 0;
|
|
|
|
AAC_DPRINTF(AAC_D_INTR, ("aac_intr(%p) ", sc));
|
|
|
|
reason = AAC_GET_ISTATUS(sc);
|
|
AAC_DPRINTF(AAC_D_INTR, ("istatus 0x%04x ", reason));
|
|
|
|
/*
|
|
* Controller wants to talk to the log. XXX Should we defer this?
|
|
*/
|
|
if ((reason & AAC_DB_PRINTF) != 0) {
|
|
if (sc->sc_common->ac_printf[0] != '\0') {
|
|
printf("%s: WARNING: adapter logged message:\n",
|
|
sc->sc_dv.dv_xname);
|
|
printf("%s: %.*s", sc->sc_dv.dv_xname,
|
|
AAC_PRINTF_BUFSIZE, sc->sc_common->ac_printf);
|
|
sc->sc_common->ac_printf[0] = '\0';
|
|
}
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
|
|
AAC_QNOTIFY(sc, AAC_DB_PRINTF);
|
|
claimed = 1;
|
|
}
|
|
|
|
/*
|
|
* Controller has a message for us?
|
|
*/
|
|
if ((reason & AAC_DB_COMMAND_READY) != 0) {
|
|
aac_host_command(sc);
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_COMMAND_READY);
|
|
claimed = 1;
|
|
}
|
|
|
|
/*
|
|
* Controller has a response for us?
|
|
*/
|
|
if ((reason & AAC_DB_RESPONSE_READY) != 0) {
|
|
aac_host_response(sc);
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
|
|
claimed = 1;
|
|
}
|
|
|
|
/*
|
|
* Spurious interrupts that we don't use - reset the mask and clear
|
|
* the interrupts.
|
|
*/
|
|
if ((reason & (AAC_DB_SYNC_COMMAND | AAC_DB_COMMAND_NOT_FULL |
|
|
AAC_DB_RESPONSE_NOT_FULL)) != 0) {
|
|
AAC_UNMASK_INTERRUPTS(sc);
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND |
|
|
AAC_DB_COMMAND_NOT_FULL | AAC_DB_RESPONSE_NOT_FULL);
|
|
claimed = 1;
|
|
}
|
|
|
|
return (claimed);
|
|
}
|
|
|
|
/*
|
|
* Handle notification of one or more FIBs coming from the controller.
|
|
*/
|
|
static void
|
|
aac_host_command(struct aac_softc *sc)
|
|
{
|
|
struct aac_fib *fib;
|
|
u_int32_t fib_size;
|
|
|
|
for (;;) {
|
|
if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE, &fib_size,
|
|
&fib))
|
|
break; /* nothing to do */
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
|
|
BUS_DMASYNC_POSTREAD);
|
|
|
|
switch (le16toh(fib->Header.Command)) {
|
|
case AifRequest:
|
|
#ifdef notyet
|
|
aac_handle_aif(sc,
|
|
(struct aac_aif_command *)&fib->data[0]);
|
|
#endif
|
|
break;
|
|
default:
|
|
printf("%s: unknown command from controller\n",
|
|
sc->sc_dv.dv_xname);
|
|
AAC_PRINT_FIB(sc, fib);
|
|
break;
|
|
}
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
|
|
BUS_DMASYNC_PREREAD);
|
|
|
|
/* XXX reply to FIBs requesting responses ?? */
|
|
/* XXX how do we return these FIBs to the controller? */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Handle notification of one or more FIBs completed by the controller
|
|
*/
|
|
static void
|
|
aac_host_response(struct aac_softc *sc)
|
|
{
|
|
struct aac_ccb *ac;
|
|
struct aac_fib *fib;
|
|
u_int32_t fib_size;
|
|
|
|
/*
|
|
* Look for completed FIBs on our queue.
|
|
*/
|
|
for (;;) {
|
|
if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
|
|
&fib))
|
|
break; /* nothing to do */
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_fibs_dmamap,
|
|
(caddr_t)fib - (caddr_t)sc->sc_fibs, sizeof(*fib),
|
|
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
|
|
|
|
if ((fib->Header.SenderData & 0x80000000) == 0) {
|
|
/* Not valid; not sent by us. */
|
|
AAC_PRINT_FIB(sc, fib);
|
|
} else {
|
|
ac = (struct aac_ccb *)((caddr_t)sc->sc_ccbs +
|
|
(fib->Header.SenderData & 0x7fffffff));
|
|
fib->Header.SenderData = 0;
|
|
SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_complete, ac, ac_chain);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Deal with any completed commands.
|
|
*/
|
|
while ((ac = SIMPLEQ_FIRST(&sc->sc_ccb_complete)) != NULL) {
|
|
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_complete, ac_chain);
|
|
ac->ac_flags |= AAC_CCB_COMPLETED;
|
|
|
|
if (ac->ac_intr != NULL)
|
|
(*ac->ac_intr)(ac);
|
|
}
|
|
|
|
/*
|
|
* Try to submit more commands.
|
|
*/
|
|
if (! SIMPLEQ_EMPTY(&sc->sc_ccb_queue))
|
|
aac_ccb_enqueue(sc, NULL);
|
|
}
|
|
|
|
/*
|
|
* Send a synchronous command to the controller and wait for a result.
|
|
*/
|
|
static int
|
|
aac_sync_command(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
|
|
u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, u_int32_t *sp)
|
|
{
|
|
int i;
|
|
u_int32_t status;
|
|
int s;
|
|
|
|
s = splbio();
|
|
|
|
/* Populate the mailbox. */
|
|
AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
|
|
|
|
/* Ensure the sync command doorbell flag is cleared. */
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
|
|
|
|
/* ... then set it to signal the adapter. */
|
|
AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
|
|
DELAY(AAC_SYNC_DELAY);
|
|
|
|
/* Spin waiting for the command to complete. */
|
|
for (i = 0; i < AAC_IMMEDIATE_TIMEOUT * 1000; i++) {
|
|
if (AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND)
|
|
break;
|
|
DELAY(1000);
|
|
}
|
|
if (i == AAC_IMMEDIATE_TIMEOUT * 1000) {
|
|
splx(s);
|
|
return (EIO);
|
|
}
|
|
|
|
/* Clear the completion flag. */
|
|
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
|
|
|
|
/* Get the command status. */
|
|
status = AAC_GET_MAILBOXSTATUS(sc);
|
|
splx(s);
|
|
if (sp != NULL)
|
|
*sp = status;
|
|
|
|
return (0); /* XXX Check command return status? */
|
|
}
|
|
|
|
/*
|
|
* Send a synchronous FIB to the controller and wait for a result.
|
|
*/
|
|
static int
|
|
aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
|
|
void *data, u_int16_t datasize, void *result,
|
|
u_int16_t *resultsize)
|
|
{
|
|
struct aac_fib *fib;
|
|
u_int32_t fibpa, status;
|
|
|
|
fib = &sc->sc_common->ac_sync_fib;
|
|
fibpa = sc->sc_common_seg.ds_addr +
|
|
offsetof(struct aac_common, ac_sync_fib);
|
|
|
|
if (datasize > AAC_FIB_DATASIZE)
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* Set up the sync FIB.
|
|
*/
|
|
fib->Header.XferState = htole32(AAC_FIBSTATE_HOSTOWNED |
|
|
AAC_FIBSTATE_INITIALISED | AAC_FIBSTATE_EMPTY | xferstate);
|
|
fib->Header.Command = htole16(command);
|
|
fib->Header.StructType = AAC_FIBTYPE_TFIB;
|
|
fib->Header.Size = htole16(sizeof(*fib) + datasize);
|
|
fib->Header.SenderSize = htole16(sizeof(*fib));
|
|
fib->Header.SenderFibAddress = htole32((u_int32_t)fib); /* XXX */
|
|
fib->Header.ReceiverFibAddress = htole32(fibpa);
|
|
|
|
/*
|
|
* Copy in data.
|
|
*/
|
|
if (data != NULL) {
|
|
memcpy(fib->data, data, datasize);
|
|
fib->Header.XferState |=
|
|
htole32(AAC_FIBSTATE_FROMHOST | AAC_FIBSTATE_NORM);
|
|
}
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
|
|
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
|
|
|
|
/*
|
|
* Give the FIB to the controller, wait for a response.
|
|
*/
|
|
if (aac_sync_command(sc, AAC_MONKER_SYNCFIB, fibpa, 0, 0, 0, &status))
|
|
return (EIO);
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
|
|
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
|
|
|
|
/*
|
|
* Copy out the result
|
|
*/
|
|
if (result != NULL) {
|
|
*resultsize = le16toh(fib->Header.Size) - sizeof(fib->Header);
|
|
memcpy(result, fib->data, *resultsize);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
struct aac_ccb *
|
|
aac_ccb_alloc(struct aac_softc *sc, int flags)
|
|
{
|
|
struct aac_ccb *ac;
|
|
int s;
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_alloc(%p, 0x%x) ", sc, flags));
|
|
|
|
s = splbio();
|
|
ac = SIMPLEQ_FIRST(&sc->sc_ccb_free);
|
|
#ifdef DIAGNOSTIC
|
|
if (ac == NULL)
|
|
panic("aac_ccb_get: no free CCBS");
|
|
#endif
|
|
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_free, ac_chain);
|
|
splx(s);
|
|
|
|
ac->ac_flags = flags;
|
|
return (ac);
|
|
}
|
|
|
|
void
|
|
aac_ccb_free(struct aac_softc *sc, struct aac_ccb *ac)
|
|
{
|
|
int s;
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_free(%p, %p) ", sc, ac));
|
|
|
|
ac->ac_flags = 0;
|
|
ac->ac_intr = NULL;
|
|
ac->ac_fib->Header.XferState = htole32(AAC_FIBSTATE_EMPTY);
|
|
ac->ac_fib->Header.StructType = AAC_FIBTYPE_TFIB;
|
|
ac->ac_fib->Header.Flags = 0;
|
|
ac->ac_fib->Header.SenderSize = htole16(sizeof(*ac->ac_fib));
|
|
|
|
#ifdef AAC_DEBUG
|
|
/*
|
|
* These are duplicated in aac_ccb_submit() to cover the case where
|
|
* an intermediate stage may have destroyed them. They're left
|
|
* initialised here for debugging purposes only.
|
|
*/
|
|
ac->ac_fib->Header.SenderFibAddress = htole32((u_int32_t)ac->ac_fib);
|
|
ac->ac_fib->Header.ReceiverFibAddress = htole32(ac->ac_fibphys);
|
|
#endif
|
|
|
|
s = splbio();
|
|
SIMPLEQ_INSERT_HEAD(&sc->sc_ccb_free, ac, ac_chain);
|
|
splx(s);
|
|
}
|
|
|
|
int
|
|
aac_ccb_map(struct aac_softc *sc, struct aac_ccb *ac)
|
|
{
|
|
int error;
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_map(%p, %p) ", sc, ac));
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if ((ac->ac_flags & AAC_CCB_MAPPED) != 0)
|
|
panic("aac_ccb_map: already mapped");
|
|
#endif
|
|
|
|
error = bus_dmamap_load(sc->sc_dmat, ac->ac_dmamap_xfer, ac->ac_data,
|
|
ac->ac_datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING |
|
|
((ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMA_READ : BUS_DMA_WRITE));
|
|
if (error) {
|
|
printf("%s: aac_ccb_map: ", sc->sc_dv.dv_xname);
|
|
if (error == EFBIG)
|
|
printf("more than %d DMA segs\n", AAC_MAX_SGENTRIES);
|
|
else
|
|
printf("error %d loading DMA map\n", error);
|
|
return (error);
|
|
}
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, ac->ac_dmamap_xfer, 0, ac->ac_datalen,
|
|
(ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMASYNC_PREREAD :
|
|
BUS_DMASYNC_PREWRITE);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
ac->ac_flags |= AAC_CCB_MAPPED;
|
|
#endif
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
aac_ccb_unmap(struct aac_softc *sc, struct aac_ccb *ac)
|
|
{
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_unmap(%p, %p) ", sc, ac));
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if ((ac->ac_flags & AAC_CCB_MAPPED) == 0)
|
|
panic("aac_ccb_unmap: not mapped");
|
|
#endif
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, ac->ac_dmamap_xfer, 0, ac->ac_datalen,
|
|
(ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMASYNC_POSTREAD :
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(sc->sc_dmat, ac->ac_dmamap_xfer);
|
|
|
|
#ifdef DIAGNOSTIC
|
|
ac->ac_flags &= ~AAC_CCB_MAPPED;
|
|
#endif
|
|
}
|
|
|
|
void
|
|
aac_ccb_enqueue(struct aac_softc *sc, struct aac_ccb *ac)
|
|
{
|
|
int s;
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_enqueue(%p, %p) ", sc, ac));
|
|
|
|
s = splbio();
|
|
|
|
if (ac != NULL)
|
|
SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_queue, ac, ac_chain);
|
|
|
|
while ((ac = SIMPLEQ_FIRST(&sc->sc_ccb_queue)) != NULL) {
|
|
if (aac_ccb_submit(sc, ac))
|
|
break;
|
|
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_queue, ac_chain);
|
|
}
|
|
|
|
splx(s);
|
|
}
|
|
|
|
int
|
|
aac_ccb_submit(struct aac_softc *sc, struct aac_ccb *ac)
|
|
{
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_submit(%p, %p) ", sc, ac));
|
|
|
|
/* Fix up the address values. */
|
|
ac->ac_fib->Header.SenderFibAddress = htole32((u_int32_t)ac->ac_fib);
|
|
ac->ac_fib->Header.ReceiverFibAddress = htole32(ac->ac_fibphys);
|
|
|
|
/* Save a pointer to the command for speedy reverse-lookup. */
|
|
ac->ac_fib->Header.SenderData =
|
|
(u_int32_t)((caddr_t)ac - (caddr_t)sc->sc_ccbs) | 0x80000000;
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_fibs_dmamap,
|
|
(caddr_t)ac->ac_fib - (caddr_t)sc->sc_fibs, sizeof(*ac->ac_fib),
|
|
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
|
|
|
|
/* Put the FIB on the outbound queue. */
|
|
return (aac_enqueue_fib(sc, AAC_ADAP_NORM_CMD_QUEUE, ac->ac_fib));
|
|
}
|
|
|
|
int
|
|
aac_ccb_poll(struct aac_softc *sc, struct aac_ccb *ac, int timo)
|
|
{
|
|
int rv, s;
|
|
|
|
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_poll(%p, %p, %d) ", sc, ac, timo));
|
|
|
|
s = splbio();
|
|
|
|
if ((rv = aac_ccb_submit(sc, ac)) != 0) {
|
|
splx(s);
|
|
return (rv);
|
|
}
|
|
|
|
for (timo *= 1000; timo != 0; timo--) {
|
|
aac_intr(sc);
|
|
if ((ac->ac_flags & AAC_CCB_COMPLETED) != 0)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
|
|
splx(s);
|
|
return (timo == 0);
|
|
}
|
|
|
|
/*
|
|
* Atomically insert an entry into the nominated queue, returns 0 on success
|
|
* or EBUSY if the queue is full.
|
|
*
|
|
* XXX Note that it would be more efficient to defer notifying the
|
|
* controller in the case where we may be inserting several entries in rapid
|
|
* succession, but implementing this usefully is difficult.
|
|
*/
|
|
static int
|
|
aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_fib *fib)
|
|
{
|
|
u_int32_t fib_size, fib_addr, pi, ci;
|
|
|
|
fib_size = le16toh(fib->Header.Size);
|
|
fib_addr = le32toh(fib->Header.ReceiverFibAddress);
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
|
|
sizeof(sc->sc_common->ac_qbuf),
|
|
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
|
|
|
|
/* Get the producer/consumer indices. */
|
|
pi = le32toh(sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]);
|
|
ci = le32toh(sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]);
|
|
|
|
/* Wrap the queue? */
|
|
if (pi >= aac_qinfo[queue].size)
|
|
pi = 0;
|
|
|
|
/* Check for queue full. */
|
|
if ((pi + 1) == ci)
|
|
return (EAGAIN);
|
|
|
|
/* Populate queue entry. */
|
|
(sc->sc_qentries[queue] + pi)->aq_fib_size = htole32(fib_size);
|
|
(sc->sc_qentries[queue] + pi)->aq_fib_addr = htole32(fib_addr);
|
|
|
|
/* Update producer index. */
|
|
sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = htole32(pi + 1);
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
|
|
sizeof(sc->sc_common->ac_qbuf),
|
|
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
|
|
|
|
/* Notify the adapter if we know how. */
|
|
if (aac_qinfo[queue].notify != 0)
|
|
AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Atomically remove one entry from the nominated queue, returns 0 on success
|
|
* or ENOENT if the queue is empty.
|
|
*/
|
|
static int
|
|
aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
|
|
struct aac_fib **fib_addr)
|
|
{
|
|
u_int32_t pi, ci;
|
|
int notify;
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
|
|
sizeof(sc->sc_common->ac_qbuf),
|
|
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
|
|
|
|
/* Get the producer/consumer indices. */
|
|
pi = le32toh(sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]);
|
|
ci = le32toh(sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]);
|
|
|
|
/* Check for queue empty. */
|
|
if (ci == pi)
|
|
return (ENOENT);
|
|
|
|
notify = 0;
|
|
if (ci == pi + 1)
|
|
notify = 1;
|
|
|
|
/* Wrap the queue? */
|
|
if (ci >= aac_qinfo[queue].size)
|
|
ci = 0;
|
|
|
|
/* Fetch the entry. */
|
|
*fib_size = le32toh((sc->sc_qentries[queue] + ci)->aq_fib_size);
|
|
*fib_addr = le32toh((struct aac_fib *)
|
|
(sc->sc_qentries[queue] + ci)->aq_fib_addr);
|
|
|
|
/* Update consumer index. */
|
|
sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
|
|
|
|
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
|
|
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
|
|
sizeof(sc->sc_common->ac_qbuf),
|
|
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
|
|
|
|
/* If we have made the queue un-full, notify the adapter. */
|
|
if (notify && (aac_qinfo[queue].notify != 0))
|
|
AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
|
|
|
|
return (0);
|
|
}
|
|
|
|
#ifdef AAC_DEBUG
|
|
/*
|
|
* Print a FIB
|
|
*/
|
|
static void
|
|
aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, char *caller)
|
|
{
|
|
struct aac_blockread *br;
|
|
struct aac_blockwrite *bw;
|
|
struct aac_sg_table *sg;
|
|
char buf[512];
|
|
int i;
|
|
|
|
printf("%s: FIB @ %p\n", caller, fib);
|
|
bitmask_snprintf(le32toh(fib->Header.XferState),
|
|
"\20"
|
|
"\1HOSTOWNED"
|
|
"\2ADAPTEROWNED"
|
|
"\3INITIALISED"
|
|
"\4EMPTY"
|
|
"\5FROMPOOL"
|
|
"\6FROMHOST"
|
|
"\7FROMADAP"
|
|
"\10REXPECTED"
|
|
"\11RNOTEXPECTED"
|
|
"\12DONEADAP"
|
|
"\13DONEHOST"
|
|
"\14HIGH"
|
|
"\15NORM"
|
|
"\16ASYNC"
|
|
"\17PAGEFILEIO"
|
|
"\20SHUTDOWN"
|
|
"\21LAZYWRITE"
|
|
"\22ADAPMICROFIB"
|
|
"\23BIOSFIB"
|
|
"\24FAST_RESPONSE"
|
|
"\25APIFIB\n",
|
|
buf,
|
|
sizeof(buf));
|
|
|
|
printf(" XferState %s\n", buf);
|
|
printf(" Command %d\n", le16toh(fib->Header.Command));
|
|
printf(" StructType %d\n", fib->Header.StructType);
|
|
printf(" Flags 0x%x\n", fib->Header.Flags);
|
|
printf(" Size %d\n", le16toh(fib->Header.Size));
|
|
printf(" SenderSize %d\n", le16toh(fib->Header.SenderSize));
|
|
printf(" SenderAddress 0x%x\n",
|
|
le32toh(fib->Header.SenderFibAddress));
|
|
printf(" ReceiverAddress 0x%x\n",
|
|
le32toh(fib->Header.ReceiverFibAddress));
|
|
printf(" SenderData 0x%x\n", fib->Header.SenderData);
|
|
|
|
switch (fib->Header.Command) {
|
|
case ContainerCommand: {
|
|
br = (struct aac_blockread *)fib->data;
|
|
bw = (struct aac_blockwrite *)fib->data;
|
|
sg = NULL;
|
|
|
|
if (le32toh(br->Command) == VM_CtBlockRead) {
|
|
printf(" BlockRead: container %d 0x%x/%d\n",
|
|
le32toh(br->ContainerId), le32toh(br->BlockNumber),
|
|
le32toh(br->ByteCount));
|
|
sg = &br->SgMap;
|
|
}
|
|
if (le32toh(bw->Command) == VM_CtBlockWrite) {
|
|
printf(" BlockWrite: container %d 0x%x/%d (%s)\n",
|
|
le32toh(bw->ContainerId), le32toh(bw->BlockNumber),
|
|
le32toh(bw->ByteCount),
|
|
le32toh(bw->Stable) == CSTABLE ?
|
|
"stable" : "unstable");
|
|
sg = &bw->SgMap;
|
|
}
|
|
if (sg != NULL) {
|
|
printf(" %d s/g entries\n", le32toh(sg->SgCount));
|
|
for (i = 0; i < le32toh(sg->SgCount); i++)
|
|
printf(" 0x%08x/%d\n",
|
|
le32toh(sg->SgEntry[i].SgAddress),
|
|
le32toh(sg->SgEntry[i].SgByteCount));
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
printf(" %16D\n", fib->data, " ");
|
|
printf(" %16D\n", fib->data + 16, " ");
|
|
break;
|
|
}
|
|
}
|
|
#endif /* AAC_DEBUG */
|