diff --git a/sys/dev/ofw/Makefile b/sys/dev/ofw/Makefile index 1b63ee6a27f3..7594f4fb79ee 100644 --- a/sys/dev/ofw/Makefile +++ b/sys/dev/ofw/Makefile @@ -1,7 +1,7 @@ -# $NetBSD: Makefile,v 1.2 1999/05/04 20:08:04 thorpej Exp $ +# $NetBSD: Makefile,v 1.3 2000/11/14 06:45:55 matt Exp $ INCSDIR= /usr/include/dev/ofw -INCS= ofw_pci.h openfirm.h +INCS= ofw_pci.h openfirm.h openfirmio.h .include diff --git a/sys/dev/ofw/files.ofw b/sys/dev/ofw/files.ofw index 2d08882f90ac..b5a2c3eebcc5 100644 --- a/sys/dev/ofw/files.ofw +++ b/sys/dev/ofw/files.ofw @@ -1,4 +1,4 @@ -# $NetBSD: files.ofw,v 1.10 2000/03/24 17:05:34 ws Exp $ +# $NetBSD: files.ofw,v 1.11 2000/11/14 06:45:55 matt Exp $ # # First cut on Openfirmware interface # @@ -6,6 +6,9 @@ define ofbus {} define of_network_dev +defpseudo openfirm +file dev/ofw/openfirmio.c openfirm needs-flag + file dev/ofw/ofw_subr.c ofbus file dev/ofw/ofw_network_subr.c of_network_dev diff --git a/sys/dev/ofw/openfirmio.c b/sys/dev/ofw/openfirmio.c new file mode 100644 index 000000000000..a7d50fab17d5 --- /dev/null +++ b/sys/dev/ofw/openfirmio.c @@ -0,0 +1,262 @@ +/* $NetBSD: openfirmio.c,v 1.1 2000/11/14 06:45:54 matt Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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 REGENTS 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. + * + * @(#)openfirm.c 8.1 (Berkeley) 6/11/93 + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +static int lastnode; /* speed hack */ + +static int openfirmcheckid (int, int); +static int openfirmgetstr (int, char *, char **); + +void openfirmattach (int); + +void +openfirmattach(int num) +{ + /* nothing */ +} + +int +openfirmopen(dev_t dev, int flags, int mode, struct proc *p) +{ + return (0); +} + +int +openfirmclose(dev_t dev, int flags, int mode, struct proc *p) +{ + + return (0); +} + +/* + * Verify target ID is valid (exists in the OPENPROM tree), as + * listed from node ID sid forward. + */ +static int +openfirmcheckid(int sid, int tid) +{ + + for (; sid != 0; sid = OF_peer(sid)) + if (sid == tid || openfirmcheckid(OF_child(sid), tid)) + return (1); + + return (0); +} + +static int +openfirmgetstr(int len, char *user, char **cpp) +{ + int error; + char *cp; + + /* Reject obvious bogus requests */ + if ((u_int)len > (8 * 1024) - 1) + return (ENAMETOOLONG); + + *cpp = cp = malloc(len + 1, M_TEMP, M_WAITOK); + error = copyin(user, cp, len); + cp[len] = '\0'; + return (error); +} + +int +openfirmioctl(dev_t dev, u_long cmd, caddr_t data, int flags, struct proc *p) +{ + struct ofiocdesc *of; + int node, len, ok, error, s; + char *name, *value; + + /* Verify node id */ + of = (struct ofiocdesc *)data; + node = of->of_nodeid; + if (node != 0 && node != lastnode) { + /* Not an easy one, must search for it */ + s = splhigh(); + ok = openfirmcheckid(OF_peer(0), node); + splx(s); + if (!ok) + return (EINVAL); + lastnode = node; + } + + name = value = NULL; + error = 0; + switch (cmd) { + + case OFIOCGET: + if ((flags & FREAD) == 0) + return (EBADF); + if (node == 0) + return (EINVAL); + error = openfirmgetstr(of->of_namelen, of->of_name, &name); + if (error) + break; + s = splhigh(); + len = OF_getproplen(node, name); + splx(s); + if (len > of->of_buflen) { + error = ENOMEM; + break; + } + of->of_buflen = len; + /* -1 means no entry; 0 means no value */ + if (len <= 0) + break; + value = malloc(len, M_TEMP, M_WAITOK); + if (value == NULL) { + error = ENOMEM; + break; + } + s = splhigh(); + len = OF_getprop(node, name, (void *)value, len); + splx(s); + error = copyout(value, of->of_buf, len); + break; + +#if 0 + case OFIOCSET: + if ((flags & FWRITE) == 0) + return (EBADF); + if (node == 0) + return (EINVAL); + error = openfirmgetstr(of->of_namelen, of->of_name, &name); + if (error) + break; + error = openfirmgetstr(of->of_buflen, of->of_buf, &value); + if (error) + break; + s = splhigh(); + len = OF_setprop(node, name, value, of->of_buflen + 1); + splx(s); + if (len != of->of_buflen) + error = EINVAL; + break; +#endif + + case OFIOCNEXTPROP: { + char newname[33]; + if ((flags & FREAD) == 0) + return (EBADF); + if (node == 0) + return (EINVAL); + if (of->of_namelen != 0 || of->of_name != NULL) { + error = openfirmgetstr(of->of_namelen, of->of_name, + &name); + if (error) + break; + } + s = splhigh(); + ok = OF_nextprop(node, name, newname); + splx(s); + if (ok == -1) { + error = EINVAL; + break; + } + len = strlen(newname); + if (len > of->of_buflen) + len = of->of_buflen; + else + of->of_buflen = len; + error = copyout(newname, of->of_buf, len); + break; + } + + case OFIOCGETNEXT: + if ((flags & FREAD) == 0) + return (EBADF); + s = splhigh(); + node = OF_peer(node); + splx(s); + *(int *)data = lastnode = node; + break; + + case OFIOCGETCHILD: + if ((flags & FREAD) == 0) + return (EBADF); + if (node == 0) + return (EINVAL); + s = splhigh(); + node = OF_child(node); + splx(s); + *(int *)data = lastnode = node; + break; + + case OFIOCFINDDEVICE: + if ((flags & FREAD) == 0) + return (EBADF); + error = openfirmgetstr(of->of_namelen, of->of_name, &name); + if (error) + break; + node = OF_finddevice(name); + if (node == 0 || node == -1) { + error = ENOENT; + break; + } + of->of_nodeid = node; + break; + + default: + return (ENOTTY); + } + + if (name) + free(name, M_TEMP); + if (value) + free(value, M_TEMP); + + return (error); +} diff --git a/sys/dev/ofw/openfirmio.h b/sys/dev/ofw/openfirmio.h new file mode 100644 index 000000000000..9204ab203c22 --- /dev/null +++ b/sys/dev/ofw/openfirmio.h @@ -0,0 +1,60 @@ +/* $NetBSD: openfirmio.h,v 1.1 2000/11/14 06:45:54 matt Exp $ */ + +/* + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This software was developed by the Computer Systems Engineering group + * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and + * contributed to Berkeley. + * + * All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Lawrence Berkeley Laboratory. + * + * 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 University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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 REGENTS 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. + * + * @(#)openpromio.h 8.1 (Berkeley) 6/11/93 + */ + +struct ofiocdesc { + int of_nodeid; /* passed or returned node id */ + int of_namelen; /* length of op_name */ + char *of_name; /* pointer to field name */ + int of_buflen; /* length of op_buf (value-result) */ + char *of_buf; /* pointer to field value */ +}; + +#define OFIOCGET _IOWR('O', 1, struct ofiocdesc) /* get openprom field */ +#define OFIOCSET _IOW('O', 2, struct ofiocdesc) /* set openprom field */ +#define OFIOCNEXTPROP _IOWR('O', 3, struct ofiocdesc) /* get next property */ +#define OFIOCGETNEXT _IOWR('O', 5, int) /* get next node of node */ +#define OFIOCGETCHILD _IOWR('O', 6, int) /* get first child of node */ +#define OFIOCFINDDEVICE _IOWR('O', 7, struct ofiocdesc) /* find a specific device */