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https://git.FreeBSD.org/src.git
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f90c382c0c
Rename diskerr() to disk_err() for naming consistency. Drop the by now entirely useless struct disklabel argument. Add a flag argument for new-line termination. Fix a couple of printf-format-casts to %j instead of %l. Correctly print the name of all bio commands. Move the function from subr_disklabel.c to subr_disk.c, and from <sys/disklabel.h> to <sys/disk.h>. Use the new disk_err() throughout, #include <sys/disk.h> as needed. Bump __FreeBSD_version for the sake of the aac disk drivers #ifdefs. Remove unused disklabel members of softc for aac, amr and mlx, which seem to originally have been intended for diskerr() use, but which only rotted and got Copy&Pasted at least two times to many. Sponsored by: DARPA & NAI Labs.
589 lines
17 KiB
C
589 lines
17 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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/*
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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 up-front, and the pool isn't grown. We should allocate
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* enough here to let us keep the adapter busy without wasting large amounts
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* of kernel memory. The current interface implementation limits us to 512
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* FIBs queued for the adapter at any one time.
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*/
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#define AAC_FIB_COUNT 128
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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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* Character device major numbers.
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*/
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#define AAC_DISK_MAJOR 200
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/*
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* Driver Variable Definitions
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*/
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#if __FreeBSD_version >= 500005
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# include <sys/taskqueue.h>
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#endif
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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-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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dev_t ad_dev_t;
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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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struct devstat ad_stats;
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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_int32_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_int32_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_COMPLETE (1<<8)
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#define AAC_ON_AACQ_MASK ((1<<5)|(1<<6)|(1<<7)|(1<<8))
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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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};
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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_mailboxstatus)(struct aac_softc *sc);
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void (*aif_set_interrupts)(struct aac_softc *sc, int enable);
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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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#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_MAILBOXSTATUS(sc) ((sc)->aac_if.aif_get_mailboxstatus( \
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(sc)))
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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_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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TAILQ_HEAD(aac_container_tq, aac_container);
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/* Define the OS version specific locks */
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#if __FreeBSD_version >= 500005
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#include <sys/lock.h>
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#include <sys/mutex.h>
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typedef struct mtx aac_lock_t;
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#define AAC_LOCK_INIT(l, s) mtx_init(l, s, NULL, MTX_DEF)
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#define AAC_LOCK_ACQUIRE(l) mtx_lock(l)
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#define AAC_LOCK_RELEASE(l) mtx_unlock(l)
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#else
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typedef struct simplelock aac_lock_t;
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#define AAC_LOCK_INIT(l, s) simple_lock_init(l)
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#define AAC_LOCK_ACQUIRE(l) simple_lock(l)
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#define AAC_LOCK_RELEASE(l) simple_unlock(l)
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#endif
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#if __FreeBSD_version >= 500005
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#include <sys/selinfo.h>
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#else
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#include <sys/select.h>
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#endif
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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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/* 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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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_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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struct aac_fib *aac_fibs;
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bus_dmamap_t aac_fibmap;
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u_int32_t aac_fibphys;
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struct aac_command aac_command[AAC_FIB_COUNT];
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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_command) aac_complete; /* commands which have been
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* returned by the controller */
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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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struct aac_container_tq aac_container_tqh;
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aac_lock_t aac_container_lock;
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/* Protect the sync fib */
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#define AAC_SYNC_LOCK_FORCE (1 << 0)
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aac_lock_t aac_sync_lock;
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/* delayed activity infrastructure */
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#if __FreeBSD_version >= 500005
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struct task aac_task_complete; /* deferred-completion
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* task */
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#endif
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struct intr_config_hook aac_ich;
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/* management interface */
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dev_t aac_dev_t;
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aac_lock_t aac_aifq_lock;
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struct aac_aif_command aac_aifq[AAC_AIFQ_LENGTH];
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int aac_aifq_head;
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int aac_aifq_tail;
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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_PENDING (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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u_int32_t quirks;
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#define AAC_QUIRK_PERC2QC (1 << 0)
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#define AAC_QUIRK_NOCAM (1 << 1) /* No SCSI passthrough */
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#define AAC_QUIRK_CAM_NORESET (1 << 2) /* Fake SCSI resets */
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#define AAC_QUIRK_CAM_PASSONLY (1 << 3) /* Only create pass devices */
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u_int32_t scsi_method_id;
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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_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_alloc_sync_fib(struct aac_softc *sc,
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struct aac_fib **fib, int flags);
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extern void aac_release_sync_fib(struct aac_softc *sc);
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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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/*
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* Debugging levels:
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* 0 - quiet, only emit warnings
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* 1 - noisy, emit major function points and things done
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* 2 - extremely noisy, emit trace items in loops, etc.
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*/
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#ifdef AAC_DEBUG
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# define debug(level, fmt, args...) \
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do { \
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if (level <=AAC_DEBUG) printf("%s: " fmt "\n", __func__ , ##args); \
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} while (0)
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# define debug_called(level) \
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do { \
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if (level <= AAC_DEBUG) printf("%s: called\n", __func__); \
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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 debug(level, fmt, args...)
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# define debug_called(level)
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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; \
|
|
sc->aac_qstat[qname].q_max = 0; \
|
|
} while (0)
|
|
|
|
|
|
#define AACQ_COMMAND_QUEUE(name, index) \
|
|
static __inline void \
|
|
aac_initq_ ## name (struct aac_softc *sc) \
|
|
{ \
|
|
TAILQ_INIT(&sc->aac_ ## name); \
|
|
AACQ_INIT(sc, index); \
|
|
} \
|
|
static __inline void \
|
|
aac_enqueue_ ## name (struct aac_command *cm) \
|
|
{ \
|
|
int s; \
|
|
\
|
|
s = splbio(); \
|
|
if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
|
|
printf("command %p is on another queue, flags = %#x\n", \
|
|
cm, cm->cm_flags); \
|
|
panic("command is on another queue"); \
|
|
} \
|
|
TAILQ_INSERT_TAIL(&cm->cm_sc->aac_ ## name, cm, cm_link); \
|
|
cm->cm_flags |= AAC_ON_ ## index; \
|
|
AACQ_ADD(cm->cm_sc, index); \
|
|
splx(s); \
|
|
} \
|
|
static __inline void \
|
|
aac_requeue_ ## name (struct aac_command *cm) \
|
|
{ \
|
|
int s; \
|
|
\
|
|
s = splbio(); \
|
|
if ((cm->cm_flags & AAC_ON_AACQ_MASK) != 0) { \
|
|
printf("command %p is on another queue, flags = %#x\n", \
|
|
cm, cm->cm_flags); \
|
|
panic("command is on another queue"); \
|
|
} \
|
|
TAILQ_INSERT_HEAD(&cm->cm_sc->aac_ ## name, cm, cm_link); \
|
|
cm->cm_flags |= AAC_ON_ ## index; \
|
|
AACQ_ADD(cm->cm_sc, index); \
|
|
splx(s); \
|
|
} \
|
|
static __inline struct aac_command * \
|
|
aac_dequeue_ ## name (struct aac_softc *sc) \
|
|
{ \
|
|
struct aac_command *cm; \
|
|
int s; \
|
|
\
|
|
s = splbio(); \
|
|
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); \
|
|
} \
|
|
splx(s); \
|
|
return(cm); \
|
|
} \
|
|
static __inline void \
|
|
aac_remove_ ## name (struct aac_command *cm) \
|
|
{ \
|
|
int s; \
|
|
\
|
|
s = splbio(); \
|
|
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); \
|
|
splx(s); \
|
|
} \
|
|
struct hack
|
|
|
|
AACQ_COMMAND_QUEUE(free, AACQ_FREE);
|
|
AACQ_COMMAND_QUEUE(ready, AACQ_READY);
|
|
AACQ_COMMAND_QUEUE(busy, AACQ_BUSY);
|
|
AACQ_COMMAND_QUEUE(complete, AACQ_COMPLETE);
|
|
|
|
/*
|
|
* 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)
|
|
{
|
|
int s;
|
|
|
|
s = splbio();
|
|
bioq_insert_tail(&sc->aac_bioq, bp);
|
|
AACQ_ADD(sc, AACQ_BIO);
|
|
splx(s);
|
|
}
|
|
|
|
static __inline struct bio *
|
|
aac_dequeue_bio(struct aac_softc *sc)
|
|
{
|
|
int s;
|
|
struct bio *bp;
|
|
|
|
s = splbio();
|
|
if ((bp = bioq_first(&sc->aac_bioq)) != NULL) {
|
|
bioq_remove(&sc->aac_bioq, bp);
|
|
AACQ_REMOVE(sc, AACQ_BIO);
|
|
}
|
|
splx(s);
|
|
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);
|
|
AAC_QNOTIFY(sc, AAC_DB_PRINTF);
|
|
}
|