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 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 60 _m_version_no(void) 61 { 62 return (SM_BLKDEV_VERSION_1); 63 } 64 65 int32_t 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 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 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 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