FreeBSD/Linux Kernel Cross Reference
sys/dev/ieee1394/sbp2var.h

     /*      $NetBSD: sbp2var.h,v 1.5 2002/12/28 10:54:47 jmc Exp $  */
     
     /*
      * Copyright (c) 2002 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by James Chacon.
      *
     * 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_SBP2VAR_H
    #define _DEV_IEEE1394_SBP2VAR_H
    
    #include <dev/std/ieee1212var.h>
    struct sbp2_orb;
    
    struct sbp2_mapping {
            void *laddr;
            u_int64_t fwaddr;
            u_int32_t size;
            u_int8_t rw;
            struct sbp2_orb *orb;
    };
    
    /* Need a top level map per bus. */
    
    struct sbp2_map {
            unsigned char datamap[SBP_DATA_SIZE / SBP_DATA_BLOCK_SIZE / CHAR_BIT];
            unsigned int next_data;
            
            /*
             * Divide by 4 because this is allocated in quad chunks and divide by
             * 8 to make it a bitmap.
             */
            unsigned char addrmap[SBP_ADDR_SIZE / SBP_ADDR_BLOCK_SIZE / CHAR_BIT];
            unsigned int next_addr;
    
            u_int64_t fifo;
            struct ieee1394_softc *sc_bus; /* fw controller softc */
            int refcnt;
            struct simplelock maplock;
            TAILQ_ENTRY(sbp2_map) map_list;
    };
    
    struct sbp2;
    struct sbp2_lun;
    
    struct sbp2_status {
            u_int8_t resp;
            u_int8_t sbp_status;
            u_int8_t object;
            u_int8_t bus_error;
            u_int32_t *data;
            u_int16_t datalen;
    };
    
    struct sbp2_pagetable {
            struct ieee1394_abuf pt_ent;
            struct ieee1394_abuf pt_resp;
            struct sbp2_mapping pt_map;
    
            u_int16_t pt_cnt;
            struct ieee1394_abuf *pt_data; /* cbarg == data_mapping */
    };
    
    struct sbp2_orb {
            struct sbp2_mapping data_map;
            
            struct ieee1394_abuf cmd;
            struct ieee1394_abuf data;
            struct ieee1394_abuf resp;
   
           struct sbp2_pagetable *pt;
           
           struct sbp2_status status;
           u_int8_t status_rec;
           u_int8_t ack;
           u_int8_t db;
           u_int8_t dback;
   
           int state;
           struct sbp2 *sbp2;
           struct sbp2_lun *lun;
           
           void (*cb)(struct sbp2_status *, void *);
           void *cb_arg;
   
           struct simplelock orb_lock;
           CIRCLEQ_ENTRY(sbp2_orb) orb_list;
   };
   
   struct sbp2_lun {
   
           u_int8_t ordered;
           u_int8_t dev_type;
           u_int16_t lun;
   
           u_int32_t cmd_spec_id;
           u_int32_t cmd_set;
           u_int32_t cmd_set_rev;
   
           u_int16_t loginid;
           u_int16_t reconnect;
           u_int64_t cmdreg;
   
           int login_flag;
           int state;
           
           struct ieee1394_abuf command;
           struct ieee1394_abuf doorbell;
           struct ieee1394_abuf status;
           TAILQ_ENTRY(sbp2_lun) lun_list;
   };
    
   struct sbp2 {
           struct ieee1394_softc *sc; /* node softc */
   
           u_int8_t speed;
           u_int32_t maxpayload;
   
           u_int8_t orb_size;
           u_int8_t orb_timeout;
           
           u_int16_t max_reconnect;
   
           u_int32_t cmd_spec_id;
           u_int32_t cmd_set;
           u_int32_t cmd_set_rev;
           u_int32_t firmware_rev;
   
           u_int64_t uniq_id;
           u_int64_t mgmtreg;
           
           u_int16_t luncnt;
   
           struct sbp2_map *map;
           struct simplelock orblist_lock;
           
           TAILQ_HEAD(, sbp2_lun) luns;
           CIRCLEQ_HEAD(, sbp2_orb) orbs;
   };
   
   struct sbp2_cmd {
           u_int8_t cmd[SBP2_MAX_ORB];
           int cmdlen;
           u_char *data;
           int datalen;
           u_int16_t lun;
           int rw;
           void (*cb)(struct sbp2_status *, void *);
           void *cb_arg;
   };
   
   int sbp2_match(struct p1212_dir *);
   struct sbp2 *sbp2_init(struct ieee1394_softc *, struct p1212_dir *);
   void sbp2_free(struct sbp2 *);
   void *sbp2_runcmd(struct sbp2 *, struct sbp2_cmd *);
   void *sbp2_abort(void *);
   void sbp2_reset_lun(struct sbp2 *, u_int16_t);
   
   #endif /* _DEV_IEEE1394_SBP2VAR_H */

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