304 lines
8.4 KiB
C
304 lines
8.4 KiB
C
/*
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* Copyright (c) 2003 Hidetoshi Shimokawa
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* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the acknowledgement as bellow:
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*
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* This product includes software developed by K. Kobayashi and H. Shimokawa
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*
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* 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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* $FreeBSD$
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*
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*/
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#if __FreeBSD_version >= 500000
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typedef struct thread fw_proc;
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#include <sys/selinfo.h>
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#else
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typedef struct proc fw_proc;
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#include <sys/select.h>
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#endif
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#include <sys/uio.h>
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#define splfw splimp
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struct fw_device{
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u_int16_t dst;
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struct fw_eui64 eui;
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u_int8_t speed;
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u_int8_t maxrec;
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u_int8_t nport;
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u_int8_t power;
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#define CSRROMOFF 0x400
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#define CSRROMSIZE 0x400
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int rommax; /* offset from 0xffff f000 0000 */
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u_int32_t csrrom[CSRROMSIZE/4];
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int rcnt;
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struct firewire_comm *fc;
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u_int32_t status;
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#define FWDEVINIT 1
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#define FWDEVATTACHED 2
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#define FWDEVINVAL 3
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STAILQ_ENTRY(fw_device) link;
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};
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struct firewire_softc {
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#if __FreeBSD_version >= 500000
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dev_t dev;
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#else
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dev_t dev[FWMAXNDMA+1];
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#endif
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struct firewire_comm *fc;
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};
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#define FW_MAX_DMACH 0x20
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#define FW_MAX_DEVCH FW_MAX_DMACH
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#define FW_XFERTIMEOUT 1
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struct firewire_dev_comm {
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device_t dev;
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struct firewire_comm *fc;
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void (*post_busreset) __P((void *));
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void (*post_explore) __P((void *));
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};
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struct tcode_info {
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u_char hdr_len; /* IEEE1394 header length */
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u_char flag;
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#define FWTI_REQ (1 << 0)
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#define FWTI_RES (1 << 1)
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#define FWTI_TLABEL (1 << 2)
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#define FWTI_BLOCK_STR (1 << 3)
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#define FWTI_BLOCK_ASY (1 << 4)
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};
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struct firewire_comm{
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device_t dev;
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device_t bdev;
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u_int16_t busid:10,
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nodeid:6;
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u_int mode;
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u_int nport;
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u_int speed;
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u_int maxrec;
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u_int irm;
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u_int max_node;
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u_int max_hop;
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u_int max_asyretry;
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#define FWPHYASYST (1 << 0)
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u_int retry_count;
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u_int32_t ongobus:10,
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ongonode:6,
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ongoaddr:16;
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struct fw_device *ongodev;
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struct fw_eui64 ongoeui;
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#define FWMAXCSRDIR 16
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SLIST_HEAD(, csrdir) ongocsr;
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SLIST_HEAD(, csrdir) csrfree;
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u_int32_t status;
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#define FWBUSRESET 0
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#define FWBUSINIT 1
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#define FWBUSCYMELECT 2
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#define FWBUSMGRELECT 3
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#define FWBUSMGRDONE 4
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#define FWBUSEXPLORE 5
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#define FWBUSPHYCONF 6
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#define FWBUSEXPDONE 7
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#define FWBUSCOMPLETION 10
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int nisodma;
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struct fw_eui64 eui;
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struct fw_xferq
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*arq, *atq, *ars, *ats, *it[FW_MAX_DMACH],*ir[FW_MAX_DMACH];
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STAILQ_HEAD(, tlabel) tlabels[0x40];
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STAILQ_HEAD(, fw_bind) binds;
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STAILQ_HEAD(, fw_device) devices;
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STAILQ_HEAD(, fw_xfer) pending;
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u_int sid_cnt;
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#define CSRSIZE 0x4000
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u_int32_t csr_arc[CSRSIZE/4];
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#define CROMSIZE 0x400
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u_int32_t *config_rom;
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struct fw_topology_map *topology_map;
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struct fw_speed_map *speed_map;
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struct callout busprobe_callout;
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struct callout bmr_callout;
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struct callout timeout_callout;
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struct callout retry_probe_callout;
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u_int32_t (*cyctimer) __P((struct firewire_comm *));
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void (*ibr) __P((struct firewire_comm *));
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u_int32_t (*set_bmr) __P((struct firewire_comm *, u_int32_t));
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int (*ioctl) __P((dev_t, u_long, caddr_t, int, fw_proc *));
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int (*irx_enable) __P((struct firewire_comm *, int));
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int (*irx_disable) __P((struct firewire_comm *, int));
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int (*itx_enable) __P((struct firewire_comm *, int));
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int (*itx_disable) __P((struct firewire_comm *, int));
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void (*timeout) __P((void *));
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void (*poll) __P((struct firewire_comm *, int, int));
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void (*set_intr) __P((struct firewire_comm *, int));
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void (*irx_post) __P((struct firewire_comm *, u_int32_t *));
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void (*itx_post) __P((struct firewire_comm *, u_int32_t *));
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struct tcode_info *tcode;
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bus_dma_tag_t dmat;
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};
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#define CSRARC(sc, offset) ((sc)->csr_arc[(offset)/4])
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struct csrdir{
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u_int32_t ongoaddr;
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u_int32_t off;
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SLIST_ENTRY(csrdir) link;
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};
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struct fw_xferq {
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int flag;
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#define FWXFERQ_CHTAGMASK 0xff
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#define FWXFERQ_RUNNING (1 << 8)
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#define FWXFERQ_STREAM (1 << 9)
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#define FWXFERQ_BULK (1 << 11)
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#define FWXFERQ_MODEMASK (7 << 10)
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#define FWXFERQ_EXTBUF (1 << 13)
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#define FWXFERQ_OPEN (1 << 14)
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#define FWXFERQ_HANDLER (1 << 16)
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#define FWXFERQ_WAKEUP (1 << 17)
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void (*start) __P((struct firewire_comm*));
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STAILQ_HEAD(, fw_xfer) q;
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u_int queued;
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u_int maxq;
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u_int psize;
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STAILQ_HEAD(, fw_bind) binds;
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struct fwdma_alloc_multi *buf;
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u_int bnchunk;
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u_int bnpacket;
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struct fw_bulkxfer *bulkxfer;
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STAILQ_HEAD(, fw_bulkxfer) stvalid;
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STAILQ_HEAD(, fw_bulkxfer) stfree;
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STAILQ_HEAD(, fw_bulkxfer) stdma;
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struct fw_bulkxfer *stproc;
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struct selinfo rsel;
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caddr_t sc;
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void (*hand) __P((struct fw_xferq *));
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};
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struct fw_bulkxfer{
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int poffset;
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struct mbuf *mbuf;
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STAILQ_ENTRY(fw_bulkxfer) link;
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caddr_t start;
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caddr_t end;
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int resp;
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};
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struct tlabel{
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struct fw_xfer *xfer;
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STAILQ_ENTRY(tlabel) link;
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};
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struct fw_bind{
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u_int32_t start_hi, start_lo, addrlen;
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STAILQ_HEAD(, fw_xfer) xferlist;
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STAILQ_ENTRY(fw_bind) fclist;
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STAILQ_ENTRY(fw_bind) chlist;
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#define FWACT_NULL 0
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#define FWACT_XFER 2
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#define FWACT_CH 3
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u_int8_t act_type;
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u_int8_t sub;
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};
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struct fw_xfer{
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caddr_t sc;
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struct firewire_comm *fc;
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struct fw_xferq *q;
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struct timeval tv;
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/* XXX should be removed */
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u_int32_t dst; /* XXX for if_fwe */
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u_int8_t spd;
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int8_t resp;
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#define FWXF_INIT 0
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#define FWXF_INQ 1
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#define FWXF_START 2
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#define FWXF_SENT 3
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#define FWXF_SENTERR 4
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#define FWXF_BUSY 8
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#define FWXF_RCVD 10
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u_int8_t state;
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u_int8_t retry;
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u_int8_t tl;
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void (*retry_req) __P((struct fw_xfer *));
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union{
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void (*hand) __P((struct fw_xfer *));
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} act;
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struct {
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int len;
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caddr_t buf;
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} send, recv;
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struct mbuf *mbuf;
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STAILQ_ENTRY(fw_xfer) link;
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struct malloc_type *malloc;
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};
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void fw_sidrcv __P((struct firewire_comm *, u_int32_t *, u_int));
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void fw_rcv __P((struct firewire_comm *, struct iovec *, int, u_int, u_int));
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void fw_xfer_unload __P(( struct fw_xfer*));
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void fw_xfer_free __P(( struct fw_xfer*));
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struct fw_xfer *fw_xfer_alloc __P((struct malloc_type *));
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struct fw_xfer *fw_xfer_alloc_buf __P((struct malloc_type *, int, int));
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void fw_init __P((struct firewire_comm *));
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int fw_tbuf_update __P((struct firewire_comm *, int, int));
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int fw_rbuf_update __P((struct firewire_comm *, int, int));
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void fw_asybusy __P((struct fw_xfer *));
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int fw_bindadd __P((struct firewire_comm *, struct fw_bind *));
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int fw_bindremove __P((struct firewire_comm *, struct fw_bind *));
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int fw_asyreq __P((struct firewire_comm *, int, struct fw_xfer*));
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void fw_busreset __P((struct firewire_comm *));
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u_int16_t fw_crc16 __P((u_int32_t *, u_int32_t));
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void fw_xfer_timeout __P((void *));
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void fw_xfer_done __P((struct fw_xfer *));
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void fw_asy_callback __P((struct fw_xfer *));
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struct fw_device *fw_noderesolve_nodeid __P((struct firewire_comm *, int));
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struct fw_device *fw_noderesolve_eui64 __P((struct firewire_comm *, struct fw_eui64 *));
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struct fw_bind *fw_bindlookup __P((struct firewire_comm *, u_int32_t, u_int32_t));
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void fw_drain_txq __P((struct firewire_comm *));
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extern int firewire_debug;
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extern devclass_t firewire_devclass;
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#define FWPRI ((PZERO+8)|PCATCH)
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#if __FreeBSD_version >= 500000
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#define CALLOUT_INIT(x) callout_init(x, 0 /* mpsafe */)
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#else
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#define CALLOUT_INIT(x) callout_init(x)
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#endif
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MALLOC_DECLARE(M_FW);
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MALLOC_DECLARE(M_FWXFER);
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