79 gctl_error(struct gctl_req *req, const char *fmt, ...)  in gctl_error()  argument
83 	if (req == NULL)  in gctl_error()
87 	if (sbuf_done(req->serror)) {  in gctl_error()
88 		if (!req->nerror)  in gctl_error()
89 			req->nerror = EEXIST;  in gctl_error()
93 		return (req->nerror);  in gctl_error()
95 	if (!req->nerror)  in gctl_error()
96 		req->nerror = EINVAL;  in gctl_error()
99 	if (sbuf_len(req->serror) > 0)  in gctl_error()
100 		sbuf_cat(req->serror, "\n\t");  in gctl_error()
102 	sbuf_vprintf(req->serror, fmt, ap);  in gctl_error()
104 	gctl_post_messages(req);  in gctl_error()
105 	return (req->nerror);  in gctl_error()
124 gctl_msg(struct gctl_req *req, int errno, const char *fmt, ...)  in gctl_msg()  argument
128 	if (req == NULL)  in gctl_msg()
130 	if (sbuf_done(req->serror)) {  in gctl_msg()
136 	if (req->nerror == 0)  in gctl_msg()
137 		req->nerror = errno;  in gctl_msg()
139 	if (sbuf_len(req->serror) > 0)  in gctl_msg()
140 		sbuf_cat(req->serror, "\n\t");  in gctl_msg()
142 	sbuf_vprintf(req->serror, fmt, ap);  in gctl_msg()
150 gctl_post_messages(struct gctl_req *req)  in gctl_post_messages()  argument
153 	if (sbuf_done(req->serror)) {  in gctl_post_messages()
159 	sbuf_finish(req->serror);  in gctl_post_messages()
161 		printf("gctl %p message(s) \"%s\"\n", req,  in gctl_post_messages()
162 		    sbuf_data(req->serror));  in gctl_post_messages()
170 geom_alloc_copyin(struct gctl_req *req, void *uaddr, size_t len)  in geom_alloc_copyin()  argument
175 	req->nerror = copyin(uaddr, ptr, len);  in geom_alloc_copyin()
176 	if (!req->nerror)  in geom_alloc_copyin()
183 gctl_copyin(struct gctl_req *req)  in gctl_copyin()  argument
189 	if (req->narg > GEOM_CTL_ARG_MAX) {  in gctl_copyin()
190 		gctl_error(req, "too many arguments");  in gctl_copyin()
191 		req->arg = NULL;  in gctl_copyin()
195 	ap = geom_alloc_copyin(req, req->arg, req->narg * sizeof(*ap));  in gctl_copyin()
197 		gctl_error(req, "bad control request");  in gctl_copyin()
198 		req->arg = NULL;  in gctl_copyin()
203 	for (i = 0; i < req->narg; i++) {  in gctl_copyin()
209 	for (i = 0; i < req->narg; i++) {  in gctl_copyin()
211 			gctl_error(req,  in gctl_copyin()
215 		p = geom_alloc_copyin(req, ap[i].name, ap[i].nlen);  in gctl_copyin()
219 			gctl_error(req, "unterminated param name");  in gctl_copyin()
226 			gctl_error(req, "negative param length");  in gctl_copyin()
230 			p = geom_alloc_copyin(req, ap[i].value, ap[i].len);  in gctl_copyin()
235 				gctl_error(req, "unterminated param value");  in gctl_copyin()
245 	req->arg = ap;  in gctl_copyin()
250 gctl_copyout(struct gctl_req *req)  in gctl_copyout()  argument
255 	if (req->nerror)  in gctl_copyout()
258 	ap = req->arg;  in gctl_copyout()
259 	for (i = 0; i < req->narg; i++, ap++) {  in gctl_copyout()
265 		req->nerror = error;  in gctl_copyout()
272 gctl_free(struct gctl_req *req)  in gctl_free()  argument
276 	sbuf_delete(req->serror);  in gctl_free()
277 	if (req->arg == NULL)  in gctl_free()
279 	for (i = 0; i < req->narg; i++) {  in gctl_free()
280 		if (req->arg[i].flag & GCTL_PARAM_NAMEKERNEL)  in gctl_free()
281 			g_free(req->arg[i].name);  in gctl_free()
282 		if ((req->arg[i].flag & GCTL_PARAM_VALUEKERNEL) &&  in gctl_free()
283 		    req->arg[i].len > 0)  in gctl_free()
284 			g_free(req->arg[i].kvalue);  in gctl_free()
286 	g_free(req->arg);  in gctl_free()
290 gctl_dump(struct gctl_req *req, const char *what)  in gctl_dump()  argument
296 	printf("Dump of gctl %s at %p:\n", what, req);  in gctl_dump()
297 	if (req->nerror > 0) {  in gctl_dump()
298 		printf("  nerror:\t%d\n", req->nerror);  in gctl_dump()
299 		if (sbuf_len(req->serror) > 0)  in gctl_dump()
300 			printf("  error:\t\"%s\"\n", sbuf_data(req->serror));  in gctl_dump()
302 	if (req->arg == NULL)  in gctl_dump()
304 	for (i = 0; i < req->narg; i++) {  in gctl_dump()
305 		ap = &req->arg[i];  in gctl_dump()
329 gctl_set_param(struct gctl_req *req, const char *param, void const *ptr,  in gctl_set_param()  argument
335 	for (i = 0; i < req->narg; i++) {  in gctl_set_param()
336 		ap = &req->arg[i];  in gctl_set_param()
353 gctl_set_param_err(struct gctl_req *req, const char *param, void const *ptr,  in gctl_set_param_err()  argument
357 	switch (gctl_set_param(req, param, ptr, len)) {  in gctl_set_param_err()
359 		gctl_error(req, "No write access %s argument", param);  in gctl_set_param_err()
362 		gctl_error(req, "Wrong length %s argument", param);  in gctl_set_param_err()
365 		gctl_error(req, "Missing %s argument", param);  in gctl_set_param_err()
371 gctl_get_param_flags(struct gctl_req *req, const char *param, int flags, int *len)  in gctl_get_param_flags()  argument
377 	for (i = 0; i < req->narg; i++) {  in gctl_get_param_flags()
378 		ap = &req->arg[i];  in gctl_get_param_flags()
392 gctl_get_param(struct gctl_req *req, const char *param, int *len)  in gctl_get_param()  argument
395 	return (gctl_get_param_flags(req, param, GCTL_PARAM_RD, len));  in gctl_get_param()
399 gctl_get_asciiparam(struct gctl_req *req, const char *param)  in gctl_get_asciiparam()  argument
404 	p = gctl_get_param_flags(req, param, GCTL_PARAM_RD, &len);  in gctl_get_asciiparam()
408 		gctl_error(req, "Argument without length (%s)", param);  in gctl_get_asciiparam()
412 		gctl_error(req, "Unterminated argument (%s)", param);  in gctl_get_asciiparam()
419 gctl_get_paraml_opt(struct gctl_req *req, const char *param, int len)  in gctl_get_paraml_opt()  argument
424 	p = gctl_get_param(req, param, &i);  in gctl_get_paraml_opt()
427 		gctl_error(req, "Wrong length %s argument", param);  in gctl_get_paraml_opt()
433 gctl_get_paraml(struct gctl_req *req, const char *param, int len)  in gctl_get_paraml()  argument
437 	p = gctl_get_paraml_opt(req, param, len);  in gctl_get_paraml()
439 		gctl_error(req, "Missing %s argument", param);  in gctl_get_paraml()
444 gctl_get_class(struct gctl_req *req, char const *arg)  in gctl_get_class()  argument
449 	p = gctl_get_asciiparam(req, arg);  in gctl_get_class()
451 		gctl_error(req, "Missing %s argument", arg);  in gctl_get_class()
458 	gctl_error(req, "Class not found: \"%s\"", p);  in gctl_get_class()
463 gctl_get_geom(struct gctl_req *req, struct g_class *mp, char const *arg)  in gctl_get_geom()  argument
469 	p = gctl_get_asciiparam(req, arg);  in gctl_get_geom()
471 		gctl_error(req, "Missing %s argument", arg);  in gctl_get_geom()
477 	gctl_error(req, "Geom not found: \"%s\"", p);  in gctl_get_geom()
482 gctl_get_provider(struct gctl_req *req, char const *arg)  in gctl_get_provider()  argument
487 	p = gctl_get_asciiparam(req, arg);  in gctl_get_provider()
489 		gctl_error(req, "Missing '%s' argument", arg);  in gctl_get_provider()
495 	gctl_error(req, "Provider not found: \"%s\"", p);  in gctl_get_provider()
500 g_ctl_getxml(struct gctl_req *req, struct g_class *mp)  in g_ctl_getxml()  argument
509 	parents = gctl_get_paraml(req, "parents", sizeof(*parents));  in g_ctl_getxml()
512 	name = gctl_get_asciiparam(req, "arg0");  in g_ctl_getxml()
540 	buf = gctl_get_param_flags(req, "output", GCTL_PARAM_WR, &len);  in g_ctl_getxml()
542 		gctl_error(req, "output parameter missing");  in g_ctl_getxml()
548 	gctl_set_param(req, "output", buf, 0);  in g_ctl_getxml()
550 		gctl_error(req, "output buffer overflow");  in g_ctl_getxml()
559 	struct gctl_req *req;  in g_ctl_req()  local
563 	req = arg;  in g_ctl_req()
564 	mp = gctl_get_class(req, "class");  in g_ctl_req()
567 	verb = gctl_get_param(req, "verb", NULL);  in g_ctl_req()
569 		gctl_error(req, "Verb missing");  in g_ctl_req()
573 		g_ctl_getxml(req, mp);  in g_ctl_req()
575 		gctl_error(req, "Class takes no requests");  in g_ctl_req()
577 		mp->ctlreq(req, mp, verb);  in g_ctl_req()
585 	struct gctl_req *req;  in g_ctl_ioctl_ctl()  local
588 	req = (void *)data;  in g_ctl_ioctl_ctl()
589 	req->nerror = 0;  in g_ctl_ioctl_ctl()
591 	if (req->lerror < 2)  in g_ctl_ioctl_ctl()
593 	if (!useracc(req->error, req->lerror, VM_PROT_WRITE))  in g_ctl_ioctl_ctl()
596 	req->serror = sbuf_new_auto();  in g_ctl_ioctl_ctl()
598 	if (req->version != GCTL_VERSION) {  in g_ctl_ioctl_ctl()
599 		gctl_error(req, "kernel and libgeom version mismatch.");  in g_ctl_ioctl_ctl()
600 		req->arg = NULL;  in g_ctl_ioctl_ctl()
603 		gctl_copyin(req);  in g_ctl_ioctl_ctl()
606 			gctl_dump(req, "request");  in g_ctl_ioctl_ctl()
608 		if (!req->nerror) {  in g_ctl_ioctl_ctl()
609 			g_waitfor_event(g_ctl_req, req, M_WAITOK, NULL);  in g_ctl_ioctl_ctl()
612 				gctl_dump(req, "result");  in g_ctl_ioctl_ctl()
614 			gctl_copyout(req);  in g_ctl_ioctl_ctl()
617 	if (sbuf_done(req->serror)) {  in g_ctl_ioctl_ctl()
618 		nerror = copyout(sbuf_data(req->serror), req->error,  in g_ctl_ioctl_ctl()
619 		    imin(req->lerror, sbuf_len(req->serror) + 1));  in g_ctl_ioctl_ctl()
620 		if (nerror != 0 && req->nerror == 0)  in g_ctl_ioctl_ctl()
621 			req->nerror = nerror;  in g_ctl_ioctl_ctl()
624 	nerror = req->nerror;  in g_ctl_ioctl_ctl()
625 	gctl_free(req);  in g_ctl_ioctl_ctl()