1 /* $OpenBSD: adv.h,v 1.5 2002/03/14 01:26:53 millert Exp $ */
2 /* $NetBSD: adv.h,v 1.3 1998/09/26 16:02:56 dante Exp $ */
3
4 /*
5 * Generic driver definitions and exported functions for the Advanced
6 * Systems Inc. Narrow SCSI controllers
7 *
8 * Copyright (c) 1998 The NetBSD Foundation, Inc.
9 * All rights reserved.
10 *
11 * Author: Baldassare Dante Profeta <dante@mclink.it>
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the NetBSD
24 * Foundation, Inc. and its contributors.
25 * 4. Neither the name of The NetBSD Foundation nor the names of its
26 * contributors may be used to endorse or promote products derived
27 * from this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
40 */
41
42 #ifndef _ADVANSYS_NARROW_H_
43 #define _ADVANSYS_NARROW_H_
44
45 #include <dev/ic/advlib.h>
46
47 /******************************************************************************/
48
49 struct adv_ccb
50 {
51 ASC_SG_HEAD sghead;
52 ASC_SCSI_Q scsiq;
53
54 struct scsi_sense_data scsi_sense;
55
56 TAILQ_ENTRY(adv_ccb) chain;
57 struct scsi_xfer *xs; /* the scsi_xfer for this cmd */
58 int flags; /* see below */
59
60 int timeout;
61 /*
62 * This DMA map maps the buffer involved in the transfer.
63 */
64 bus_dmamap_t dmamap_xfer;
65 };
66
67 typedef struct adv_ccb ADV_CCB;
68
69 /* flags for ADV_CCB */
70 #define CCB_ALLOC 0x01
71 #define CCB_ABORT 0x02
72 #define CCB_WATCHDOG 0x10
73
74
75 #define ADV_MAX_CCB 32
76
77 struct adv_control
78 {
79 ADV_CCB ccbs[ADV_MAX_CCB]; /* all our control blocks */
80 };
81
82 /*
83 * Offset of a CCB from the beginning of the control DMA mapping.
84 */
85 #define ADV_CCB_OFF(c) (offsetof(struct adv_control, ccbs[0]) + \
86 (((u_long)(c)) - ((u_long)&sc->sc_control->ccbs[0])))
87
88 /******************************************************************************/
89
90 int adv_init(ASC_SOFTC *sc);
91 void adv_attach(ASC_SOFTC *sc);
92 int adv_intr(void *arg);
93
94 /******************************************************************************/
95
96 #endif /* _ADVANSYS_NARROW_H_ */