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Add gctl_set_param() function.

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This commit is contained in:
phk 2003-05-04 19:24:34 +00:00
parent 65684800f0
commit f1297dcac6
2 changed files with 26 additions and 0 deletions
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1
sys/geom/geom.h
View File

@ -311,6 +311,7 @@ extern struct sx topology_lock;
#endif /* _KERNEL */
/* geom_ctl.c */
int gctl_set_param(struct gctl_req *req, const char *param, void *ptr, int len);
void *gctl_get_param(struct gctl_req *req, const char *param, int *len);
void *gctl_get_paraml(struct gctl_req *req, const char *param, int len);
int gctl_error(struct gctl_req *req, const char *fmt, ...);

25
sys/geom/geom_ctl.c
View File

@ -251,6 +251,31 @@ gctl_dump(struct gctl_req *req)
}
}
int
gctl_set_param(struct gctl_req *req, const char *param, void *ptr, int len)
{
int i, error;
struct gctl_req_arg *ap;
for (i = 0; i < req->narg; i++) {
ap = &req->arg[i];
if (strcmp(param, ap->name))
continue;
if (!(ap->flag & GCTL_PARAM_WR)) {
gctl_error(req, "No write access %s argument", param);
return (EINVAL);
}
if (ap->len != len) {
gctl_error(req, "Wrong length %s argument", param);
return (EINVAL);
}
error = copyout(ptr, ap->value, len);
return (error);
}
gctl_error(req, "Missing %s argument", param);
return (EINVAL);
}
void *
gctl_get_param(struct gctl_req *req, const char *param, int *len)
{