1 /* $OpenBSD: uhavar.h,v 1.5 2020/07/22 13:16:04 krw 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 SLIST_HEAD(, uha_mscp) sc_free_mscp; 53 54 struct mutex sc_mscp_mtx; 55 struct scsi_iopool sc_iopool; 56 57 int sc_nummscps; 58 int sc_scsi_dev; /* our scsi id */ 59 }; 60 61 void uha_attach(struct uha_softc *); 62 void uha_timeout(void *arg); 63 struct uha_mscp *uha_mscp_phys_kv(struct uha_softc *, u_long); 64 void uha_done(struct uha_softc *, struct uha_mscp *); 65