1 /* $NetBSD: uhavar.h,v 1.5 1997/06/06 23:31:07 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1996, 1997 Charles M. Hannum. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Charles M. Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #define UHA_MSCP_MAX 32 /* store up to 32 MSCPs at one time */ 33 #define MSCP_HASH_SIZE 32 /* hash table size for phystokv */ 34 #define MSCP_HASH_SHIFT 9 35 #define MSCP_HASH(x) ((((long)(x))>>MSCP_HASH_SHIFT) & (MSCP_HASH_SIZE - 1)) 36 37 struct uha_softc { 38 struct device sc_dev; 39 40 bus_space_tag_t sc_iot; 41 bus_space_handle_t sc_ioh; 42 bus_dma_tag_t sc_dmat; 43 void *sc_ih; 44 45 int sc_dmaflags; /* bus-specific DMA map creation flags */ 46 47 void (*start_mbox) __P((struct uha_softc *, struct uha_mscp *)); 48 int (*poll) __P((struct uha_softc *, struct scsi_xfer *, int)); 49 void (*init) __P((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 struct scsi_link sc_link; 55 }; 56 57 struct uha_probe_data { 58 int sc_irq, sc_drq; 59 int sc_scsi_dev; 60 }; 61 62 void uha_attach __P((struct uha_softc *, struct uha_probe_data *)); 63 void uha_timeout __P((void *arg)); 64 struct uha_mscp *uha_mscp_phys_kv __P((struct uha_softc *, u_long)); 65 void uha_done __P((struct uha_softc *, struct uha_mscp *)); 66