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Annotation of sys/dev/ic/uhavar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: uhavar.h,v 1.2 2002/03/14 01:26:55 millert Exp $      */
                      2: /*     $NetBSD: uhavar.h,v 1.3 1996/10/21 22:34:43 thorpej Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1994, 1996 Charles M. Hannum.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by Charles M. Hannum.
                     18:  * 4. The name of the author may not be used to endorse or promote products
                     19:  *    derived from this software without specific prior written permission.
                     20:  *
                     21:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     22:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     23:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     24:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     25:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     26:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     27:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     28:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     29:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     30:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     31:  */
                     32:
                     33: #define UHA_MSCP_MAX   32      /* store up to 32 MSCPs at one time */
                     34: #define        MSCP_HASH_SIZE  32      /* hash table size for phystokv */
                     35: #define        MSCP_HASH_SHIFT 9
                     36: #define MSCP_HASH(x)   ((((long)(x))>>MSCP_HASH_SHIFT) & (MSCP_HASH_SIZE - 1))
                     37:
                     38: struct uha_softc {
                     39:        struct device sc_dev;
                     40:
                     41:        bus_space_tag_t sc_iot;
                     42:        bus_space_handle_t sc_ioh;
                     43:
                     44:        int sc_irq, sc_drq;
                     45:        void *sc_ih;
                     46:
                     47:        void (*start_mbox)(struct uha_softc *, struct uha_mscp *);
                     48:        int (*poll)(struct uha_softc *, struct scsi_xfer *, int);
                     49:        void (*init)(struct uha_softc *);
                     50:
                     51:        struct uha_mscp *sc_mscphash[MSCP_HASH_SIZE];
                     52:        TAILQ_HEAD(, uha_mscp) sc_free_mscp;
                     53:        int sc_nummscps;
                     54:        int sc_scsi_dev;                /* our scsi id */
                     55:        struct scsi_link sc_link;
                     56: };
                     57:
                     58: void   uha_attach(struct uha_softc *);
                     59: void   uha_timeout(void *arg);
                     60: struct uha_mscp *uha_mscp_phys_kv(struct uha_softc *, u_long);
                     61: void   uha_done(struct uha_softc *, struct uha_mscp *);