FreeBSD/Linux Kernel Cross Reference
sys/dev/ieee1394/ieee1394var.h

     /*      $NetBSD: ieee1394var.h,v 1.20 2003/06/29 22:30:17 fvdl Exp $    */
     
     /*-
      * Copyright (c) 2000 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by 
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #ifndef _DEV_IEEE1394_IEEE1394VAR_H_
    #define _DEV_IEEE1394_IEEE1394VAR_H_
    
    struct ieee1394_softc;
    struct ieee1394_node;
    
    struct fwiso_header;            /* XXX */
    struct selinfo;                 /* XXX */
    
    /* for isochronous receive */
    typedef void *ieee1394_ir_tag_t;
    
    /* for isochronous transmit */
    typedef void *ieee1394_it_tag_t;
    struct ieee1394_it_datalist;
    
    /* These buffers have no reference counting.  It is assumed that 
     * the upper level buffer (struct buf or struct mbuf) will have the
     * requisite reference counting.
     */
    struct ieee1394_abuf {
            struct ieee1394_softc *ab_req;          /* requestee */
            u_int32_t *ab_data;
            struct uio *ab_uio;
            u_int64_t ab_addr;
            u_int64_t ab_retaddr;
            u_int8_t ab_tcode;
            u_int8_t ab_tlabel;
            u_int32_t ab_length; 
            u_int32_t ab_retlen;                    /* length returned from read. */
            u_int32_t ab_retries;
            u_int8_t ab_subok;
            
            void (*ab_cb)(struct ieee1394_abuf *, int);
            void *ab_cbarg;
    };
    
    struct ieee1394_callbacks {
            void (*sc1394_reset)(struct ieee1394_softc *, void *);
            void *sc1394_resetarg;
            int (*sc1394_read)(struct ieee1394_abuf *);
            int (*sc1394_write)(struct ieee1394_abuf *);
            int (*sc1394_inreg)(struct ieee1394_abuf *, int);
            int (*sc1394_unreg)(struct ieee1394_abuf *, int);
    };
    
    struct ieee1394_attach_args {
            char name[7]; 
            u_int8_t uid[8];
            u_int16_t nodeid;
    };    
    
    struct ieee1394_softc {
            struct device sc1394_dev;
            struct device *sc1394_if; /* Move to fwohci level. */
            struct device *sc1394_iso; /* Move to fwohci level. */
            void *sc1394_isoarg;    /* XXX */
            
            struct ieee1394_callbacks sc1394_callback; /* Nuke probably. */
            u_int32_t *sc1394_configrom;
            u_int32_t sc1394_configrom_len;  /* quadlets. */
           u_int32_t sc1394_max_receive;
           u_int8_t sc1394_guid[8];
           u_int8_t sc1394_link_speed;     /* IEEE1394_SPD_* */
           u_int16_t sc1394_node_id;       /* my node id in network order */
           
           int (*sc1394_ifoutput)(struct device *, struct mbuf *,
               void (*)(struct device *, struct mbuf *)); /* Nuke. */
           int (*sc1394_ifinreg)(struct device *, u_int32_t, u_int32_t,
               void (*)(struct device *, struct mbuf *)); /* Nuke */
           int (*sc1394_ifsetiso)(struct device *, u_int32_t, u_int32_t, u_int32_t,
               void (*)(struct device *, struct mbuf *)); /* Nuke */
   
           /* for isochronous receive */
           ieee1394_ir_tag_t (*sc1394_ir_open)(struct device *, int, int,
               int, int, int);
           int (*sc1394_ir_close)(struct device *, ieee1394_ir_tag_t);
           int (*sc1394_ir_read)(struct device *, ieee1394_ir_tag_t,
               struct uio *, int, int);
           int (*sc1394_ir_wait)(struct device *, ieee1394_ir_tag_t,
               void *, char *);
           int (*sc1394_ir_select)(struct device *, ieee1394_ir_tag_t,
               struct proc *);
   
           /* for isochronous transmission */
           ieee1394_it_tag_t (*sc1394_it_open)(struct device *, int, int, int);
           int (*sc1394_it_writedata)(struct device *, int, int,
               struct ieee1394_it_datalist *, int);
           int (*sc1394_it_close)(struct device *, ieee1394_it_tag_t);
           
           LIST_ENTRY(ieee1394_softc) sc1394_node;
   };
   
   struct ieee1394_node {
           struct device node_dev;
           
           struct ieee1394_softc *node_sc; /* owning bus */
           u_int32_t *node_configrom;
           size_t node_configrom_len;
   };
   
   int ieee1394_init __P((struct ieee1394_softc *));
   
   
   struct ieee1394_it_func_t {
           int (*ieee1394_it_writedata)(ieee1394_it_tag_t, int,
               struct ieee1394_it_datalist *);
   };
   
   
   union ieee1394_it_data {
           u_int32_t id_data[2];
           u_int8_t *id_addr;
   };
   
   #define IEEE1394_IT_CMD_NUM     4
   
   struct ieee1394_it_datalist {
           u_int16_t it_cmd[IEEE1394_IT_CMD_NUM];
           union ieee1394_it_data it_u[IEEE1394_IT_CMD_NUM];
   };
   
   #define IEEE1394_IT_CMD_MASK    0xf000
   #define IEEE1394_IT_CMD_NOP     0x0000
   #define IEEE1394_IT_CMD_IMMED   0x1000
   #define IEEE1394_IT_CMD_PTR     0x2000
   #define IEEE1394_IT_CMD_SIZE    0x0fff
   
   
   #define IEEE1394_ARGTYPE_PTR    0
   #define IEEE1394_ARGTYPE_MBUF   1
   
   /*
    * some definitions for 2nd, 3rd and 4th arguments of
    * sc1394_devsetiso().
    */
   #define IEEE1394_ISO_CHANNEL_ANY        64
   #define IEEE1394_ISO_CHANNEL_MASK       0x3f
   #define IEEE1394_ISO_TAG0               0x01
   #define IEEE1394_ISO_TAG1               0x02
   #define IEEE1394_ISO_TAG2               0x04
   #define IEEE1394_ISO_TAG3               0x08
   #define IEEE1394_ISO_DIR_READ           0
   #define IEEE1394_ISO_DIR_WRITE          1
   
   #define IEEE1394_IR_NEEDHEADER          0x01
   #define IEEE1394_IR_TRIGGER_CIP_SYNC    0x02
   #define IEEE1394_IR_SHORTDELAY          0x04
   
   #endif  /* _DEV_IEEE1394_IEEE1394VAR_H_ */

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