ggate.c (71ae6999b6b7e309df8e545ef5adf960375d848e) ggate.c (122abe0385259048f1dbfcf673fdd173cf26ea09)
1/*-
2 * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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128}
129
130off_t
131g_gate_mediasize(int fd)
132{
133 off_t mediasize;
134 struct stat sb;
135
1/*-
2 * Copyright (c) 2004 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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128}
129
130off_t
131g_gate_mediasize(int fd)
132{
133 off_t mediasize;
134 struct stat sb;
135
136 if (fstat(fd, &sb) < 0)
136 if (fstat(fd, &sb) == -1)
137 g_gate_xlog("fstat(): %s.", strerror(errno));
138 if (S_ISCHR(sb.st_mode)) {
137 g_gate_xlog("fstat(): %s.", strerror(errno));
138 if (S_ISCHR(sb.st_mode)) {
139 if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) < 0) {
139 if (ioctl(fd, DIOCGMEDIASIZE, &mediasize) == -1) {
140 g_gate_xlog("Can't get media size: %s.",
141 strerror(errno));
142 }
143 } else if (S_ISREG(sb.st_mode)) {
144 mediasize = sb.st_size;
145 } else {
146 g_gate_xlog("Unsupported file system object.");
147 }
148 return (mediasize);
149}
150
151size_t
152g_gate_sectorsize(int fd)
153{
154 size_t secsize;
155 struct stat sb;
156
140 g_gate_xlog("Can't get media size: %s.",
141 strerror(errno));
142 }
143 } else if (S_ISREG(sb.st_mode)) {
144 mediasize = sb.st_size;
145 } else {
146 g_gate_xlog("Unsupported file system object.");
147 }
148 return (mediasize);
149}
150
151size_t
152g_gate_sectorsize(int fd)
153{
154 size_t secsize;
155 struct stat sb;
156
157 if (fstat(fd, &sb) < 0)
157 if (fstat(fd, &sb) == -1)
158 g_gate_xlog("fstat(): %s.", strerror(errno));
159 if (S_ISCHR(sb.st_mode)) {
158 g_gate_xlog("fstat(): %s.", strerror(errno));
159 if (S_ISCHR(sb.st_mode)) {
160 if (ioctl(fd, DIOCGSECTORSIZE, &secsize) < 0) {
160 if (ioctl(fd, DIOCGSECTORSIZE, &secsize) == -1) {
161 g_gate_xlog("Can't get sector size: %s.",
162 strerror(errno));
163 }
164 } else if (S_ISREG(sb.st_mode)) {
165 secsize = 512;
166 } else {
167 g_gate_xlog("Unsupported file system object.");
168 }
169 return (secsize);
170}
171
172void
173g_gate_open_device(void)
174{
175
176 g_gate_devfd = open("/dev/" G_GATE_CTL_NAME, O_RDWR, 0);
161 g_gate_xlog("Can't get sector size: %s.",
162 strerror(errno));
163 }
164 } else if (S_ISREG(sb.st_mode)) {
165 secsize = 512;
166 } else {
167 g_gate_xlog("Unsupported file system object.");
168 }
169 return (secsize);
170}
171
172void
173g_gate_open_device(void)
174{
175
176 g_gate_devfd = open("/dev/" G_GATE_CTL_NAME, O_RDWR, 0);
177 if (g_gate_devfd < 0)
177 if (g_gate_devfd == -1)
178 err(EXIT_FAILURE, "open(/dev/%s)", G_GATE_CTL_NAME);
179}
180
181void
182g_gate_close_device(void)
183{
184
185 close(g_gate_devfd);
186}
187
188void
189g_gate_ioctl(unsigned long req, void *data)
190{
191
178 err(EXIT_FAILURE, "open(/dev/%s)", G_GATE_CTL_NAME);
179}
180
181void
182g_gate_close_device(void)
183{
184
185 close(g_gate_devfd);
186}
187
188void
189g_gate_ioctl(unsigned long req, void *data)
190{
191
192 if (ioctl(g_gate_devfd, req, data) < 0) {
192 if (ioctl(g_gate_devfd, req, data) == -1) {
193 g_gate_xlog("%s: ioctl(/dev/%s): %s.", getprogname(),
194 G_GATE_CTL_NAME, strerror(errno));
195 }
196}
197
198void
199g_gate_destroy(int unit, int force)
200{

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216 return (O_WRONLY);
217 return (O_RDWR);
218}
219
220void
221g_gate_load_module(void)
222{
223
193 g_gate_xlog("%s: ioctl(/dev/%s): %s.", getprogname(),
194 G_GATE_CTL_NAME, strerror(errno));
195 }
196}
197
198void
199g_gate_destroy(int unit, int force)
200{

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216 return (O_WRONLY);
217 return (O_RDWR);
218}
219
220void
221g_gate_load_module(void)
222{
223
224 if (modfind("g_gate") < 0) {
224 if (modfind("g_gate") == -1) {
225 /* Not present in kernel, try loading it. */
225 /* Not present in kernel, try loading it. */
226 if (kldload("geom_gate") < 0 || modfind("g_gate") < 0) {
226 if (kldload("geom_gate") == -1 || modfind("g_gate") == -1) {
227 if (errno != EEXIST) {
228 errx(EXIT_FAILURE,
229 "geom_gate module not available!");
230 }
231 }
232 }
233}
234

--- 101 unchanged lines hidden --- 		227 if (errno != EEXIST) {
228 errx(EXIT_FAILURE,
229 "geom_gate module not available!");
230 }
231 }
232 }
233}
234

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