1 /* $NetBSD: saio.h,v 1.3 2009/01/12 07:00:59 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * This file derived from kernel/mach/sun3.md/machMon.h from the 34 * sprite distribution. 35 * 36 * In particular, this file came out of the Walnut Creek cdrom collection 37 * which contained no warnings about any possible copyright infringement. 38 */ 39 40 /* 41 * machMon.h -- 42 * 43 * Structures, constants and defines for access to the sun monitor. 44 * These were translated from the sun monitor header files: 45 * mon/sunromvec.h 46 * stand/saio.h 47 * 48 * Copyright (C) 1985 Regents of the University of California 49 * All rights reserved. 50 * 51 * Header: /sprite/src/boot/sunprom/sun3.md/RCS/machMon.h,v \ 52 * 1.1 90/09/17 10:57:28 rab Exp Locker: rab $ SPRITE (Berkeley) 53 */ 54 55 /* 56 * The table entry that describes a device. It exists in the PROM; a 57 * pointer to it is passed in MachMonBootParam. It can be used to locate 58 * PROM subroutines for opening, reading, and writing the device. 59 * 60 * When using this interface, only one device can be open at once. 61 */ 62 struct saioreq; 63 struct boottab { 64 char b_dev[2]; /* The name of the device */ 65 int (*b_probe)(void); /* probe() --> -1 or found controller 66 number */ 67 int (*b_boot)(char *); /* boot(bp) --> -1 or start address */ 68 int (*b_open)(struct saioreq *); /* open(iobp) --> -1 or 0 */ 69 int (*b_close)(struct saioreq *); /* close(iobp) --> -1 or 0 */ 70 int (*b_strategy)(struct saioreq *, int); /* strategy(iobp,rw) 71 -->-1 or 0 */ 72 char *b_desc; /* Printable string describing dev */ 73 struct devinfo *b_devinfo; /* Information to configure device */ 74 } __attribute__((packed)); 75 76 /* 77 * This table gives information about the resources needed by a device. 78 */ 79 struct devinfo { 80 unsigned int d_devbytes; /* Bytes occupied by device in IO space. */ 81 unsigned int d_dmabytes; /* Bytes needed by device in DMA memory. */ 82 unsigned int d_localbytes; /* Bytes needed by device for local info. */ 83 unsigned int d_stdcount; /* How many standard addresses. */ 84 unsigned long *d_stdaddrs; /* The vector of standard addresses. */ 85 unsigned int d_devtype; /* What map space device is in. */ 86 unsigned int d_maxiobytes; /* Size to break big I/O's into. */ 87 }; 88 89 /* 90 * These are the "page map entry types" specified in the 91 * d_devtype field of struct devinfo. 92 */ 93 #define MAP_MAINMEM 0 94 #define MAP_OBIO 1 95 #define MAP_MBMEM 2 96 #define MAP_MBIO 3 97 #define MAP_VME16A16D 4 98 #define MAP_VME16A32D 5 99 #define MAP_VME24A16D 6 100 #define MAP_VME24A32D 7 101 #define MAP_VME32A16D 8 102 #define MAP_VME32A32D 9 103 #define MAP__NTYPES 10 104 105 /* 106 * A "stand alone I/O request", (from SunOS saio.h) 107 * This is passed as the main argument to the PROM I/O routines 108 * in the MachMonBootDevice structure. 109 */ 110 struct saioreq { 111 char si_flgs; 112 char si_pad1; 113 struct boottab *si_boottab; /* Points to boottab entry if any */ 114 char *si_devdata; /* Device-specific data pointer */ 115 int si_ctlr; /* Controller number or address */ 116 int si_unit; /* Unit number within controller */ 117 long si_boff; /* Partition number within unit */ 118 long si_cyloff; 119 long si_offset; 120 long si_bn; /* Block number to R/W */ 121 char *si_ma; /* Memory address to R/W */ 122 int si_cc; /* Character count to R/W */ 123 struct saif *si_sif; /* net if. pointer (set by b_open) */ 124 char *si_devaddr; /* Points to mapped in device */ 125 char *si_dmaaddr; /* Points to allocated DMA space */ 126 } __attribute__((packed)); 127 128 #define SAIO_F_READ 0x01 129 #define SAIO_F_WRITE 0x02 130 #define SAIO_F_ALLOC 0x04 131 #define SAIO_F_FILE 0x08 132 #define SAIO_F_EOF 0x10 /* EOF on device */ 133 #define SAIO_F_AJAR 0x20 /* Descriptor "ajar" (stopped but not closed) */ 134 135 /* 136 * Ethernet interface descriptor (from SunOS saio.h) 137 * First, set: saiop->si_devaddr, saiop->si_dmaaddr, etc. 138 * Then: saiop->si_boottab->b_open() will set: 139 * saiop->si_sif; 140 * saiop->si_devdata; 141 * The latter is the first arg to the following functions. 142 * Note that the buffer must be in DVMA space... 143 */ 144 struct saif { 145 /* Transmit packet, returns zero on success. */ 146 int (*sif_xmit)(void *devdata, char *buf, int len); 147 /* Receive packet, return zero if none arrived. */ 148 int (*sif_poll)(void *devdata, char *buf); 149 /* Reset interface, set addresses, etc. */ 150 int (*sif_reset)(void *devdata, struct saioreq *sip); 151 /* 152 * Later proms have more stuff here, but what versions? 153 * It appears that all V3.X PROMs support this... 154 */ 155 /* Copy our ethernet address to the passed array. */ 156 int (*sif_macaddr)(u_char *ea); 157 }; 158 159 #ifdef _STANDALONE 160 /* libsa:promdev.c */ 161 int prom_iopen (struct saioreq *sip); 162 void prom_iclose(struct saioreq *sip); 163 #endif /* _STANDALONE */ 164
Indexes created Sat Sep 20 22:09:52 GMT 2025