5e698c9f5e
driver build 15317. Tested on: Adaptec 2230S, Firmware 4.2-0 (8205) ICP ICP5085BL, Firmware 5.2-0 (12814) Submitted by: Adaptec
633 lines
18 KiB
C
633 lines
18 KiB
C
/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2001 Scott Long
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* Copyright (c) 2000 BSDi
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* Copyright (c) 2001 Adaptec, Inc.
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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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* $FreeBSD$
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*/
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#include <sys/bio.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/taskqueue.h>
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#include <sys/selinfo.h>
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#include <geom/geom_disk.h>
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#ifndef AAC_DRIVER_BUILD
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# define AAC_DRIVER_BUILD 1
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#endif
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/*
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* Driver Parameter Definitions
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*/
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/*
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* The firmware interface allows for a 16-bit s/g list length. We limit
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* ourselves to a reasonable maximum and ensure alignment.
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*/
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#define AAC_MAXSGENTRIES 64 /* max S/G entries, limit 65535 */
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/*
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* We allocate a small set of FIBs for the adapter to use to send us messages.
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*/
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#define AAC_ADAPTER_FIBS 8
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/*
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* FIBs are allocated in page-size chunks and can grow up to the 512
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* limit imposed by the hardware.
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*/
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#define AAC_PREALLOCATE_FIBS 128
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#define AAC_NUM_MGT_FIB 8
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/*
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* The controller reports status events in AIFs. We hang on to a number of
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* these in order to pass them out to user-space management tools.
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*/
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#define AAC_AIFQ_LENGTH 64
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/*
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* Firmware messages are passed in the printf buffer.
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*/
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#define AAC_PRINTF_BUFSIZE 256
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/*
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* We wait this many seconds for the adapter to come ready if it is still
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* booting
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*/
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#define AAC_BOOT_TIMEOUT (3 * 60)
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/*
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* Timeout for immediate commands.
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*/
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#define AAC_IMMEDIATE_TIMEOUT 30 /* seconds */
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/*
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* Timeout for normal commands
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*/
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#define AAC_CMD_TIMEOUT 30 /* seconds */
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/*
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* Rate at which we periodically check for timed out commands and kick the
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* controller.
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*/
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#define AAC_PERIODIC_INTERVAL 20 /* seconds */
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/*
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* Per-container data structure
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*/
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struct aac_container
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{
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struct aac_mntobj co_mntobj;
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device_t co_disk;
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int co_found;
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TAILQ_ENTRY(aac_container) co_link;
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};
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/*
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* Per-SIM data structure
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*/
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struct aac_sim
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{
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device_t sim_dev;
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int TargetsPerBus;
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int BusNumber;
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int InitiatorBusId;
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struct aac_softc *aac_sc;
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TAILQ_ENTRY(aac_sim) sim_link;
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};
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/*
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* Per-disk structure
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*/
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struct aac_disk
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{
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device_t ad_dev;
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struct aac_softc *ad_controller;
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struct aac_container *ad_container;
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struct disk *ad_disk;
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int ad_flags;
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#define AAC_DISK_OPEN (1<<0)
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int ad_cylinders;
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int ad_heads;
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int ad_sectors;
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u_int64_t ad_size;
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int unit;
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};
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/*
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* Per-command control structure.
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*/
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struct aac_command
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{
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TAILQ_ENTRY(aac_command) cm_link; /* list linkage */
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struct aac_softc *cm_sc; /* controller that owns us */
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struct aac_fib *cm_fib; /* FIB associated with this
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* command */
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u_int64_t cm_fibphys; /* bus address of the FIB */
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struct bio *cm_data; /* pointer to data in kernel
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* space */
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u_int32_t cm_datalen; /* data length */
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bus_dmamap_t cm_datamap; /* DMA map for bio data */
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struct aac_sg_table *cm_sgtable; /* pointer to s/g table in
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* command */
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int cm_flags;
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#define AAC_CMD_MAPPED (1<<0) /* command has had its data
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* mapped */
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#define AAC_CMD_DATAIN (1<<1) /* command involves data moving
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* from controller to host */
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#define AAC_CMD_DATAOUT (1<<2) /* command involves data moving
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* from host to controller */
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#define AAC_CMD_COMPLETED (1<<3) /* command has been completed */
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#define AAC_CMD_TIMEDOUT (1<<4) /* command taken too long */
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#define AAC_ON_AACQ_FREE (1<<5)
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#define AAC_ON_AACQ_READY (1<<6)
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#define AAC_ON_AACQ_BUSY (1<<7)
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#define AAC_ON_AACQ_AIF (1<<8)
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#define AAC_ON_AACQ_NORM (1<<10)
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#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8)|(1<<10))
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#define AAC_QUEUE_FRZN (1<<9) /* Freeze the processing of
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* commands on the queue. */
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void (* cm_complete)(struct aac_command *cm);
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void *cm_private;
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time_t cm_timestamp; /* command creation time */
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int cm_queue;
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int cm_index;
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};
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struct aac_fibmap {
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TAILQ_ENTRY(aac_fibmap) fm_link; /* list linkage */
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struct aac_fib *aac_fibs;
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bus_dmamap_t aac_fibmap;
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struct aac_command *aac_commands;
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};
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/*
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* We gather a number of adapter-visible items into a single structure.
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*
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* The ordering of this strucure may be important; we copy the Linux driver:
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*
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* Adapter FIBs
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* Init struct
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* Queue headers (Comm Area)
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* Printf buffer
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*
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* In addition, we add:
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* Sync Fib
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*/
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struct aac_common {
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/* fibs for the controller to send us messages */
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struct aac_fib ac_fibs[AAC_ADAPTER_FIBS];
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/* the init structure */
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struct aac_adapter_init ac_init;
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/* arena within which the queue structures are kept */
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u_int8_t ac_qbuf[sizeof(struct aac_queue_table) +
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AAC_QUEUE_ALIGN];
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/* buffer for text messages from the controller */
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char ac_printf[AAC_PRINTF_BUFSIZE];
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/* fib for synchronous commands */
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struct aac_fib ac_sync_fib;
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};
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/*
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* Interface operations
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*/
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struct aac_interface
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{
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int (*aif_get_fwstatus)(struct aac_softc *sc);
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void (*aif_qnotify)(struct aac_softc *sc, int qbit);
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int (*aif_get_istatus)(struct aac_softc *sc);
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void (*aif_clr_istatus)(struct aac_softc *sc, int mask);
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void (*aif_set_mailbox)(struct aac_softc *sc, u_int32_t command,
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u_int32_t arg0, u_int32_t arg1,
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u_int32_t arg2, u_int32_t arg3);
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int (*aif_get_mailbox)(struct aac_softc *sc, int mb);
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void (*aif_set_interrupts)(struct aac_softc *sc, int enable);
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int (*aif_send_command)(struct aac_softc *sc, struct aac_command *cm);
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int (*aif_get_outb_queue)(struct aac_softc *sc);
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void (*aif_set_outb_queue)(struct aac_softc *sc, int index);
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};
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extern struct aac_interface aac_rx_interface;
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extern struct aac_interface aac_sa_interface;
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extern struct aac_interface aac_fa_interface;
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extern struct aac_interface aac_rkt_interface;
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#define AAC_GET_FWSTATUS(sc) ((sc)->aac_if.aif_get_fwstatus((sc)))
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#define AAC_QNOTIFY(sc, qbit) ((sc)->aac_if.aif_qnotify((sc), (qbit)))
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#define AAC_GET_ISTATUS(sc) ((sc)->aac_if.aif_get_istatus((sc)))
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#define AAC_CLEAR_ISTATUS(sc, mask) ((sc)->aac_if.aif_clr_istatus((sc), \
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(mask)))
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#define AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3) \
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((sc)->aac_if.aif_set_mailbox((sc), (command), (arg0), (arg1), (arg2), \
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(arg3)))
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#define AAC_GET_MAILBOX(sc, mb) ((sc)->aac_if.aif_get_mailbox((sc), \
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(mb)))
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#define AAC_MASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
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0))
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#define AAC_UNMASK_INTERRUPTS(sc) ((sc)->aac_if.aif_set_interrupts((sc), \
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1))
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#define AAC_SEND_COMMAND(sc, cm) ((sc)->aac_if.aif_send_command((sc), (cm)))
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#define AAC_GET_OUTB_QUEUE(sc) ((sc)->aac_if.aif_get_outb_queue((sc)))
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#define AAC_SET_OUTB_QUEUE(sc, idx) ((sc)->aac_if.aif_set_outb_queue((sc), (idx)))
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#define AAC_SETREG4(sc, reg, val) bus_space_write_4(sc->aac_btag, \
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sc->aac_bhandle, reg, val)
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#define AAC_GETREG4(sc, reg) bus_space_read_4 (sc->aac_btag, \
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sc->aac_bhandle, reg)
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#define AAC_SETREG2(sc, reg, val) bus_space_write_2(sc->aac_btag, \
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sc->aac_bhandle, reg, val)
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#define AAC_GETREG2(sc, reg) bus_space_read_2 (sc->aac_btag, \
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sc->aac_bhandle, reg)
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#define AAC_SETREG1(sc, reg, val) bus_space_write_1(sc->aac_btag, \
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sc->aac_bhandle, reg, val)
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#define AAC_GETREG1(sc, reg) bus_space_read_1 (sc->aac_btag, \
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sc->aac_bhandle, reg)
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/* fib context (IOCTL) */
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struct aac_fib_context {
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u_int32_t unique;
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int ctx_idx;
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int ctx_wrap;
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struct aac_fib_context *next, *prev;
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};
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/*
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* Per-controller structure.
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*/
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struct aac_softc
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{
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/* bus connections */
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device_t aac_dev;
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struct resource *aac_regs_resource; /* register interface
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* window */
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int aac_regs_rid; /* resource ID */
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bus_space_handle_t aac_bhandle; /* bus space handle */
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bus_space_tag_t aac_btag; /* bus space tag */
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bus_dma_tag_t aac_parent_dmat; /* parent DMA tag */
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bus_dma_tag_t aac_buffer_dmat; /* data buffer/command
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* DMA tag */
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struct resource *aac_irq; /* interrupt */
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int aac_irq_rid;
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void *aac_intr; /* interrupt handle */
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eventhandler_tag eh;
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/* controller features, limits and status */
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int aac_state;
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#define AAC_STATE_SUSPEND (1<<0)
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#define AAC_STATE_OPEN (1<<1)
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#define AAC_STATE_INTERRUPTS_ON (1<<2)
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#define AAC_STATE_AIF_SLEEPER (1<<3)
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int aac_open_cnt;
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struct FsaRevision aac_revision;
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/* controller hardware interface */
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int aac_hwif;
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#define AAC_HWIF_I960RX 0
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#define AAC_HWIF_STRONGARM 1
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#define AAC_HWIF_FALCON 2
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#define AAC_HWIF_RKT 3
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#define AAC_HWIF_UNKNOWN -1
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bus_dma_tag_t aac_common_dmat; /* common structure
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* DMA tag */
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bus_dmamap_t aac_common_dmamap; /* common structure
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* DMA map */
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struct aac_common *aac_common;
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u_int32_t aac_common_busaddr;
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struct aac_interface aac_if;
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/* command/fib resources */
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bus_dma_tag_t aac_fib_dmat; /* DMA tag for allocing FIBs */
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TAILQ_HEAD(,aac_fibmap) aac_fibmap_tqh;
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u_int total_fibs;
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struct aac_command *aac_commands;
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/* command management */
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TAILQ_HEAD(,aac_command) aac_free; /* command structures
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* available for reuse */
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TAILQ_HEAD(,aac_command) aac_ready; /* commands on hold for
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* controller resources */
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TAILQ_HEAD(,aac_command) aac_busy;
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TAILQ_HEAD(,aac_event) aac_ev_cmfree;
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struct bio_queue_head aac_bioq;
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struct aac_queue_table *aac_queues;
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struct aac_queue_entry *aac_qentries[AAC_QUEUE_COUNT];
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struct aac_qstat aac_qstat[AACQ_COUNT]; /* queue statistics */
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/* connected containters */
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TAILQ_HEAD(,aac_container) aac_container_tqh;
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struct mtx aac_container_lock;
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/*
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* The general I/O lock. This protects the sync fib, the lists, the
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* queues, and the registers.
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*/
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struct mtx aac_io_lock;
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/* delayed activity infrastructure */
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struct task aac_task_complete; /* deferred-completion
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* task */
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struct intr_config_hook aac_ich;
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/* management interface */
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struct cdev *aac_dev_t;
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struct mtx aac_aifq_lock;
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struct aac_fib aac_aifq[AAC_AIFQ_LENGTH];
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int aifq_idx;
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int aifq_filled;
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struct aac_fib_context *fibctx;
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struct selinfo rcv_select;
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struct proc *aifthread;
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int aifflags;
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#define AAC_AIFFLAGS_RUNNING (1 << 0)
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#define AAC_AIFFLAGS_AIF (1 << 1)
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#define AAC_AIFFLAGS_EXIT (1 << 2)
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#define AAC_AIFFLAGS_EXITED (1 << 3)
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#define AAC_AIFFLAGS_PRINTF (1 << 4)
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#define AAC_AIFFLAGS_ALLOCFIBS (1 << 5)
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#define AAC_AIFFLAGS_PENDING (AAC_AIFFLAGS_AIF | AAC_AIFFLAGS_PRINTF | \
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AAC_AIFFLAGS_ALLOCFIBS)
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u_int32_t flags;
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#define AAC_FLAGS_PERC2QC (1 << 0)
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#define AAC_FLAGS_ENABLE_CAM (1 << 1) /* No SCSI passthrough */
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#define AAC_FLAGS_CAM_NORESET (1 << 2) /* Fake SCSI resets */
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#define AAC_FLAGS_CAM_PASSONLY (1 << 3) /* Only create pass devices */
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#define AAC_FLAGS_SG_64BIT (1 << 4) /* Use 64-bit S/G addresses */
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#define AAC_FLAGS_4GB_WINDOW (1 << 5) /* Device can access host mem
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* 2GB-4GB range */
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#define AAC_FLAGS_NO4GB (1 << 6) /* Can't access host mem >2GB */
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#define AAC_FLAGS_256FIBS (1 << 7) /* Can only do 256 commands */
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#define AAC_FLAGS_BROKEN_MEMMAP (1 << 8) /* Broken HostPhysMemPages */
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#define AAC_FLAGS_SLAVE (1 << 9)
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#define AAC_FLAGS_MASTER (1 << 10)
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#define AAC_FLAGS_NEW_COMM (1 << 11) /* New comm. interface supported */
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#define AAC_FLAGS_RAW_IO (1 << 12) /* Raw I/O interface */
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#define AAC_FLAGS_ARRAY_64BIT (1 << 13) /* 64-bit array size */
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#define AAC_FLAGS_LBA_64BIT (1 << 14) /* 64-bit LBA support */
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u_int32_t supported_options;
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u_int32_t scsi_method_id;
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TAILQ_HEAD(,aac_sim) aac_sim_tqh;
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u_int32_t aac_max_fibs; /* max. FIB count */
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u_int32_t aac_max_fibs_alloc; /* max. alloc. per alloc_commands() */
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u_int32_t aac_max_fib_size; /* max. FIB size */
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u_int32_t aac_sg_tablesize; /* max. sg count from host */
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u_int32_t aac_max_sectors; /* max. I/O size from host (blocks) */
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};
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/*
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* Event callback mechanism for the driver
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*/
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#define AAC_EVENT_NONE 0x00
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#define AAC_EVENT_CMFREE 0x01
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#define AAC_EVENT_MASK 0xff
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#define AAC_EVENT_REPEAT 0x100
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typedef void aac_event_cb_t(struct aac_softc *sc, struct aac_event *event,
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void *arg);
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struct aac_event {
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TAILQ_ENTRY(aac_event) ev_links;
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int ev_type;
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aac_event_cb_t *ev_callback;
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void *ev_arg;
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};
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/*
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* Public functions
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*/
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extern void aac_free(struct aac_softc *sc);
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extern int aac_attach(struct aac_softc *sc);
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extern int aac_detach(device_t dev);
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extern int aac_shutdown(device_t dev);
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extern int aac_suspend(device_t dev);
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extern int aac_resume(device_t dev);
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extern void aac_new_intr(void *arg);
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extern int aac_fast_intr(void *arg);
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extern void aac_submit_bio(struct bio *bp);
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extern void aac_biodone(struct bio *bp);
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extern void aac_startio(struct aac_softc *sc);
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extern int aac_alloc_command(struct aac_softc *sc,
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struct aac_command **cmp);
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extern void aac_release_command(struct aac_command *cm);
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extern int aac_sync_fib(struct aac_softc *sc, u_int32_t command,
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u_int32_t xferstate, struct aac_fib *fib,
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u_int16_t datasize);
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extern void aac_add_event(struct aac_softc *sc, struct aac_event
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*event);
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#ifdef AAC_DEBUG
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extern int aac_debug_enable;
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# define fwprintf(sc, flags, fmt, args...) \
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do { \
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if (!aac_debug_enable) \
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break; \
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if (sc != NULL) \
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device_printf(((struct aac_softc *)sc)->aac_dev, \
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"%s: " fmt "\n", __func__, ##args); \
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else \
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printf("%s: " fmt "\n", __func__, ##args); \
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} while(0)
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extern void aac_print_queues(struct aac_softc *sc);
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extern void aac_panic(struct aac_softc *sc, char *reason);
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extern void aac_print_fib(struct aac_softc *sc, struct aac_fib *fib,
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const char *caller);
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extern void aac_print_aif(struct aac_softc *sc,
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struct aac_aif_command *aif);
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#define AAC_PRINT_FIB(sc, fib) aac_print_fib(sc, fib, __func__)
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#else
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# define fwprintf(sc, flags, fmt, args...)
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# define aac_print_queues(sc)
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# define aac_panic(sc, reason)
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# define AAC_PRINT_FIB(sc, fib)
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# define aac_print_aif(sc, aac_aif_command)
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#endif
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struct aac_code_lookup {
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char *string;
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u_int32_t code;
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};
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/*
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* Queue primitives for driver queues.
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*/
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#define AACQ_ADD(sc, qname) \
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do { \
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struct aac_qstat *qs; \
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\
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qs = &(sc)->aac_qstat[qname]; \
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\
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qs->q_length++; \
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if (qs->q_length > qs->q_max) \
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qs->q_max = qs->q_length; \
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} while (0)
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#define AACQ_REMOVE(sc, qname) (sc)->aac_qstat[qname].q_length--
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#define AACQ_INIT(sc, qname) \
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do { \
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sc->aac_qstat[qname].q_length = 0; \
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sc->aac_qstat[qname].q_max = 0; \
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} while (0)
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|
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#define AACQ_COMMAND_QUEUE(name, index) \
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static __inline void \
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aac_initq_ ## name (struct aac_softc *sc) \
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{ \
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TAILQ_INIT(&sc->aac_ ## name); \
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AACQ_INIT(sc, index); \
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} \
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static __inline void \
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aac_enqueue_ ## name (struct aac_command *cm) \
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|
{ \
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if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
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printf("command %p is on another queue, flags = %#x\n", \
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cm, cm->cm_flags); \
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panic("command is on another queue"); \
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} \
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TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
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cm->cm_flags |= AAC_ON_ ## index; \
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AACQ_ADD(cm->cm_sc, index); \
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} \
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static __inline void \
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|
aac_requeue_ ## name (struct aac_command *cm) \
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|
{ \
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if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
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printf("command %p is on another queue, flags = %#x\n", \
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|
cm, cm->cm_flags); \
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panic("command is on another queue"); \
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|
} \
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TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
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|
cm->cm_flags |= AAC_ON_ ## index; \
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|
AACQ_ADD(cm->cm_sc, index); \
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|
} \
|
|
static __inline struct aac_command * \
|
|
aac_dequeue_ ## name (struct aac_softc *sc) \
|
|
{ \
|
|
struct aac_command *cm; \
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|
\
|
|
if ((cm = TAILQ_FIRST(&sc->aac_ ## name)) != NULL) { \
|
|
if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
|
|
printf("command %p not in queue, flags = %#x, " \
|
|
"bit = %#x\n", cm, cm->cm_flags, \
|
|
AAC_ON_ ## index); \
|
|
panic("command not in queue"); \
|
|
} \
|
|
TAILQ_REMOVE(&sc->aac_ ## name, cm, cm_link); \
|
|
cm->cm_flags &= ~AAC_ON_ ## index; \
|
|
AACQ_REMOVE(sc, index); \
|
|
} \
|
|
return(cm); \
|
|
} \
|
|
static __inline void \
|
|
aac_remove_ ## name (struct aac_command *cm) \
|
|
{ \
|
|
if ((cm->cm_flags & AAC_ON_ ## index) == 0) { \
|
|
printf("command %p not in queue, flags = %#x, " \
|
|
"bit = %#x\n", cm, cm->cm_flags, \
|
|
AAC_ON_ ## index); \
|
|
panic("command not in queue"); \
|
|
} \
|
|
TAILQ_REMOVE(&cm->cm_sc->aac_ ## name, cm, cm_link); \
|
|
cm->cm_flags &= ~AAC_ON_ ## index; \
|
|
AACQ_REMOVE(cm->cm_sc, index); \
|
|
} \
|
|
struct hack
|
|
|
|
AACQ_COMMAND_QUEUE(free, AACQ_FREE);
|
|
AACQ_COMMAND_QUEUE(ready, AACQ_READY);
|
|
AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
|
|
|
|
/*
|
|
* outstanding bio queue
|
|
*/
|
|
static __inline void
|
|
aac_initq_bio(struct aac_softc *sc)
|
|
{
|
|
bioq_init(&sc->aac_bioq);
|
|
AACQ_INIT(sc, AACQ_BIO);
|
|
}
|
|
|
|
static __inline void
|
|
aac_enqueue_bio(struct aac_softc *sc, struct bio *bp)
|
|
{
|
|
bioq_insert_tail(&sc->aac_bioq, bp);
|
|
AACQ_ADD(sc, AACQ_BIO);
|
|
}
|
|
|
|
static __inline struct bio *
|
|
aac_dequeue_bio(struct aac_softc *sc)
|
|
{
|
|
struct bio *bp;
|
|
|
|
if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
|
|
bioq_remove(&sc->aac_bioq, bp);
|
|
AACQ_REMOVE(sc, AACQ_BIO);
|
|
}
|
|
return(bp);
|
|
}
|
|
|
|
static __inline void
|
|
aac_print_printf(struct aac_softc *sc)
|
|
{
|
|
/*
|
|
* XXX We have the ability to read the length of the printf string
|
|
* from out of the mailboxes.
|
|
*/
|
|
device_printf(sc->aac_dev, "**Monitor** %.*s", AAC_PRINTF_BUFSIZE,
|
|
sc->aac_common->ac_printf);
|
|
sc->aac_common->ac_printf[0] = 0;
|
|
AAC_QNOTIFY(sc, AAC_DB_PRINTF);
|
|
}
|
|
|
|
static __inline int
|
|
aac_alloc_sync_fib(struct aac_softc *sc, struct aac_fib **fib)
|
|
{
|
|
|
|
mtx_assert(&sc->aac_io_lock, MA_OWNED);
|
|
*fib = &sc->aac_common->ac_sync_fib;
|
|
return (0);
|
|
}
|
|
|
|
static __inline void
|
|
aac_release_sync_fib(struct aac_softc *sc)
|
|
{
|
|
|
|
mtx_assert(&sc->aac_io_lock, MA_OWNED);
|
|
}
|
|
|