1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * b_generic.c :
27 * This file contains the functions for generic block devices
28 * for libsmedia.
29 */
30
31 #include <stdio.h>
32 #include <unistd.h>
33 #include <locale.h>
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/dkio.h>
37 #include <string.h>
38 #include "../../../library/inc/smedia.h"
39 #include "../../../library/inc/rmedia.h"
40 #include "../../../library/common/l_defines.h"
41
42 #define PERROR(string) my_perror(gettext(string))
43
44 static void
my_perror(char * err_string)45 my_perror(char *err_string)
46 {
47
48 int error_no;
49 if (errno == 0)
50 return;
51
52 error_no = errno;
53 (void) fprintf(stderr, gettext(err_string));
54 (void) fprintf(stderr, gettext(" : "));
55 errno = error_no;
56 perror("");
57 }
58
59 int32_t
_m_version_no(void)60 _m_version_no(void)
61 {
62 return (SM_BLKDEV_VERSION_1);
63 }
64
65 int32_t
_m_device_type(ushort_t ctype,ushort_t mtype)66 _m_device_type(ushort_t ctype, ushort_t mtype)
67 {
68 if (ctype == DKC_BLKDEV) {
69 if (mtype == 0)
70 return (0);
71 }
72 return (-1);
73 }
74
75
76 int32_t
_m_get_media_info(rmedia_handle_t * handle,void * ip)77 _m_get_media_info(rmedia_handle_t *handle, void *ip)
78 {
79 smmedium_prop_t *mp = (smmedium_prop_t *)ip;
80 struct dk_geom dkg;
81 struct dk_minfo minfo;
82 enum dkio_state state = DKIO_NONE;
83 int ret_val;
84
85 if (handle == NULL) {
86 DPRINTF("Null Handle\n");
87 errno = EINVAL;
88 return (-1);
89 }
90 if (handle->sm_signature != (int32_t)LIBSMEDIA_SIGNATURE) {
91 DPRINTF2("Signature expected=0x%x, found=0x%x\n",
92 LIBSMEDIA_SIGNATURE, handle->sm_signature);
93 errno = EINVAL;
94 return (-1);
95 }
96
97 if (ioctl(handle->sm_fd, DKIOCSTATE, &state) < 0) {
98 PERROR("DKIOCSTATE failed");
99 return (-1);
100 }
101
102 if (state != DKIO_INSERTED) {
103 DPRINTF("No media.\n");
104 mp->sm_media_type = SM_NOT_PRESENT;
105 mp->sm_version = SMMEDIA_PROP_V_1;
106 return (0);
107
108 }
109
110 ret_val = ioctl(handle->sm_fd, DKIOCGMEDIAINFO, &minfo);
111 if (ret_val < 0) {
112 DPRINTF("DKIOCGMEDIAINFO ioctl failed");
113 return (ret_val);
114 }
115 ret_val = ioctl(handle->sm_fd, DKIOCGGEOM, &dkg);
116 if (ret_val < 0) {
117 DPRINTF("DKIOCGGEOM ioctl failed");
118 return (ret_val);
119 }
120
121 mp->sm_media_type = SM_BLOCK;
122 mp->sm_blocksize = minfo.dki_lbsize;
123 mp->sm_capacity = minfo.dki_capacity;
124 mp->sm_pcyl = dkg.dkg_pcyl;
125 mp->sm_nhead = dkg.dkg_nhead;
126 mp->sm_nsect = dkg.dkg_nsect;
127 return (0);
128 }
129
130
131
132 /* ARGSUSED0 */
133
134 int32_t
_m_get_device_info(rmedia_handle_t * handle,void * ip)135 _m_get_device_info(rmedia_handle_t *handle, void *ip)
136 {
137 smdevice_info_t *mp = (smdevice_info_t *)ip;
138 char *vendor_name, *product_name, *fw_version;
139
140 if (handle == NULL) {
141 DPRINTF("Null Handle\n");
142 errno = EINVAL;
143 return (-1);
144 }
145 if (handle->sm_signature != (int32_t)LIBSMEDIA_SIGNATURE) {
146 DPRINTF2("Signature expected=0x%x, found=0x%x\n",
147 LIBSMEDIA_SIGNATURE, handle->sm_signature);
148 errno = EINVAL;
149 return (-1);
150 }
151 vendor_name = (char *)malloc(1);
152 if (vendor_name == NULL) {
153 if (!errno)
154 errno = ENOMEM;
155 return (-1);
156 }
157 product_name = (char *)malloc(1);
158 if (product_name == NULL) {
159 free(vendor_name);
160 if (!errno)
161 errno = ENOMEM;
162 return (-1);
163 }
164
165 fw_version = (char *)malloc(1);
166 if (fw_version == NULL) {
167 free(vendor_name);
168 free(product_name);
169 if (!errno)
170 errno = ENOMEM;
171 return (-1);
172 }
173
174 /* Note: we could potentially offer more here */
175 vendor_name[0] = 0;
176 product_name[0] = 0;
177 fw_version[0] = 0;
178 mp->sm_interface_type = IF_BLOCK;
179 mp->sm_vendor_name = vendor_name;
180 mp->sm_product_name = product_name;
181 mp->sm_firmware_version = fw_version;
182 return (0);
183 }
184
185 int32_t
_m_free_device_info(rmedia_handle_t * handle,void * ip)186 _m_free_device_info(rmedia_handle_t *handle, void *ip)
187 {
188 struct smdevice_info *dev_info = ip;
189
190 /* Check for valid handle */
191 if (handle == NULL) {
192 DPRINTF("Null Handle\n");
193 errno = EINVAL;
194 return (-1);
195 }
196 if (handle->sm_signature != LIBSMEDIA_SIGNATURE) {
197 DPRINTF("Invalid signature in handle.\n");
198 errno = EINVAL;
199 return (-1);
200 }
201
202 free(dev_info->sm_vendor_name);
203 free(dev_info->sm_product_name);
204 free(dev_info->sm_firmware_version);
205 return (0);
206 }
207