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Diffstat (limited to 'usr.sbin/config.new/config.h')
| -rw-r--r-- | usr.sbin/config.new/config.h | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/usr.sbin/config.new/config.h b/usr.sbin/config.new/config.h new file mode 100644 index 0000000..dde683d --- /dev/null +++ b/usr.sbin/config.new/config.h @@ -0,0 +1,281 @@ +/* + * 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 Laboratories. + * + * 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. + * + * @(#)config.h 8.1 (Berkeley) 6/6/93 + */ + +/* + * Name/value lists. Values can be strings or pointers and/or can carry + * integers. The names can be NULL, resulting in simple value lists. + */ +struct nvlist { + struct nvlist *nv_next; + const char *nv_name; + union { + const char *un_str; + void *un_ptr; + } nv_un; +#define nv_str nv_un.un_str +#define nv_ptr nv_un.un_ptr + int nv_int; +}; + +/* + * Kernel configurations. + */ +struct config { + struct config *cf_next; /* linked list */ + const char *cf_name; /* "vmunix" */ + int cf_lineno; /* source line */ + struct nvlist *cf_root; /* "root on ra0a" */ + struct nvlist *cf_swap; /* "swap on ra0b and ra1b" */ + struct nvlist *cf_dump; /* "dumps on ra0b" */ +}; + +/* + * Attributes. These come in two flavors: "plain" and "interface". + * Plain attributes (e.g., "ether") simply serve to pull in files. + * Interface attributes (e.g., "scsi") carry three lists: locators, + * child devices, and references. The locators are those things + * that must be specified in order to configure a device instance + * using this attribute (e.g., "tg0 at scsi0"). The a_devs field + * lists child devices that can connect here (e.g., "tg"s), while + * the a_refs are parents that carry the attribute (e.g., actual + * SCSI host adapter drivers such as the SPARC "esp"). + */ +struct attr { + const char *a_name; /* name of this attribute */ + int a_iattr; /* true => allows children */ + struct nvlist *a_locs; /* locators required */ + int a_loclen; /* length of above list */ + struct nvlist *a_devs; /* children */ + struct nvlist *a_refs; /* parents */ +}; + +/* + * The "base" part of a device ("uba", "sd"; but not "uba2" or + * "sd0"). It may be found "at" one or more attributes, including + * "at root" (this is represented by a NULL attribute). + * + * Each device may also export attributes. If any provide an output + * interface (e.g., "esp" provides "scsi"), other devices (e.g., + * "tg"s) can be found at instances of this one (e.g., "esp"s). + * Such a connection must provide locators as specified by that + * interface attribute (e.g., "target"). + * + * Each base carries a list of instances (via d_ihead). Note that this + * list "skips over" aliases; those must be found through the instances + * themselves. + */ +struct devbase { + const char *d_name; /* e.g., "sd" */ + struct devbase *d_next; /* linked list */ + int d_isdef; /* set once properly defined */ + int d_ispseudo; /* is a pseudo-device */ + int d_major; /* used for "root on sd0", e.g. */ + struct nvlist *d_atlist; /* e.g., "at tg" (attr list) */ + struct nvlist *d_vectors; /* interrupt vectors, if any */ + struct nvlist *d_attrs; /* attributes, if any */ + struct devi *d_ihead; /* first instance, if any */ + struct devi **d_ipp; /* used for tacking on more instances */ + int d_umax; /* highest unit number + 1 */ +}; + +/* + * An "instance" of a device. The same instance may be listed more + * than once, e.g., "xx0 at isa? port FOO" + "xx0 at isa? port BAR". + * + * After everything has been read in and verified, the devi's are + * "packed" to collect all the information needed to generate ioconf.c. + * In particular, we try to collapse multiple aliases into a single entry. + * We then assign each "primary" (non-collapsed) instance a cfdata index. + * Note that there may still be aliases among these. + */ +struct devi { + /* created while parsing config file */ + const char *i_name; /* e.g., "sd0" */ + int i_unit; /* unit from name, e.g., 0 */ + struct devbase *i_base;/* e.g., pointer to "sd" base */ + struct devi *i_next; /* list of all instances */ + struct devi *i_bsame; /* list on same base */ + struct devi *i_alias; /* other aliases of this instance */ + const char *i_at; /* where this is "at" (NULL if at root) */ + struct attr *i_atattr; /* attr that allowed attach */ + struct devbase *i_atdev;/* dev if "at <devname><unit>", else NULL */ + const char **i_locs; /* locators (as given by i_atattr) */ + int i_atunit; /* unit from "at" */ + int i_cfflags; /* flags from config line */ + int i_lineno; /* line # in config, for later errors */ + + /* created during packing or ioconf.c generation */ +/* i_loclen via i_atattr->a_loclen */ + short i_collapsed; /* set => this alias no longer needed */ + short i_cfindex; /* our index in cfdata */ + short i_pvlen; /* number of parents */ + short i_pvoff; /* offset in parents.vec */ + short i_locoff; /* offset in locators.vec */ + short i_ivoff; /* offset in interrupt vectors, if any */ + struct devi **i_parents;/* the parents themselves */ + +}; +/* special units */ +#define STAR (-1) /* unit number for, e.g., "sd*" */ +#define WILD (-2) /* unit number for, e.g., "sd?" */ + +/* + * Files. Each file is either standard (always included) or optional, + * depending on whether it has names on which to *be* optional. + */ +struct files { + struct files *fi_next; /* linked list */ + const char *fi_srcfile; /* the name of the "files" file that got us */ + u_short fi_srcline; /* and the line number */ + u_char fi_flags; /* as below */ + char fi_lastc; /* last char from path */ + const char *fi_path; /* full file path */ + const char *fi_tail; /* name, i.e., rindex(fi_path, '/') + 1 */ + const char *fi_base; /* tail minus ".c" (or whatever) */ + struct nvlist *fi_opt; /* optional on ... */ + const char *fi_mkrule; /* special make rule, if any */ +}; + +/* flags */ +#define FI_SEL 0x01 /* selected */ +#define FI_CONFIGDEP 0x02 /* config-dependent */ +#define FI_DRIVER 0x04 /* device-driver */ +#define FI_NEEDSCOUNT 0x08 /* needs-count */ +#define FI_NEEDSFLAG 0x10 /* needs-flag */ +#define FI_HIDDEN 0x20 /* obscured by other(s), base names overlap */ + +/* + * Hash tables look up name=value pairs. The pointer value of the name + * is assumed to be constant forever; this can be arranged by interning + * the name. (This is fairly convenient since our lexer does this for + * all identifier-like strings---it has to save them anyway, lest yacc's + * look-ahead wipe out the current one.) + */ +struct hashtab; + +const char *conffile; /* source file, e.g., "GENERIC.sparc" */ +const char *confdirbase; /* basename of compile directory, usu. same */ +const char *machine; /* machine type, e.g., "sparc" */ +int errors; /* counts calls to error() */ +int minmaxusers; /* minimum "maxusers" parameter */ +int defmaxusers; /* default "maxusers" parameter */ +int maxmaxusers; /* default "maxusers" parameter */ +int maxusers; /* configuration's "maxusers" parameter */ +struct nvlist *options; /* options */ +struct nvlist *mkoptions; /* makeoptions */ +struct hashtab *devbasetab; /* devbase lookup */ +struct hashtab *selecttab; /* selects things that are "optional foo" */ +struct hashtab *needcnttab; /* retains names marked "needs-count" */ + +struct devbase *allbases; /* list of all devbase structures */ +struct config *allcf; /* list of configured kernels */ +struct devi *alldevi; /* list of all instances */ +struct devi *allpseudo; /* list of all pseudo-devices */ +int ndevi; /* number of devi's (before packing) */ +int npseudo; /* number of pseudo's */ + +struct files *allfiles; /* list of all kernel source files */ + +struct devi **packed; /* arrayified table for packed devi's */ +int npacked; /* size of packed table, <= ndevi */ + +struct { /* pv[] table for config */ + short *vec; + int used; +} parents; +struct { /* loc[] table for config */ + const char **vec; + int used; +} locators; + +/* files.c */ +void initfiles __P((void)); +void checkfiles __P((void)); +int fixfiles __P((void)); /* finalize */ +void addfile __P((const char *, struct nvlist *, int, const char *)); + +/* hash.c */ +struct hashtab *ht_new __P((void)); +int ht_insrep __P((struct hashtab *, const char *, void *, int)); +#define ht_insert(ht, nam, val) ht_insrep(ht, nam, val, 0) +#define ht_replace(ht, nam, val) ht_insrep(ht, nam, val, 1) +void *ht_lookup __P((struct hashtab *, const char *)); +void initintern __P((void)); +const char *intern __P((const char *)); + +/* main.c */ +void addoption __P((const char *name, const char *value)); +void addmkoption __P((const char *name, const char *value)); + +/* mkheaders.c */ +int mkheaders __P((void)); + +/* mkioconf.c */ +int mkioconf __P((void)); + +/* mkmakefile.c */ +int mkmakefile __P((void)); + +/* mkswap.c */ +int mkswap __P((void)); + +/* pack.c */ +void pack __P((void)); + +/* scan.l */ +int currentline __P((void)); + +/* sem.c, other than for yacc actions */ +void initsem __P((void)); + +/* util.c */ +void *emalloc __P((size_t)); +void *erealloc __P((void *, size_t)); +char *path __P((const char *)); +void error __P((const char *, ...)); /* immediate errs */ +void xerror __P((const char *, int, const char *, ...)); /* delayed errs */ +__dead void panic __P((const char *, ...)); +struct nvlist *newnv __P((const char *, const char *, void *, int)); +void nvfree __P((struct nvlist *)); +void nvfreel __P((struct nvlist *)); |
