/* $NetBSD: saio.h,v 1.3 2009/01/12 07:00:59 tsutsui 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. * * 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 FOUNDATION 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. */ struct saioreq; struct boottab { char b_dev[2]; /* The name of the device */ int (*b_probe)(void); /* probe() --> -1 or found controller number */ int (*b_boot)(char *); /* boot(bp) --> -1 or start address */ int (*b_open)(struct saioreq *); /* open(iobp) --> -1 or 0 */ int (*b_close)(struct saioreq *); /* close(iobp) --> -1 or 0 */ int (*b_strategy)(struct saioreq *, int); /* strategy(iobp,rw) -->-1 or 0 */ char *b_desc; /* Printable string describing dev */ struct devinfo *b_devinfo; /* Information to configure device */ } __attribute__((packed)); /* * This table gives information about the resources needed by a device. */ 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. */ unsigned int d_devtype; /* What map space device is in. */ unsigned int d_maxiobytes; /* Size to break big I/O's into. */ }; /* * These are the "page map entry types" specified in the * d_devtype field of struct devinfo. */ #define MAP_MAINMEM 0 #define MAP_OBIO 1 #define MAP_MBMEM 2 #define MAP_MBIO 3 #define MAP_VME16A16D 4 #define MAP_VME16A32D 5 #define MAP_VME24A16D 6 #define MAP_VME24A32D 7 #define MAP_VME32A16D 8 #define MAP_VME32A32D 9 #define MAP__NTYPES 10 /* * 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. */ struct saioreq { char si_flgs; char si_pad1; 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 */ } __attribute__((packed)); #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); /* Receive packet, return 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 proms have more stuff here, but what versions? * It appears that all V3.X PROMs support this... */ /* Copy our ethernet address to the passed array. */ int (*sif_macaddr)(u_char *ea); }; #ifdef _STANDALONE /* libsa:promdev.c */ int prom_iopen (struct saioreq *sip); void prom_iclose(struct saioreq *sip); #endif /* _STANDALONE */
