1 /* $NetBSD: dev.c,v 1.4 1994/10/30 21:48:23 cgd Exp $ */
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32 #include <sys/param.h>
33 #include <sys/reboot.h>
50 noioctl(struct open_file *f __unused, u_long cmd __unused, void *data __unused)
56 devformat(struct devdesc *d)
58 static char name[DEV_DEVLEN];
60 if (d->d_dev->dv_fmtdev != NULL)
61 return (d->d_dev->dv_fmtdev(d));
62 snprintf(name, sizeof(name), "%s%d:", d->d_dev->dv_name, d->d_unit);
66 /* NB: devspec points to the remainder of the device name after dv_name */
68 default_parsedev(struct devdesc **dev, const char *devspec,
75 idev = malloc(sizeof(struct devdesc));
80 cp = (char *)devspec; /* strtol interface, alas */
82 if (*devspec != '\0' && *devspec != ':') {
84 unit = strtol(devspec, &cp, 0);
85 if (errno != 0 || cp == devspec) {
90 if (*cp != '\0' && *cp != ':') {
97 *path = (*cp == 0) ? cp : cp + 1;
105 /* NB: devspec points to the whole device spec, and possible trailing path */
107 devparse(struct devdesc **dev, const char *devspec, const char **path)
109 struct devdesc *idev;
114 /* minimum length check */
115 if (strlen(devspec) < 2)
118 /* look for a device that matches */
119 for (i = 0; devsw[i] != NULL; i++) {
121 if (dv->dv_match != NULL) {
122 if (dv->dv_match(dv, devspec) != 0)
125 if (!strncmp(devspec, dv->dv_name, strlen(dv->dv_name)))
129 if (devsw[i] == NULL)
133 if (dv->dv_parsedev) {
134 err = dv->dv_parsedev(&idev, devspec, path);
136 np = devspec + strlen(dv->dv_name);
137 err = default_parsedev(&idev, np, path);
156 * March through the device switch probing for things.
158 for (int i = 0; devsw[i] != NULL; i++) {
159 if (devsw[i]->dv_init != NULL) {
160 if ((devsw[i]->dv_init)() != 0) {
173 /* Call cleanup routines */
174 for (i = 0; devsw[i] != NULL; ++i)
175 if (devsw[i]->dv_cleanup != NULL)
176 (devsw[i]->dv_cleanup)();