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 *);
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