1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* $NetBSD: saio.h,v 1.3 1996/11/20 18:57:19 gwr Exp $ */
/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Gordon W. Ross.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This file derived from kernel/mach/sun3.md/machMon.h from the
* sprite distribution.
*
* In particular, this file came out of the Walnut Creek cdrom collection
* which contained no warnings about any possible copyright infringement.
*/
/*
* machMon.h --
*
* Structures, constants and defines for access to the sun monitor.
* These were translated from the sun monitor header files:
* mon/sunromvec.h
* stand/saio.h
*
* Copyright (C) 1985 Regents of the University of California
* All rights reserved.
*
* Header: /sprite/src/boot/sunprom/sun3.md/RCS/machMon.h,v \
* 1.1 90/09/17 10:57:28 rab Exp Locker: rab $ SPRITE (Berkeley)
*/
/*
* The table entry that describes a device. It exists in the PROM; a
* pointer to it is passed in MachMonBootParam. It can be used to locate
* PROM subroutines for opening, reading, and writing the device.
*
* When using this interface, only one device can be open at once.
*/
typedef struct boottab {
char b_dev[2]; /* The name of the device */
int (*b_probe)(); /* probe() --> -1 or found controller
number */
int (*b_boot)(); /* boot(bp) --> -1 or start address */
int (*b_open)(); /* open(iobp) --> -1 or 0 */
int (*b_close)(); /* close(iobp) --> -1 or 0 */
int (*b_strategy)(); /* strategy(iobp,rw) --> -1 or 0 */
char *b_desc; /* Printable string describing dev */
struct devinfo *b_devinfo; /* Information to configure device */
} MachMonBootDevice;
enum MAPTYPES { /* Page map entry types. */
MAP_MAINMEM,
MAP_OBIO,
MAP_MBMEM,
MAP_MBIO,
MAP_VME16A16D,
MAP_VME16A32D,
MAP_VME24A16D,
MAP_VME24A32D,
MAP_VME32A16D,
MAP_VME32A32D
};
/*
* This table gives information about the resources needed by a device.
*/
typedef struct devinfo {
unsigned int d_devbytes; /* Bytes occupied by device in IO space. */
unsigned int d_dmabytes; /* Bytes needed by device in DMA memory. */
unsigned int d_localbytes; /* Bytes needed by device for local info. */
unsigned int d_stdcount; /* How many standard addresses. */
unsigned long *d_stdaddrs; /* The vector of standard addresses. */
enum MAPTYPES d_devtype; /* What map space device is in. */
unsigned int d_maxiobytes; /* Size to break big I/O's into. */
} MachMonDevInfo;
/*
* A "stand alone I/O request", (from SunOS saio.h)
* This is passed as the main argument to the PROM I/O routines
* in the MachMonBootDevice structure.
*/
typedef struct saioreq {
char si_flgs;
struct boottab *si_boottab; /* Points to boottab entry if any */
char *si_devdata; /* Device-specific data pointer */
int si_ctlr; /* Controller number or address */
int si_unit; /* Unit number within controller */
long si_boff; /* Partition number within unit */
long si_cyloff;
long si_offset;
long si_bn; /* Block number to R/W */
char *si_ma; /* Memory address to R/W */
int si_cc; /* Character count to R/W */
struct saif *si_sif; /* net if. pointer (set by b_open) */
char *si_devaddr; /* Points to mapped in device */
char *si_dmaaddr; /* Points to allocated DMA space */
} MachMonIORequest;
#define SAIO_F_READ 0x01
#define SAIO_F_WRITE 0x02
#define SAIO_F_ALLOC 0x04
#define SAIO_F_FILE 0x08
#define SAIO_F_EOF 0x10 /* EOF on device */
#define SAIO_F_AJAR 0x20 /* Descriptor "ajar" (stopped but not closed) */
/*
* Ethernet interface descriptor (from SunOS saio.h)
* First, set: saiop->si_devaddr, saiop->si_dmaaddr, etc.
* Then: saiop->si_boottab->b_open() will set:
* saiop->si_sif;
* saiop->si_devdata;
* The latter is the first arg to the following functions.
* Note that the buffer must be in DVMA space...
*/
struct saif {
/* transmit packet, returns zero on success. */
int (*sif_xmit)(void *devdata, char *buf, int len);
/* wait for packet, zero if none arrived */
int (*sif_poll)(void *devdata, char *buf);
/* reset interface, set addresses, etc. */
int (*sif_reset)(void *devdata, struct saioreq *sip);
/* Later (sun4 only) proms have more stuff here. */
};
|
