1*86d7f5d3SJohn Marino /* $NetBSD: libdm_netbsd.c,v 1.5 2009/12/05 11:42:24 haad Exp $ */
2*86d7f5d3SJohn Marino
3*86d7f5d3SJohn Marino /*
4*86d7f5d3SJohn Marino * Copyright (c) 1996, 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc.
5*86d7f5d3SJohn Marino * All rights reserved.
6*86d7f5d3SJohn Marino *
7*86d7f5d3SJohn Marino * This code is derived from software contributed to The NetBSD Foundation
8*86d7f5d3SJohn Marino * by Adam Hamsik.
9*86d7f5d3SJohn Marino *
10*86d7f5d3SJohn Marino * Redistribution and use in source and binary forms, with or without
11*86d7f5d3SJohn Marino * modification, are permitted provided that the following conditions
12*86d7f5d3SJohn Marino * are met:
13*86d7f5d3SJohn Marino * 1. Redistributions of source code must retain the above copyright
14*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer.
15*86d7f5d3SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
16*86d7f5d3SJohn Marino * notice, this list of conditions and the following disclaimer in the
17*86d7f5d3SJohn Marino * documentation and/or other materials provided with the distribution.
18*86d7f5d3SJohn Marino *
19*86d7f5d3SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20*86d7f5d3SJohn Marino * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21*86d7f5d3SJohn Marino * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22*86d7f5d3SJohn Marino * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23*86d7f5d3SJohn Marino * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24*86d7f5d3SJohn Marino * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25*86d7f5d3SJohn Marino * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26*86d7f5d3SJohn Marino * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27*86d7f5d3SJohn Marino * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28*86d7f5d3SJohn Marino * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29*86d7f5d3SJohn Marino * POSSIBILITY OF SUCH DAMAGE.
30*86d7f5d3SJohn Marino */
31*86d7f5d3SJohn Marino
32*86d7f5d3SJohn Marino
33*86d7f5d3SJohn Marino #include <sys/ioctl.h>
34*86d7f5d3SJohn Marino #include <sys/types.h>
35*86d7f5d3SJohn Marino #include <sys/sysctl.h>
36*86d7f5d3SJohn Marino
37*86d7f5d3SJohn Marino #include <err.h>
38*86d7f5d3SJohn Marino #include <errno.h>
39*86d7f5d3SJohn Marino
40*86d7f5d3SJohn Marino #include <stdio.h>
41*86d7f5d3SJohn Marino #include <stdlib.h>
42*86d7f5d3SJohn Marino #include <unistd.h>
43*86d7f5d3SJohn Marino
44*86d7f5d3SJohn Marino #include <dev/dm/netbsd-dm.h>
45*86d7f5d3SJohn Marino
46*86d7f5d3SJohn Marino #include <dm-ioctl.h>
47*86d7f5d3SJohn Marino
48*86d7f5d3SJohn Marino #include "lib.h"
49*86d7f5d3SJohn Marino #include "libdm-netbsd.h"
50*86d7f5d3SJohn Marino
51*86d7f5d3SJohn Marino #define DMI_SIZE 16 * 1024
52*86d7f5d3SJohn Marino
53*86d7f5d3SJohn Marino static int dm_list_versions(prop_dictionary_t, struct dm_ioctl *);
54*86d7f5d3SJohn Marino static int dm_list_devices(prop_dictionary_t, struct dm_ioctl *);
55*86d7f5d3SJohn Marino static int dm_dev_deps(prop_dictionary_t, struct dm_ioctl *);
56*86d7f5d3SJohn Marino static int dm_table_status(prop_dictionary_t, struct dm_ioctl *);
57*86d7f5d3SJohn Marino
58*86d7f5d3SJohn Marino int
nbsd_get_dm_major(uint32_t * major,int type)59*86d7f5d3SJohn Marino nbsd_get_dm_major(uint32_t *major, int type)
60*86d7f5d3SJohn Marino {
61*86d7f5d3SJohn Marino size_t val_len,i;
62*86d7f5d3SJohn Marino struct kinfo_drivers *kd;
63*86d7f5d3SJohn Marino
64*86d7f5d3SJohn Marino if (sysctlbyname("kern.drivers",NULL,&val_len,NULL,0) < 0) {
65*86d7f5d3SJohn Marino printf("sysctlbyname failed");
66*86d7f5d3SJohn Marino return 0;
67*86d7f5d3SJohn Marino }
68*86d7f5d3SJohn Marino
69*86d7f5d3SJohn Marino if ((kd = malloc (val_len)) == NULL){
70*86d7f5d3SJohn Marino printf("malloc kd info error\n");
71*86d7f5d3SJohn Marino return 0;
72*86d7f5d3SJohn Marino }
73*86d7f5d3SJohn Marino
74*86d7f5d3SJohn Marino if (sysctlbyname("kern.drivers", kd, &val_len, NULL, 0) < 0) {
75*86d7f5d3SJohn Marino printf("sysctlbyname failed kd");
76*86d7f5d3SJohn Marino return 0;
77*86d7f5d3SJohn Marino }
78*86d7f5d3SJohn Marino
79*86d7f5d3SJohn Marino for (i = 0, val_len /= sizeof(*kd); i < val_len; i++) {
80*86d7f5d3SJohn Marino
81*86d7f5d3SJohn Marino if (strncmp(kd[i].d_name,DM_NAME,strlen(kd[i].d_name)) == 0){
82*86d7f5d3SJohn Marino
83*86d7f5d3SJohn Marino if (type == DM_CHAR_MAJOR)
84*86d7f5d3SJohn Marino /* Set major to dm-driver char major number. */
85*86d7f5d3SJohn Marino *major = kd[i].d_cmajor;
86*86d7f5d3SJohn Marino else
87*86d7f5d3SJohn Marino if (type == DM_BLOCK_MAJOR)
88*86d7f5d3SJohn Marino *major = kd[i].d_bmajor;
89*86d7f5d3SJohn Marino
90*86d7f5d3SJohn Marino free(kd);
91*86d7f5d3SJohn Marino
92*86d7f5d3SJohn Marino return 1;
93*86d7f5d3SJohn Marino }
94*86d7f5d3SJohn Marino }
95*86d7f5d3SJohn Marino
96*86d7f5d3SJohn Marino free(kd);
97*86d7f5d3SJohn Marino
98*86d7f5d3SJohn Marino return 0;
99*86d7f5d3SJohn Marino }
100*86d7f5d3SJohn Marino
101*86d7f5d3SJohn Marino int
nbsd_dmi_add_version(const int * version,prop_dictionary_t dm_dict)102*86d7f5d3SJohn Marino nbsd_dmi_add_version(const int *version, prop_dictionary_t dm_dict)
103*86d7f5d3SJohn Marino {
104*86d7f5d3SJohn Marino prop_array_t ver;
105*86d7f5d3SJohn Marino size_t i;
106*86d7f5d3SJohn Marino
107*86d7f5d3SJohn Marino if ((ver = prop_array_create()) == NULL)
108*86d7f5d3SJohn Marino return -1;
109*86d7f5d3SJohn Marino
110*86d7f5d3SJohn Marino for (i=0;i<3;i++)
111*86d7f5d3SJohn Marino prop_array_set_uint32(ver,i,version[i]);
112*86d7f5d3SJohn Marino
113*86d7f5d3SJohn Marino if ((prop_dictionary_set(dm_dict,"version",ver)) == false)
114*86d7f5d3SJohn Marino return -1;
115*86d7f5d3SJohn Marino
116*86d7f5d3SJohn Marino prop_object_release(ver);
117*86d7f5d3SJohn Marino
118*86d7f5d3SJohn Marino return 0;
119*86d7f5d3SJohn Marino }
120*86d7f5d3SJohn Marino
121*86d7f5d3SJohn Marino struct dm_ioctl*
nbsd_dm_dict_to_dmi(prop_dictionary_t dm_dict,const int cmd)122*86d7f5d3SJohn Marino nbsd_dm_dict_to_dmi(prop_dictionary_t dm_dict,const int cmd)
123*86d7f5d3SJohn Marino {
124*86d7f5d3SJohn Marino struct dm_ioctl *dmi;
125*86d7f5d3SJohn Marino prop_array_t ver;
126*86d7f5d3SJohn Marino
127*86d7f5d3SJohn Marino size_t i;
128*86d7f5d3SJohn Marino int r;
129*86d7f5d3SJohn Marino char *name, *uuid;
130*86d7f5d3SJohn Marino uint32_t major,minor;
131*86d7f5d3SJohn Marino
132*86d7f5d3SJohn Marino name = NULL;
133*86d7f5d3SJohn Marino uuid = NULL;
134*86d7f5d3SJohn Marino minor = 0;
135*86d7f5d3SJohn Marino
136*86d7f5d3SJohn Marino nbsd_get_dm_major(&major, DM_BLOCK_MAJOR);
137*86d7f5d3SJohn Marino
138*86d7f5d3SJohn Marino if (!(dmi = dm_malloc(DMI_SIZE)))
139*86d7f5d3SJohn Marino return NULL;
140*86d7f5d3SJohn Marino
141*86d7f5d3SJohn Marino memset(dmi,0,DMI_SIZE);
142*86d7f5d3SJohn Marino
143*86d7f5d3SJohn Marino prop_dictionary_get_int32(dm_dict, DM_IOCTL_OPEN, &dmi->open_count);
144*86d7f5d3SJohn Marino prop_dictionary_get_uint32(dm_dict, DM_IOCTL_EVENT, &dmi->event_nr);
145*86d7f5d3SJohn Marino prop_dictionary_get_uint32(dm_dict, DM_IOCTL_FLAGS, &dmi->flags);
146*86d7f5d3SJohn Marino prop_dictionary_get_uint32(dm_dict, DM_IOCTL_TARGET_COUNT,
147*86d7f5d3SJohn Marino &dmi->target_count);
148*86d7f5d3SJohn Marino
149*86d7f5d3SJohn Marino if (prop_dictionary_get_uint32(dm_dict, DM_IOCTL_MINOR, &minor))
150*86d7f5d3SJohn Marino dmi->dev = MKDEV(major, minor);
151*86d7f5d3SJohn Marino else
152*86d7f5d3SJohn Marino dmi->dev = 0;
153*86d7f5d3SJohn Marino
154*86d7f5d3SJohn Marino /* Copy name and uuid to dm_ioctl. */
155*86d7f5d3SJohn Marino if (prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_NAME,
156*86d7f5d3SJohn Marino (const char **)&name)){
157*86d7f5d3SJohn Marino strlcpy(dmi->name, name, DM_NAME_LEN);
158*86d7f5d3SJohn Marino } else
159*86d7f5d3SJohn Marino dmi->name[0] = '\0';
160*86d7f5d3SJohn Marino
161*86d7f5d3SJohn Marino if (prop_dictionary_get_cstring_nocopy(dm_dict, DM_IOCTL_UUID,
162*86d7f5d3SJohn Marino (const char **)&uuid)){
163*86d7f5d3SJohn Marino strlcpy(dmi->uuid, uuid, DM_UUID_LEN);
164*86d7f5d3SJohn Marino } else
165*86d7f5d3SJohn Marino dmi->uuid[0] = '\0';
166*86d7f5d3SJohn Marino
167*86d7f5d3SJohn Marino /* dmi parsing values, size of dmi block and offset to data. */
168*86d7f5d3SJohn Marino dmi->data_size = DMI_SIZE;
169*86d7f5d3SJohn Marino dmi->data_start = sizeof(struct dm_ioctl);
170*86d7f5d3SJohn Marino
171*86d7f5d3SJohn Marino /* Get kernel version from dm_dict. */
172*86d7f5d3SJohn Marino ver = prop_dictionary_get(dm_dict,DM_IOCTL_VERSION);
173*86d7f5d3SJohn Marino
174*86d7f5d3SJohn Marino for(i=0; i<3; i++)
175*86d7f5d3SJohn Marino prop_array_get_uint32(ver,i,&dmi->version[i]);
176*86d7f5d3SJohn Marino
177*86d7f5d3SJohn Marino switch (cmd){
178*86d7f5d3SJohn Marino
179*86d7f5d3SJohn Marino case DM_LIST_VERSIONS:
180*86d7f5d3SJohn Marino r = dm_list_versions(dm_dict,dmi);
181*86d7f5d3SJohn Marino if (r >= 0)
182*86d7f5d3SJohn Marino dmi->target_count = r;
183*86d7f5d3SJohn Marino break;
184*86d7f5d3SJohn Marino
185*86d7f5d3SJohn Marino case DM_LIST_DEVICES:
186*86d7f5d3SJohn Marino r = dm_list_devices(dm_dict,dmi);
187*86d7f5d3SJohn Marino if (r >= 0)
188*86d7f5d3SJohn Marino dmi->target_count = r;
189*86d7f5d3SJohn Marino break;
190*86d7f5d3SJohn Marino
191*86d7f5d3SJohn Marino case DM_TABLE_STATUS:
192*86d7f5d3SJohn Marino r = dm_table_status(dm_dict,dmi);
193*86d7f5d3SJohn Marino if (r >= 0)
194*86d7f5d3SJohn Marino dmi->target_count = r;
195*86d7f5d3SJohn Marino break;
196*86d7f5d3SJohn Marino
197*86d7f5d3SJohn Marino case DM_TABLE_DEPS:
198*86d7f5d3SJohn Marino r = dm_dev_deps(dm_dict,dmi);
199*86d7f5d3SJohn Marino if (r >= 0)
200*86d7f5d3SJohn Marino dmi->target_count = r;
201*86d7f5d3SJohn Marino break;
202*86d7f5d3SJohn Marino }
203*86d7f5d3SJohn Marino
204*86d7f5d3SJohn Marino return dmi;
205*86d7f5d3SJohn Marino }
206*86d7f5d3SJohn Marino
207*86d7f5d3SJohn Marino /*
208*86d7f5d3SJohn Marino * Parse dm_dict when targets command was called and fill dm_ioctl buffer with it.
209*86d7f5d3SJohn Marino *
210*86d7f5d3SJohn Marino * Return number of targets or if failed <0 error.
211*86d7f5d3SJohn Marino */
212*86d7f5d3SJohn Marino
213*86d7f5d3SJohn Marino static int
dm_list_versions(prop_dictionary_t dm_dict,struct dm_ioctl * dmi)214*86d7f5d3SJohn Marino dm_list_versions(prop_dictionary_t dm_dict, struct dm_ioctl *dmi)
215*86d7f5d3SJohn Marino {
216*86d7f5d3SJohn Marino struct dm_target_versions *dmtv,*odmtv;
217*86d7f5d3SJohn Marino
218*86d7f5d3SJohn Marino prop_array_t targets,ver;
219*86d7f5d3SJohn Marino prop_dictionary_t target_dict;
220*86d7f5d3SJohn Marino prop_object_iterator_t iter;
221*86d7f5d3SJohn Marino
222*86d7f5d3SJohn Marino char *name;
223*86d7f5d3SJohn Marino size_t j,i,slen,rec_size;
224*86d7f5d3SJohn Marino
225*86d7f5d3SJohn Marino odmtv = NULL;
226*86d7f5d3SJohn Marino name = NULL;
227*86d7f5d3SJohn Marino j = 0;
228*86d7f5d3SJohn Marino
229*86d7f5d3SJohn Marino dmtv = (struct dm_target_versions *)((uint8_t *)dmi + dmi->data_start);
230*86d7f5d3SJohn Marino
231*86d7f5d3SJohn Marino /* printf("dmi: vers: %d.%d.%d data_size: %d data_start: %d name: %s t_count: %d\n",
232*86d7f5d3SJohn Marino dmi->version[0],dmi->version[1],dmi->version[2],dmi->data_size,dmi->data_start,
233*86d7f5d3SJohn Marino dmi->name,dmi->target_count);
234*86d7f5d3SJohn Marino
235*86d7f5d3SJohn Marino printf("dmi: size: %d -- %p --- %p \n",sizeof(struct dm_ioctl),dmi,dmi+dmi->data_start);
236*86d7f5d3SJohn Marino printf("dmtv: size: %p --- %p\n",dmtv,(struct dm_target_versions *)(dmi+312));*/
237*86d7f5d3SJohn Marino
238*86d7f5d3SJohn Marino /* get prop_array of target_version dictionaries */
239*86d7f5d3SJohn Marino if ((targets = prop_dictionary_get(dm_dict,DM_IOCTL_CMD_DATA))){
240*86d7f5d3SJohn Marino
241*86d7f5d3SJohn Marino iter = prop_array_iterator(targets);
242*86d7f5d3SJohn Marino if (!iter)
243*86d7f5d3SJohn Marino err(EXIT_FAILURE,"dm_list_versions %s",__func__);
244*86d7f5d3SJohn Marino
245*86d7f5d3SJohn Marino while((target_dict = prop_object_iterator_next(iter)) != NULL){
246*86d7f5d3SJohn Marino j++;
247*86d7f5d3SJohn Marino
248*86d7f5d3SJohn Marino prop_dictionary_get_cstring_nocopy(target_dict,
249*86d7f5d3SJohn Marino DM_TARGETS_NAME,(const char **)&name);
250*86d7f5d3SJohn Marino
251*86d7f5d3SJohn Marino slen = strlen(name) + 1;
252*86d7f5d3SJohn Marino rec_size = sizeof(struct dm_target_versions) + slen + 1;
253*86d7f5d3SJohn Marino
254*86d7f5d3SJohn Marino if (rec_size > dmi->data_size)
255*86d7f5d3SJohn Marino return -ENOMEM;
256*86d7f5d3SJohn Marino
257*86d7f5d3SJohn Marino ver = prop_dictionary_get(target_dict,DM_TARGETS_VERSION);
258*86d7f5d3SJohn Marino
259*86d7f5d3SJohn Marino for (i=0; i<3; i++)
260*86d7f5d3SJohn Marino prop_array_get_uint32(ver,i,&dmtv->version[i]);
261*86d7f5d3SJohn Marino
262*86d7f5d3SJohn Marino dmtv->next = rec_size;
263*86d7f5d3SJohn Marino
264*86d7f5d3SJohn Marino strlcpy(dmtv->name,name,slen);
265*86d7f5d3SJohn Marino
266*86d7f5d3SJohn Marino odmtv = dmtv;
267*86d7f5d3SJohn Marino
268*86d7f5d3SJohn Marino dmtv =(struct dm_target_versions *)((uint8_t *)dmtv + rec_size);
269*86d7f5d3SJohn Marino }
270*86d7f5d3SJohn Marino
271*86d7f5d3SJohn Marino if (odmtv != NULL)
272*86d7f5d3SJohn Marino odmtv->next = 0;
273*86d7f5d3SJohn Marino }
274*86d7f5d3SJohn Marino
275*86d7f5d3SJohn Marino prop_object_iterator_release(iter);
276*86d7f5d3SJohn Marino return j;
277*86d7f5d3SJohn Marino }
278*86d7f5d3SJohn Marino
279*86d7f5d3SJohn Marino /*
280*86d7f5d3SJohn Marino * List all available dm devices in system.
281*86d7f5d3SJohn Marino */
282*86d7f5d3SJohn Marino static int
dm_list_devices(prop_dictionary_t dm_dict,struct dm_ioctl * dmi)283*86d7f5d3SJohn Marino dm_list_devices(prop_dictionary_t dm_dict, struct dm_ioctl *dmi)
284*86d7f5d3SJohn Marino {
285*86d7f5d3SJohn Marino struct dm_name_list *dml,*odml;
286*86d7f5d3SJohn Marino
287*86d7f5d3SJohn Marino prop_array_t targets;
288*86d7f5d3SJohn Marino prop_dictionary_t target_dict;
289*86d7f5d3SJohn Marino prop_object_iterator_t iter;
290*86d7f5d3SJohn Marino
291*86d7f5d3SJohn Marino uint32_t minor;
292*86d7f5d3SJohn Marino uint32_t major;
293*86d7f5d3SJohn Marino
294*86d7f5d3SJohn Marino char *name;
295*86d7f5d3SJohn Marino size_t j,slen,rec_size;
296*86d7f5d3SJohn Marino
297*86d7f5d3SJohn Marino odml = NULL;
298*86d7f5d3SJohn Marino name = NULL;
299*86d7f5d3SJohn Marino minor = 0;
300*86d7f5d3SJohn Marino j = 0;
301*86d7f5d3SJohn Marino
302*86d7f5d3SJohn Marino nbsd_get_dm_major(&major,DM_BLOCK_MAJOR);
303*86d7f5d3SJohn Marino
304*86d7f5d3SJohn Marino dml = (struct dm_name_list *)((uint8_t *)dmi + dmi->data_start);
305*86d7f5d3SJohn Marino
306*86d7f5d3SJohn Marino if ((targets = prop_dictionary_get(dm_dict,DM_IOCTL_CMD_DATA))){
307*86d7f5d3SJohn Marino
308*86d7f5d3SJohn Marino iter = prop_array_iterator(targets);
309*86d7f5d3SJohn Marino if (!iter)
310*86d7f5d3SJohn Marino err(EXIT_FAILURE,"dm_list_devices %s",__func__);
311*86d7f5d3SJohn Marino
312*86d7f5d3SJohn Marino while((target_dict = prop_object_iterator_next(iter)) != NULL){
313*86d7f5d3SJohn Marino
314*86d7f5d3SJohn Marino prop_dictionary_get_cstring_nocopy(target_dict,
315*86d7f5d3SJohn Marino DM_DEV_NAME,(const char **)&name);
316*86d7f5d3SJohn Marino
317*86d7f5d3SJohn Marino prop_dictionary_get_uint32(target_dict,DM_DEV_DEV,&minor);
318*86d7f5d3SJohn Marino
319*86d7f5d3SJohn Marino dml->dev = MKDEV(major,minor);
320*86d7f5d3SJohn Marino
321*86d7f5d3SJohn Marino slen = strlen(name) + 1;
322*86d7f5d3SJohn Marino rec_size = sizeof(struct dm_name_list) + slen + 1;
323*86d7f5d3SJohn Marino
324*86d7f5d3SJohn Marino if (rec_size > dmi->data_size)
325*86d7f5d3SJohn Marino return -ENOMEM;
326*86d7f5d3SJohn Marino
327*86d7f5d3SJohn Marino dml->next = rec_size;
328*86d7f5d3SJohn Marino
329*86d7f5d3SJohn Marino strlcpy(dml->name,name,slen);
330*86d7f5d3SJohn Marino
331*86d7f5d3SJohn Marino odml = dml;
332*86d7f5d3SJohn Marino
333*86d7f5d3SJohn Marino dml =(struct dm_name_list *)((uint8_t *)dml + rec_size);
334*86d7f5d3SJohn Marino
335*86d7f5d3SJohn Marino j++;
336*86d7f5d3SJohn Marino }
337*86d7f5d3SJohn Marino
338*86d7f5d3SJohn Marino if (odml != NULL)
339*86d7f5d3SJohn Marino odml->next = 0;
340*86d7f5d3SJohn Marino }
341*86d7f5d3SJohn Marino prop_object_iterator_release(iter);
342*86d7f5d3SJohn Marino return j;
343*86d7f5d3SJohn Marino }
344*86d7f5d3SJohn Marino
345*86d7f5d3SJohn Marino /*
346*86d7f5d3SJohn Marino * Print status of each table, target arguments, start sector,
347*86d7f5d3SJohn Marino * size and target name.
348*86d7f5d3SJohn Marino */
349*86d7f5d3SJohn Marino static int
dm_table_status(prop_dictionary_t dm_dict,struct dm_ioctl * dmi)350*86d7f5d3SJohn Marino dm_table_status(prop_dictionary_t dm_dict,struct dm_ioctl *dmi)
351*86d7f5d3SJohn Marino {
352*86d7f5d3SJohn Marino struct dm_target_spec *dmts, *odmts;
353*86d7f5d3SJohn Marino
354*86d7f5d3SJohn Marino prop_array_t targets;
355*86d7f5d3SJohn Marino prop_dictionary_t target_dict;
356*86d7f5d3SJohn Marino prop_object_iterator_t iter;
357*86d7f5d3SJohn Marino
358*86d7f5d3SJohn Marino char *type,*params,*params_start;
359*86d7f5d3SJohn Marino
360*86d7f5d3SJohn Marino bool prm;
361*86d7f5d3SJohn Marino size_t j,plen,rec_size,next;
362*86d7f5d3SJohn Marino
363*86d7f5d3SJohn Marino j = 0;
364*86d7f5d3SJohn Marino next = 0;
365*86d7f5d3SJohn Marino params = NULL;
366*86d7f5d3SJohn Marino odmts = NULL;
367*86d7f5d3SJohn Marino rec_size = 0;
368*86d7f5d3SJohn Marino plen = -1;
369*86d7f5d3SJohn Marino prm = false;
370*86d7f5d3SJohn Marino
371*86d7f5d3SJohn Marino dmts = (struct dm_target_spec *)((uint8_t *)dmi + dmi->data_start);
372*86d7f5d3SJohn Marino
373*86d7f5d3SJohn Marino if ((targets = prop_dictionary_get(dm_dict,DM_IOCTL_CMD_DATA))){
374*86d7f5d3SJohn Marino
375*86d7f5d3SJohn Marino iter = prop_array_iterator(targets);
376*86d7f5d3SJohn Marino if (!iter)
377*86d7f5d3SJohn Marino err(EXIT_FAILURE,"dm_table_status %s",__func__);
378*86d7f5d3SJohn Marino
379*86d7f5d3SJohn Marino while((target_dict = prop_object_iterator_next(iter)) != NULL){
380*86d7f5d3SJohn Marino
381*86d7f5d3SJohn Marino prop_dictionary_get_cstring_nocopy(target_dict,
382*86d7f5d3SJohn Marino DM_TABLE_TYPE,(const char **)&type);
383*86d7f5d3SJohn Marino
384*86d7f5d3SJohn Marino prm = prop_dictionary_get_cstring_nocopy(target_dict,
385*86d7f5d3SJohn Marino DM_TABLE_PARAMS,(const char **)¶ms);
386*86d7f5d3SJohn Marino
387*86d7f5d3SJohn Marino prop_dictionary_get_uint64(target_dict,DM_TABLE_START,&dmts->sector_start);
388*86d7f5d3SJohn Marino prop_dictionary_get_uint64(target_dict,DM_TABLE_LENGTH,&dmts->length);
389*86d7f5d3SJohn Marino prop_dictionary_get_int32(target_dict,DM_TABLE_STAT,&dmts->status);
390*86d7f5d3SJohn Marino
391*86d7f5d3SJohn Marino if (prm)
392*86d7f5d3SJohn Marino plen = strlen(params) + 1;
393*86d7f5d3SJohn Marino
394*86d7f5d3SJohn Marino rec_size = sizeof(struct dm_target_spec) + plen;
395*86d7f5d3SJohn Marino
396*86d7f5d3SJohn Marino /*
397*86d7f5d3SJohn Marino * In linux when copying table status from kernel next is
398*86d7f5d3SJohn Marino * number of bytes from the start of the first dm_target_spec
399*86d7f5d3SJohn Marino * structure. I don't know why but, it has to be done this way.
400*86d7f5d3SJohn Marino */
401*86d7f5d3SJohn Marino next += rec_size;
402*86d7f5d3SJohn Marino
403*86d7f5d3SJohn Marino if (rec_size > dmi->data_size)
404*86d7f5d3SJohn Marino return -ENOMEM;
405*86d7f5d3SJohn Marino
406*86d7f5d3SJohn Marino dmts->next = next;
407*86d7f5d3SJohn Marino
408*86d7f5d3SJohn Marino strlcpy(dmts->target_type, type, DM_MAX_TYPE_NAME);
409*86d7f5d3SJohn Marino
410*86d7f5d3SJohn Marino params_start = (char *)dmts + sizeof(struct dm_target_spec);
411*86d7f5d3SJohn Marino
412*86d7f5d3SJohn Marino if (prm)
413*86d7f5d3SJohn Marino strlcpy(params_start, params, plen);
414*86d7f5d3SJohn Marino else
415*86d7f5d3SJohn Marino params_start = "\0";
416*86d7f5d3SJohn Marino
417*86d7f5d3SJohn Marino
418*86d7f5d3SJohn Marino odmts = dmts;
419*86d7f5d3SJohn Marino
420*86d7f5d3SJohn Marino dmts = (struct dm_target_spec *)((uint8_t *)dmts + rec_size);
421*86d7f5d3SJohn Marino
422*86d7f5d3SJohn Marino j++;
423*86d7f5d3SJohn Marino
424*86d7f5d3SJohn Marino }
425*86d7f5d3SJohn Marino
426*86d7f5d3SJohn Marino if (odmts != NULL)
427*86d7f5d3SJohn Marino odmts->next = 0;
428*86d7f5d3SJohn Marino }
429*86d7f5d3SJohn Marino prop_object_iterator_release(iter);
430*86d7f5d3SJohn Marino
431*86d7f5d3SJohn Marino return j;
432*86d7f5d3SJohn Marino }
433*86d7f5d3SJohn Marino
434*86d7f5d3SJohn Marino /*
435*86d7f5d3SJohn Marino * Print dm device dependiences, get minor/major number for
436*86d7f5d3SJohn Marino * devices. From kernel I will receive major:minor number of
437*86d7f5d3SJohn Marino * block device used with target. I have to translate it to
438*86d7f5d3SJohn Marino * raw device numbers and use them, because all other parts of lvm2
439*86d7f5d3SJohn Marino * uses raw devices internaly.
440*86d7f5d3SJohn Marino */
441*86d7f5d3SJohn Marino static int
dm_dev_deps(prop_dictionary_t dm_dict,struct dm_ioctl * dmi)442*86d7f5d3SJohn Marino dm_dev_deps(prop_dictionary_t dm_dict, struct dm_ioctl *dmi)
443*86d7f5d3SJohn Marino {
444*86d7f5d3SJohn Marino struct dm_target_deps *dmtd;
445*86d7f5d3SJohn Marino struct kinfo_drivers *kd;
446*86d7f5d3SJohn Marino
447*86d7f5d3SJohn Marino prop_array_t targets;
448*86d7f5d3SJohn Marino prop_object_iterator_t iter;
449*86d7f5d3SJohn Marino
450*86d7f5d3SJohn Marino uint32_t major;
451*86d7f5d3SJohn Marino
452*86d7f5d3SJohn Marino size_t val_len, i, j;
453*86d7f5d3SJohn Marino
454*86d7f5d3SJohn Marino uint64_t dev_tmp;
455*86d7f5d3SJohn Marino
456*86d7f5d3SJohn Marino dev_tmp = 0;
457*86d7f5d3SJohn Marino j = 0;
458*86d7f5d3SJohn Marino i = 0;
459*86d7f5d3SJohn Marino
460*86d7f5d3SJohn Marino if (sysctlbyname("kern.drivers",NULL,&val_len,NULL,0) < 0) {
461*86d7f5d3SJohn Marino printf("sysctlbyname failed");
462*86d7f5d3SJohn Marino return 0;
463*86d7f5d3SJohn Marino }
464*86d7f5d3SJohn Marino
465*86d7f5d3SJohn Marino if ((kd = malloc (val_len)) == NULL){
466*86d7f5d3SJohn Marino printf("malloc kd info error\n");
467*86d7f5d3SJohn Marino return 0;
468*86d7f5d3SJohn Marino }
469*86d7f5d3SJohn Marino
470*86d7f5d3SJohn Marino if (sysctlbyname("kern.drivers", kd, &val_len, NULL, 0) < 0) {
471*86d7f5d3SJohn Marino printf("sysctlbyname failed kd");
472*86d7f5d3SJohn Marino return 0;
473*86d7f5d3SJohn Marino }
474*86d7f5d3SJohn Marino
475*86d7f5d3SJohn Marino dmtd = (struct dm_target_deps *)((uint8_t *)dmi + dmi->data_start);
476*86d7f5d3SJohn Marino
477*86d7f5d3SJohn Marino if ((targets = prop_dictionary_get(dm_dict, DM_IOCTL_CMD_DATA))){
478*86d7f5d3SJohn Marino
479*86d7f5d3SJohn Marino iter = prop_array_iterator(targets);
480*86d7f5d3SJohn Marino if (!iter)
481*86d7f5d3SJohn Marino err(EXIT_FAILURE,"dm_target_deps %s", __func__);
482*86d7f5d3SJohn Marino
483*86d7f5d3SJohn Marino while((prop_object_iterator_next(iter)) != NULL){
484*86d7f5d3SJohn Marino
485*86d7f5d3SJohn Marino prop_array_get_uint64(targets, j, &dev_tmp);
486*86d7f5d3SJohn Marino
487*86d7f5d3SJohn Marino for (i = 0, val_len /= sizeof(*kd); i < val_len; i++){
488*86d7f5d3SJohn Marino if (kd[i].d_bmajor == MAJOR(dev_tmp)) {
489*86d7f5d3SJohn Marino major = kd[i].d_cmajor;
490*86d7f5d3SJohn Marino break;
491*86d7f5d3SJohn Marino }
492*86d7f5d3SJohn Marino }
493*86d7f5d3SJohn Marino
494*86d7f5d3SJohn Marino dmtd->dev[j] = MKDEV(major,MINOR(dev_tmp));
495*86d7f5d3SJohn Marino
496*86d7f5d3SJohn Marino j++;
497*86d7f5d3SJohn Marino }
498*86d7f5d3SJohn Marino }
499*86d7f5d3SJohn Marino
500*86d7f5d3SJohn Marino dmtd->count = j;
501*86d7f5d3SJohn Marino
502*86d7f5d3SJohn Marino prop_object_iterator_release(iter);
503*86d7f5d3SJohn Marino
504*86d7f5d3SJohn Marino return j;
505*86d7f5d3SJohn Marino }
506