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1 | fc01f7e7 | bellard | /*
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2 | fc01f7e7 | bellard | * QEMU System Emulator block driver
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3 | fc01f7e7 | bellard | *
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4 | fc01f7e7 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | fc01f7e7 | bellard | *
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6 | fc01f7e7 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | fc01f7e7 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | fc01f7e7 | bellard | * in the Software without restriction, including without limitation the rights
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9 | fc01f7e7 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | fc01f7e7 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | fc01f7e7 | bellard | * furnished to do so, subject to the following conditions:
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12 | fc01f7e7 | bellard | *
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13 | fc01f7e7 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | fc01f7e7 | bellard | * all copies or substantial portions of the Software.
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15 | fc01f7e7 | bellard | *
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16 | fc01f7e7 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | fc01f7e7 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | fc01f7e7 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | fc01f7e7 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | fc01f7e7 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | fc01f7e7 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | fc01f7e7 | bellard | * THE SOFTWARE.
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23 | fc01f7e7 | bellard | */
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24 | fc01f7e7 | bellard | #include "vl.h" |
25 | ea2384d3 | bellard | #include "block_int.h" |
26 | fc01f7e7 | bellard | |
27 | 7674e7bf | bellard | #ifdef _BSD
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28 | 7674e7bf | bellard | #include <sys/types.h> |
29 | 7674e7bf | bellard | #include <sys/stat.h> |
30 | 7674e7bf | bellard | #include <sys/ioctl.h> |
31 | 7674e7bf | bellard | #include <sys/queue.h> |
32 | 7674e7bf | bellard | #include <sys/disk.h> |
33 | 7674e7bf | bellard | #endif
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34 | 7674e7bf | bellard | |
35 | 3b0d4f61 | bellard | #ifdef CONFIG_COCOA
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36 | 3b0d4f61 | bellard | #include <paths.h> |
37 | 3b0d4f61 | bellard | #include <sys/param.h> |
38 | 3b0d4f61 | bellard | #include <IOKit/IOKitLib.h> |
39 | 3b0d4f61 | bellard | #include <IOKit/IOBSD.h> |
40 | 3b0d4f61 | bellard | #include <IOKit/storage/IOMediaBSDClient.h> |
41 | 3b0d4f61 | bellard | #include <IOKit/storage/IOMedia.h> |
42 | 3b0d4f61 | bellard | #include <IOKit/storage/IOCDMedia.h> |
43 | 3b0d4f61 | bellard | //#include <IOKit/storage/IOCDTypes.h>
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44 | 3b0d4f61 | bellard | #include <CoreFoundation/CoreFoundation.h> |
45 | 3b0d4f61 | bellard | #endif
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46 | 3b0d4f61 | bellard | |
47 | b338082b | bellard | static BlockDriverState *bdrv_first;
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48 | ea2384d3 | bellard | static BlockDriver *first_drv;
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49 | ea2384d3 | bellard | |
50 | 3b0d4f61 | bellard | #ifdef CONFIG_COCOA
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51 | 3b0d4f61 | bellard | static kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator );
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52 | 3b0d4f61 | bellard | static kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize ); |
53 | 3b0d4f61 | bellard | |
54 | 3b0d4f61 | bellard | kern_return_t FindEjectableCDMedia( io_iterator_t *mediaIterator ) |
55 | 3b0d4f61 | bellard | { |
56 | 3b0d4f61 | bellard | kern_return_t kernResult; |
57 | 3b0d4f61 | bellard | mach_port_t masterPort; |
58 | 3b0d4f61 | bellard | CFMutableDictionaryRef classesToMatch; |
59 | 3b0d4f61 | bellard | |
60 | 3b0d4f61 | bellard | kernResult = IOMasterPort( MACH_PORT_NULL, &masterPort ); |
61 | 3b0d4f61 | bellard | if ( KERN_SUCCESS != kernResult ) {
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62 | 3b0d4f61 | bellard | printf( "IOMasterPort returned %d\n", kernResult );
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63 | 3b0d4f61 | bellard | } |
64 | 3b0d4f61 | bellard | |
65 | 3b0d4f61 | bellard | classesToMatch = IOServiceMatching( kIOCDMediaClass ); |
66 | 3b0d4f61 | bellard | if ( classesToMatch == NULL ) { |
67 | 3b0d4f61 | bellard | printf( "IOServiceMatching returned a NULL dictionary.\n" );
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68 | 3b0d4f61 | bellard | } else {
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69 | 3b0d4f61 | bellard | CFDictionarySetValue( classesToMatch, CFSTR( kIOMediaEjectableKey ), kCFBooleanTrue ); |
70 | 3b0d4f61 | bellard | } |
71 | 3b0d4f61 | bellard | kernResult = IOServiceGetMatchingServices( masterPort, classesToMatch, mediaIterator ); |
72 | 3b0d4f61 | bellard | if ( KERN_SUCCESS != kernResult )
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73 | 3b0d4f61 | bellard | { |
74 | 3b0d4f61 | bellard | printf( "IOServiceGetMatchingServices returned %d\n", kernResult );
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75 | 3b0d4f61 | bellard | } |
76 | 3b0d4f61 | bellard | |
77 | 3b0d4f61 | bellard | return kernResult;
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78 | 3b0d4f61 | bellard | } |
79 | 3b0d4f61 | bellard | |
80 | 3b0d4f61 | bellard | kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex maxPathSize )
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81 | 3b0d4f61 | bellard | { |
82 | 3b0d4f61 | bellard | io_object_t nextMedia; |
83 | 3b0d4f61 | bellard | kern_return_t kernResult = KERN_FAILURE; |
84 | 3b0d4f61 | bellard | *bsdPath = '\0';
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85 | 3b0d4f61 | bellard | nextMedia = IOIteratorNext( mediaIterator ); |
86 | 3b0d4f61 | bellard | if ( nextMedia )
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87 | 3b0d4f61 | bellard | { |
88 | 3b0d4f61 | bellard | CFTypeRef bsdPathAsCFString; |
89 | 3b0d4f61 | bellard | bsdPathAsCFString = IORegistryEntryCreateCFProperty( nextMedia, CFSTR( kIOBSDNameKey ), kCFAllocatorDefault, 0 );
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90 | 3b0d4f61 | bellard | if ( bsdPathAsCFString ) {
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91 | 3b0d4f61 | bellard | size_t devPathLength; |
92 | 3b0d4f61 | bellard | strcpy( bsdPath, _PATH_DEV ); |
93 | 3b0d4f61 | bellard | strcat( bsdPath, "r" );
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94 | 3b0d4f61 | bellard | devPathLength = strlen( bsdPath ); |
95 | 3b0d4f61 | bellard | if ( CFStringGetCString( bsdPathAsCFString, bsdPath + devPathLength, maxPathSize - devPathLength, kCFStringEncodingASCII ) ) {
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96 | 3b0d4f61 | bellard | kernResult = KERN_SUCCESS; |
97 | 3b0d4f61 | bellard | } |
98 | 3b0d4f61 | bellard | CFRelease( bsdPathAsCFString ); |
99 | 3b0d4f61 | bellard | } |
100 | 3b0d4f61 | bellard | IOObjectRelease( nextMedia ); |
101 | 3b0d4f61 | bellard | } |
102 | 3b0d4f61 | bellard | |
103 | 3b0d4f61 | bellard | return kernResult;
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104 | 3b0d4f61 | bellard | } |
105 | 3b0d4f61 | bellard | |
106 | 3b0d4f61 | bellard | #endif
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107 | 3b0d4f61 | bellard | |
108 | ea2384d3 | bellard | void bdrv_register(BlockDriver *bdrv)
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109 | ea2384d3 | bellard | { |
110 | ea2384d3 | bellard | bdrv->next = first_drv; |
111 | ea2384d3 | bellard | first_drv = bdrv; |
112 | ea2384d3 | bellard | } |
113 | b338082b | bellard | |
114 | b338082b | bellard | /* create a new block device (by default it is empty) */
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115 | b338082b | bellard | BlockDriverState *bdrv_new(const char *device_name) |
116 | b338082b | bellard | { |
117 | b338082b | bellard | BlockDriverState **pbs, *bs; |
118 | b338082b | bellard | |
119 | b338082b | bellard | bs = qemu_mallocz(sizeof(BlockDriverState));
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120 | b338082b | bellard | if(!bs)
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121 | b338082b | bellard | return NULL; |
122 | b338082b | bellard | pstrcpy(bs->device_name, sizeof(bs->device_name), device_name);
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123 | ea2384d3 | bellard | if (device_name[0] != '\0') { |
124 | ea2384d3 | bellard | /* insert at the end */
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125 | ea2384d3 | bellard | pbs = &bdrv_first; |
126 | ea2384d3 | bellard | while (*pbs != NULL) |
127 | ea2384d3 | bellard | pbs = &(*pbs)->next; |
128 | ea2384d3 | bellard | *pbs = bs; |
129 | ea2384d3 | bellard | } |
130 | b338082b | bellard | return bs;
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131 | b338082b | bellard | } |
132 | b338082b | bellard | |
133 | ea2384d3 | bellard | BlockDriver *bdrv_find_format(const char *format_name) |
134 | ea2384d3 | bellard | { |
135 | ea2384d3 | bellard | BlockDriver *drv1; |
136 | ea2384d3 | bellard | for(drv1 = first_drv; drv1 != NULL; drv1 = drv1->next) { |
137 | ea2384d3 | bellard | if (!strcmp(drv1->format_name, format_name))
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138 | ea2384d3 | bellard | return drv1;
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139 | ea2384d3 | bellard | } |
140 | ea2384d3 | bellard | return NULL; |
141 | ea2384d3 | bellard | } |
142 | ea2384d3 | bellard | |
143 | ea2384d3 | bellard | int bdrv_create(BlockDriver *drv,
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144 | ea2384d3 | bellard | const char *filename, int64_t size_in_sectors, |
145 | ea2384d3 | bellard | const char *backing_file, int flags) |
146 | ea2384d3 | bellard | { |
147 | ea2384d3 | bellard | if (!drv->bdrv_create)
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148 | ea2384d3 | bellard | return -ENOTSUP;
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149 | ea2384d3 | bellard | return drv->bdrv_create(filename, size_in_sectors, backing_file, flags);
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150 | ea2384d3 | bellard | } |
151 | ea2384d3 | bellard | |
152 | d5249393 | bellard | #ifdef _WIN32
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153 | 95389c86 | bellard | void get_tmp_filename(char *filename, int size) |
154 | d5249393 | bellard | { |
155 | 95389c86 | bellard | char* p = strrchr(filename, '/'); |
156 | 95389c86 | bellard | |
157 | 95389c86 | bellard | if (p == NULL) |
158 | 95389c86 | bellard | return;
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159 | 95389c86 | bellard | |
160 | d5249393 | bellard | /* XXX: find a better function */
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161 | 95389c86 | bellard | tmpnam(p); |
162 | 95389c86 | bellard | *p = '/';
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163 | d5249393 | bellard | } |
164 | d5249393 | bellard | #else
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165 | 95389c86 | bellard | void get_tmp_filename(char *filename, int size) |
166 | fc01f7e7 | bellard | { |
167 | 67b915a5 | bellard | int fd;
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168 | d5249393 | bellard | /* XXX: race condition possible */
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169 | ea2384d3 | bellard | pstrcpy(filename, size, "/tmp/vl.XXXXXX");
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170 | ea2384d3 | bellard | fd = mkstemp(filename); |
171 | ea2384d3 | bellard | close(fd); |
172 | ea2384d3 | bellard | } |
173 | d5249393 | bellard | #endif
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174 | fc01f7e7 | bellard | |
175 | 7674e7bf | bellard | /* XXX: force raw format if block or character device ? It would
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176 | 7674e7bf | bellard | simplify the BSD case */
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177 | ea2384d3 | bellard | static BlockDriver *find_image_format(const char *filename) |
178 | ea2384d3 | bellard | { |
179 | ea2384d3 | bellard | int fd, ret, score, score_max;
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180 | ea2384d3 | bellard | BlockDriver *drv1, *drv; |
181 | 7674e7bf | bellard | uint8_t *buf; |
182 | 7674e7bf | bellard | size_t bufsize = 1024;
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183 | 33e3963e | bellard | |
184 | ea2384d3 | bellard | fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE); |
185 | 712e7874 | bellard | if (fd < 0) { |
186 | 712e7874 | bellard | buf = NULL;
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187 | 712e7874 | bellard | ret = 0;
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188 | 712e7874 | bellard | } else {
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189 | 7674e7bf | bellard | #ifdef DIOCGSECTORSIZE
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190 | 712e7874 | bellard | { |
191 | 712e7874 | bellard | unsigned int sectorsize = 512; |
192 | 712e7874 | bellard | if (!ioctl(fd, DIOCGSECTORSIZE, §orsize) &&
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193 | 712e7874 | bellard | sectorsize > bufsize) |
194 | 712e7874 | bellard | bufsize = sectorsize; |
195 | 712e7874 | bellard | } |
196 | 7674e7bf | bellard | #endif
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197 | 3b0d4f61 | bellard | #ifdef CONFIG_COCOA
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198 | 3b0d4f61 | bellard | u_int32_t blockSize = 512;
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199 | 3b0d4f61 | bellard | if ( !ioctl( fd, DKIOCGETBLOCKSIZE, &blockSize ) && blockSize > bufsize) {
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200 | 3b0d4f61 | bellard | bufsize = blockSize; |
201 | 3b0d4f61 | bellard | } |
202 | 3b0d4f61 | bellard | #endif
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203 | 712e7874 | bellard | buf = qemu_malloc(bufsize); |
204 | 712e7874 | bellard | if (!buf)
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205 | 712e7874 | bellard | return NULL; |
206 | 712e7874 | bellard | ret = read(fd, buf, bufsize); |
207 | 712e7874 | bellard | if (ret < 0) { |
208 | 712e7874 | bellard | close(fd); |
209 | 712e7874 | bellard | qemu_free(buf); |
210 | 712e7874 | bellard | return NULL; |
211 | 712e7874 | bellard | } |
212 | ea2384d3 | bellard | close(fd); |
213 | ea2384d3 | bellard | } |
214 | ea2384d3 | bellard | |
215 | ea2384d3 | bellard | drv = NULL;
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216 | ea2384d3 | bellard | score_max = 0;
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217 | ea2384d3 | bellard | for(drv1 = first_drv; drv1 != NULL; drv1 = drv1->next) { |
218 | ea2384d3 | bellard | score = drv1->bdrv_probe(buf, ret, filename); |
219 | ea2384d3 | bellard | if (score > score_max) {
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220 | ea2384d3 | bellard | score_max = score; |
221 | ea2384d3 | bellard | drv = drv1; |
222 | 0849bf08 | bellard | } |
223 | fc01f7e7 | bellard | } |
224 | 712e7874 | bellard | qemu_free(buf); |
225 | ea2384d3 | bellard | return drv;
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226 | ea2384d3 | bellard | } |
227 | ea2384d3 | bellard | |
228 | ea2384d3 | bellard | int bdrv_open(BlockDriverState *bs, const char *filename, int snapshot) |
229 | ea2384d3 | bellard | { |
230 | 3b0d4f61 | bellard | #ifdef CONFIG_COCOA
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231 | 3b0d4f61 | bellard | if ( strncmp( filename, "/dev/cdrom", 10 ) == 0 ) { |
232 | 3b0d4f61 | bellard | kern_return_t kernResult; |
233 | 3b0d4f61 | bellard | io_iterator_t mediaIterator; |
234 | 3b0d4f61 | bellard | char bsdPath[ MAXPATHLEN ];
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235 | 3b0d4f61 | bellard | int fd;
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236 | 3b0d4f61 | bellard | |
237 | 3b0d4f61 | bellard | kernResult = FindEjectableCDMedia( &mediaIterator ); |
238 | 3b0d4f61 | bellard | kernResult = GetBSDPath( mediaIterator, bsdPath, sizeof( bsdPath ) );
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239 | 3b0d4f61 | bellard | |
240 | 3b0d4f61 | bellard | if ( bsdPath[ 0 ] != '\0' ) { |
241 | 3b0d4f61 | bellard | strcat(bsdPath,"s0");
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242 | 3b0d4f61 | bellard | /* some CDs don't have a partition 0 */
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243 | 3b0d4f61 | bellard | fd = open(bsdPath, O_RDONLY | O_BINARY | O_LARGEFILE); |
244 | 3b0d4f61 | bellard | if (fd < 0) { |
245 | 3b0d4f61 | bellard | bsdPath[strlen(bsdPath)-1] = '1'; |
246 | 3b0d4f61 | bellard | } else {
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247 | 3b0d4f61 | bellard | close(fd); |
248 | 3b0d4f61 | bellard | } |
249 | 3b0d4f61 | bellard | filename = bsdPath; |
250 | 3b0d4f61 | bellard | } |
251 | 3b0d4f61 | bellard | |
252 | 3b0d4f61 | bellard | if ( mediaIterator )
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253 | 3b0d4f61 | bellard | IOObjectRelease( mediaIterator ); |
254 | 3b0d4f61 | bellard | } |
255 | 3b0d4f61 | bellard | #endif
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256 | ea2384d3 | bellard | return bdrv_open2(bs, filename, snapshot, NULL); |
257 | ea2384d3 | bellard | } |
258 | ea2384d3 | bellard | |
259 | ea2384d3 | bellard | int bdrv_open2(BlockDriverState *bs, const char *filename, int snapshot, |
260 | ea2384d3 | bellard | BlockDriver *drv) |
261 | ea2384d3 | bellard | { |
262 | ea2384d3 | bellard | int ret;
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263 | ea2384d3 | bellard | char tmp_filename[1024]; |
264 | ea2384d3 | bellard | |
265 | ea2384d3 | bellard | bs->read_only = 0;
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266 | ea2384d3 | bellard | bs->is_temporary = 0;
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267 | ea2384d3 | bellard | bs->encrypted = 0;
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268 | 712e7874 | bellard | |
269 | ea2384d3 | bellard | if (snapshot) {
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270 | ea2384d3 | bellard | BlockDriverState *bs1; |
271 | ea2384d3 | bellard | int64_t total_size; |
272 | ea2384d3 | bellard | |
273 | ea2384d3 | bellard | /* if snapshot, we create a temporary backing file and open it
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274 | ea2384d3 | bellard | instead of opening 'filename' directly */
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275 | 33e3963e | bellard | |
276 | ea2384d3 | bellard | /* if there is a backing file, use it */
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277 | ea2384d3 | bellard | bs1 = bdrv_new("");
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278 | ea2384d3 | bellard | if (!bs1) {
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279 | ea2384d3 | bellard | return -1; |
280 | ea2384d3 | bellard | } |
281 | ea2384d3 | bellard | if (bdrv_open(bs1, filename, 0) < 0) { |
282 | ea2384d3 | bellard | bdrv_delete(bs1); |
283 | ea2384d3 | bellard | return -1; |
284 | ea2384d3 | bellard | } |
285 | ea2384d3 | bellard | total_size = bs1->total_sectors; |
286 | ea2384d3 | bellard | bdrv_delete(bs1); |
287 | ea2384d3 | bellard | |
288 | ea2384d3 | bellard | get_tmp_filename(tmp_filename, sizeof(tmp_filename));
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289 | ea2384d3 | bellard | /* XXX: use cow for linux as it is more efficient ? */
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290 | ea2384d3 | bellard | if (bdrv_create(&bdrv_qcow, tmp_filename,
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291 | ea2384d3 | bellard | total_size, filename, 0) < 0) { |
292 | ea2384d3 | bellard | return -1; |
293 | ea2384d3 | bellard | } |
294 | ea2384d3 | bellard | filename = tmp_filename; |
295 | ea2384d3 | bellard | bs->is_temporary = 1;
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296 | ea2384d3 | bellard | } |
297 | 712e7874 | bellard | |
298 | ea2384d3 | bellard | pstrcpy(bs->filename, sizeof(bs->filename), filename);
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299 | ea2384d3 | bellard | if (!drv) {
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300 | ea2384d3 | bellard | drv = find_image_format(filename); |
301 | ea2384d3 | bellard | if (!drv)
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302 | ea2384d3 | bellard | return -1; |
303 | ea2384d3 | bellard | } |
304 | ea2384d3 | bellard | bs->drv = drv; |
305 | ea2384d3 | bellard | bs->opaque = qemu_mallocz(drv->instance_size); |
306 | ea2384d3 | bellard | if (bs->opaque == NULL && drv->instance_size > 0) |
307 | ea2384d3 | bellard | return -1; |
308 | ea2384d3 | bellard | |
309 | ea2384d3 | bellard | ret = drv->bdrv_open(bs, filename); |
310 | ea2384d3 | bellard | if (ret < 0) { |
311 | ea2384d3 | bellard | qemu_free(bs->opaque); |
312 | ea2384d3 | bellard | return -1; |
313 | 33e3963e | bellard | } |
314 | 67b915a5 | bellard | #ifndef _WIN32
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315 | ea2384d3 | bellard | if (bs->is_temporary) {
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316 | ea2384d3 | bellard | unlink(filename); |
317 | ea2384d3 | bellard | } |
318 | ea2384d3 | bellard | #endif
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319 | ea2384d3 | bellard | if (bs->backing_file[0] != '\0' && drv->bdrv_is_allocated) { |
320 | ea2384d3 | bellard | /* if there is a backing file, use it */
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321 | ea2384d3 | bellard | bs->backing_hd = bdrv_new("");
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322 | ea2384d3 | bellard | if (!bs->backing_hd) {
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323 | ea2384d3 | bellard | fail:
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324 | ea2384d3 | bellard | bdrv_close(bs); |
325 | ea2384d3 | bellard | return -1; |
326 | 33e3963e | bellard | } |
327 | ea2384d3 | bellard | if (bdrv_open(bs->backing_hd, bs->backing_file, 0) < 0) |
328 | 33e3963e | bellard | goto fail;
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329 | 33e3963e | bellard | } |
330 | 33e3963e | bellard | |
331 | b338082b | bellard | bs->inserted = 1;
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332 | b338082b | bellard | |
333 | b338082b | bellard | /* call the change callback */
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334 | b338082b | bellard | if (bs->change_cb)
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335 | b338082b | bellard | bs->change_cb(bs->change_opaque); |
336 | b338082b | bellard | |
337 | b338082b | bellard | return 0; |
338 | fc01f7e7 | bellard | } |
339 | fc01f7e7 | bellard | |
340 | fc01f7e7 | bellard | void bdrv_close(BlockDriverState *bs)
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341 | fc01f7e7 | bellard | { |
342 | b338082b | bellard | if (bs->inserted) {
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343 | ea2384d3 | bellard | if (bs->backing_hd)
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344 | ea2384d3 | bellard | bdrv_delete(bs->backing_hd); |
345 | ea2384d3 | bellard | bs->drv->bdrv_close(bs); |
346 | ea2384d3 | bellard | qemu_free(bs->opaque); |
347 | ea2384d3 | bellard | #ifdef _WIN32
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348 | ea2384d3 | bellard | if (bs->is_temporary) {
|
349 | ea2384d3 | bellard | unlink(bs->filename); |
350 | ea2384d3 | bellard | } |
351 | 67b915a5 | bellard | #endif
|
352 | ea2384d3 | bellard | bs->opaque = NULL;
|
353 | ea2384d3 | bellard | bs->drv = NULL;
|
354 | b338082b | bellard | bs->inserted = 0;
|
355 | b338082b | bellard | |
356 | b338082b | bellard | /* call the change callback */
|
357 | b338082b | bellard | if (bs->change_cb)
|
358 | b338082b | bellard | bs->change_cb(bs->change_opaque); |
359 | b338082b | bellard | } |
360 | b338082b | bellard | } |
361 | b338082b | bellard | |
362 | b338082b | bellard | void bdrv_delete(BlockDriverState *bs)
|
363 | b338082b | bellard | { |
364 | ea2384d3 | bellard | /* XXX: remove the driver list */
|
365 | b338082b | bellard | bdrv_close(bs); |
366 | b338082b | bellard | qemu_free(bs); |
367 | fc01f7e7 | bellard | } |
368 | fc01f7e7 | bellard | |
369 | 33e3963e | bellard | /* commit COW file into the raw image */
|
370 | 33e3963e | bellard | int bdrv_commit(BlockDriverState *bs)
|
371 | 33e3963e | bellard | { |
372 | 33e3963e | bellard | int64_t i; |
373 | ea2384d3 | bellard | int n, j;
|
374 | ea2384d3 | bellard | unsigned char sector[512]; |
375 | 33e3963e | bellard | |
376 | b338082b | bellard | if (!bs->inserted)
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377 | ea2384d3 | bellard | return -ENOENT;
|
378 | 33e3963e | bellard | |
379 | 33e3963e | bellard | if (bs->read_only) {
|
380 | ea2384d3 | bellard | return -EACCES;
|
381 | 33e3963e | bellard | } |
382 | 33e3963e | bellard | |
383 | ea2384d3 | bellard | if (!bs->backing_hd) {
|
384 | ea2384d3 | bellard | return -ENOTSUP;
|
385 | ea2384d3 | bellard | } |
386 | 33e3963e | bellard | |
387 | ea2384d3 | bellard | for (i = 0; i < bs->total_sectors;) { |
388 | ea2384d3 | bellard | if (bs->drv->bdrv_is_allocated(bs, i, 65536, &n)) { |
389 | ea2384d3 | bellard | for(j = 0; j < n; j++) { |
390 | ea2384d3 | bellard | if (bdrv_read(bs, i, sector, 1) != 0) { |
391 | ea2384d3 | bellard | return -EIO;
|
392 | ea2384d3 | bellard | } |
393 | ea2384d3 | bellard | |
394 | ea2384d3 | bellard | if (bdrv_write(bs->backing_hd, i, sector, 1) != 0) { |
395 | ea2384d3 | bellard | return -EIO;
|
396 | ea2384d3 | bellard | } |
397 | ea2384d3 | bellard | i++; |
398 | 33e3963e | bellard | } |
399 | ea2384d3 | bellard | } else {
|
400 | ea2384d3 | bellard | i += n; |
401 | ea2384d3 | bellard | } |
402 | 33e3963e | bellard | } |
403 | 95389c86 | bellard | |
404 | 95389c86 | bellard | if (bs->drv->bdrv_make_empty)
|
405 | 95389c86 | bellard | return bs->drv->bdrv_make_empty(bs);
|
406 | 95389c86 | bellard | |
407 | 33e3963e | bellard | return 0; |
408 | 33e3963e | bellard | } |
409 | 33e3963e | bellard | |
410 | fc01f7e7 | bellard | /* return -1 if error */
|
411 | fc01f7e7 | bellard | int bdrv_read(BlockDriverState *bs, int64_t sector_num,
|
412 | fc01f7e7 | bellard | uint8_t *buf, int nb_sectors)
|
413 | fc01f7e7 | bellard | { |
414 | ea2384d3 | bellard | int ret, n;
|
415 | ea2384d3 | bellard | BlockDriver *drv = bs->drv; |
416 | ea2384d3 | bellard | |
417 | b338082b | bellard | if (!bs->inserted)
|
418 | b338082b | bellard | return -1; |
419 | b338082b | bellard | |
420 | 33e3963e | bellard | while (nb_sectors > 0) { |
421 | ea2384d3 | bellard | if (sector_num == 0 && bs->boot_sector_enabled) { |
422 | cf98951b | bellard | memcpy(buf, bs->boot_sector_data, 512);
|
423 | cf98951b | bellard | n = 1;
|
424 | ea2384d3 | bellard | } else if (bs->backing_hd) { |
425 | ea2384d3 | bellard | if (drv->bdrv_is_allocated(bs, sector_num, nb_sectors, &n)) {
|
426 | ea2384d3 | bellard | ret = drv->bdrv_read(bs, sector_num, buf, n); |
427 | ea2384d3 | bellard | if (ret < 0) |
428 | ea2384d3 | bellard | return -1; |
429 | ea2384d3 | bellard | } else {
|
430 | ea2384d3 | bellard | /* read from the base image */
|
431 | ea2384d3 | bellard | ret = bdrv_read(bs->backing_hd, sector_num, buf, n); |
432 | ea2384d3 | bellard | if (ret < 0) |
433 | ea2384d3 | bellard | return -1; |
434 | ea2384d3 | bellard | } |
435 | 33e3963e | bellard | } else {
|
436 | ea2384d3 | bellard | ret = drv->bdrv_read(bs, sector_num, buf, nb_sectors); |
437 | ea2384d3 | bellard | if (ret < 0) |
438 | 33e3963e | bellard | return -1; |
439 | ea2384d3 | bellard | /* no need to loop */
|
440 | ea2384d3 | bellard | break;
|
441 | 33e3963e | bellard | } |
442 | 33e3963e | bellard | nb_sectors -= n; |
443 | 33e3963e | bellard | sector_num += n; |
444 | 33e3963e | bellard | buf += n * 512;
|
445 | 33e3963e | bellard | } |
446 | 33e3963e | bellard | return 0; |
447 | fc01f7e7 | bellard | } |
448 | fc01f7e7 | bellard | |
449 | fc01f7e7 | bellard | /* return -1 if error */
|
450 | fc01f7e7 | bellard | int bdrv_write(BlockDriverState *bs, int64_t sector_num,
|
451 | fc01f7e7 | bellard | const uint8_t *buf, int nb_sectors) |
452 | fc01f7e7 | bellard | { |
453 | b338082b | bellard | if (!bs->inserted)
|
454 | b338082b | bellard | return -1; |
455 | 0849bf08 | bellard | if (bs->read_only)
|
456 | 0849bf08 | bellard | return -1; |
457 | 79639d42 | bellard | if (sector_num == 0 && bs->boot_sector_enabled && nb_sectors > 0) { |
458 | 79639d42 | bellard | memcpy(bs->boot_sector_data, buf, 512);
|
459 | 79639d42 | bellard | } |
460 | ea2384d3 | bellard | return bs->drv->bdrv_write(bs, sector_num, buf, nb_sectors);
|
461 | fc01f7e7 | bellard | } |
462 | fc01f7e7 | bellard | |
463 | fc01f7e7 | bellard | void bdrv_get_geometry(BlockDriverState *bs, int64_t *nb_sectors_ptr)
|
464 | fc01f7e7 | bellard | { |
465 | fc01f7e7 | bellard | *nb_sectors_ptr = bs->total_sectors; |
466 | fc01f7e7 | bellard | } |
467 | cf98951b | bellard | |
468 | cf98951b | bellard | /* force a given boot sector. */
|
469 | cf98951b | bellard | void bdrv_set_boot_sector(BlockDriverState *bs, const uint8_t *data, int size) |
470 | cf98951b | bellard | { |
471 | cf98951b | bellard | bs->boot_sector_enabled = 1;
|
472 | cf98951b | bellard | if (size > 512) |
473 | cf98951b | bellard | size = 512;
|
474 | cf98951b | bellard | memcpy(bs->boot_sector_data, data, size); |
475 | cf98951b | bellard | memset(bs->boot_sector_data + size, 0, 512 - size); |
476 | cf98951b | bellard | } |
477 | b338082b | bellard | |
478 | b338082b | bellard | void bdrv_set_geometry_hint(BlockDriverState *bs,
|
479 | b338082b | bellard | int cyls, int heads, int secs) |
480 | b338082b | bellard | { |
481 | b338082b | bellard | bs->cyls = cyls; |
482 | b338082b | bellard | bs->heads = heads; |
483 | b338082b | bellard | bs->secs = secs; |
484 | b338082b | bellard | } |
485 | b338082b | bellard | |
486 | b338082b | bellard | void bdrv_set_type_hint(BlockDriverState *bs, int type) |
487 | b338082b | bellard | { |
488 | b338082b | bellard | bs->type = type; |
489 | b338082b | bellard | bs->removable = ((type == BDRV_TYPE_CDROM || |
490 | b338082b | bellard | type == BDRV_TYPE_FLOPPY)); |
491 | b338082b | bellard | } |
492 | b338082b | bellard | |
493 | 46d4767d | bellard | void bdrv_set_translation_hint(BlockDriverState *bs, int translation) |
494 | 46d4767d | bellard | { |
495 | 46d4767d | bellard | bs->translation = translation; |
496 | 46d4767d | bellard | } |
497 | 46d4767d | bellard | |
498 | b338082b | bellard | void bdrv_get_geometry_hint(BlockDriverState *bs,
|
499 | b338082b | bellard | int *pcyls, int *pheads, int *psecs) |
500 | b338082b | bellard | { |
501 | b338082b | bellard | *pcyls = bs->cyls; |
502 | b338082b | bellard | *pheads = bs->heads; |
503 | b338082b | bellard | *psecs = bs->secs; |
504 | b338082b | bellard | } |
505 | b338082b | bellard | |
506 | b338082b | bellard | int bdrv_get_type_hint(BlockDriverState *bs)
|
507 | b338082b | bellard | { |
508 | b338082b | bellard | return bs->type;
|
509 | b338082b | bellard | } |
510 | b338082b | bellard | |
511 | 46d4767d | bellard | int bdrv_get_translation_hint(BlockDriverState *bs)
|
512 | 46d4767d | bellard | { |
513 | 46d4767d | bellard | return bs->translation;
|
514 | 46d4767d | bellard | } |
515 | 46d4767d | bellard | |
516 | b338082b | bellard | int bdrv_is_removable(BlockDriverState *bs)
|
517 | b338082b | bellard | { |
518 | b338082b | bellard | return bs->removable;
|
519 | b338082b | bellard | } |
520 | b338082b | bellard | |
521 | b338082b | bellard | int bdrv_is_read_only(BlockDriverState *bs)
|
522 | b338082b | bellard | { |
523 | b338082b | bellard | return bs->read_only;
|
524 | b338082b | bellard | } |
525 | b338082b | bellard | |
526 | b338082b | bellard | int bdrv_is_inserted(BlockDriverState *bs)
|
527 | b338082b | bellard | { |
528 | b338082b | bellard | return bs->inserted;
|
529 | b338082b | bellard | } |
530 | b338082b | bellard | |
531 | b338082b | bellard | int bdrv_is_locked(BlockDriverState *bs)
|
532 | b338082b | bellard | { |
533 | b338082b | bellard | return bs->locked;
|
534 | b338082b | bellard | } |
535 | b338082b | bellard | |
536 | b338082b | bellard | void bdrv_set_locked(BlockDriverState *bs, int locked) |
537 | b338082b | bellard | { |
538 | b338082b | bellard | bs->locked = locked; |
539 | b338082b | bellard | } |
540 | b338082b | bellard | |
541 | b338082b | bellard | void bdrv_set_change_cb(BlockDriverState *bs,
|
542 | b338082b | bellard | void (*change_cb)(void *opaque), void *opaque) |
543 | b338082b | bellard | { |
544 | b338082b | bellard | bs->change_cb = change_cb; |
545 | b338082b | bellard | bs->change_opaque = opaque; |
546 | b338082b | bellard | } |
547 | b338082b | bellard | |
548 | ea2384d3 | bellard | int bdrv_is_encrypted(BlockDriverState *bs)
|
549 | ea2384d3 | bellard | { |
550 | ea2384d3 | bellard | if (bs->backing_hd && bs->backing_hd->encrypted)
|
551 | ea2384d3 | bellard | return 1; |
552 | ea2384d3 | bellard | return bs->encrypted;
|
553 | ea2384d3 | bellard | } |
554 | ea2384d3 | bellard | |
555 | ea2384d3 | bellard | int bdrv_set_key(BlockDriverState *bs, const char *key) |
556 | ea2384d3 | bellard | { |
557 | ea2384d3 | bellard | int ret;
|
558 | ea2384d3 | bellard | if (bs->backing_hd && bs->backing_hd->encrypted) {
|
559 | ea2384d3 | bellard | ret = bdrv_set_key(bs->backing_hd, key); |
560 | ea2384d3 | bellard | if (ret < 0) |
561 | ea2384d3 | bellard | return ret;
|
562 | ea2384d3 | bellard | if (!bs->encrypted)
|
563 | ea2384d3 | bellard | return 0; |
564 | ea2384d3 | bellard | } |
565 | ea2384d3 | bellard | if (!bs->encrypted || !bs->drv || !bs->drv->bdrv_set_key)
|
566 | ea2384d3 | bellard | return -1; |
567 | ea2384d3 | bellard | return bs->drv->bdrv_set_key(bs, key);
|
568 | ea2384d3 | bellard | } |
569 | ea2384d3 | bellard | |
570 | ea2384d3 | bellard | void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size) |
571 | ea2384d3 | bellard | { |
572 | ea2384d3 | bellard | if (!bs->inserted || !bs->drv) {
|
573 | ea2384d3 | bellard | buf[0] = '\0'; |
574 | ea2384d3 | bellard | } else {
|
575 | ea2384d3 | bellard | pstrcpy(buf, buf_size, bs->drv->format_name); |
576 | ea2384d3 | bellard | } |
577 | ea2384d3 | bellard | } |
578 | ea2384d3 | bellard | |
579 | ea2384d3 | bellard | void bdrv_iterate_format(void (*it)(void *opaque, const char *name), |
580 | ea2384d3 | bellard | void *opaque)
|
581 | ea2384d3 | bellard | { |
582 | ea2384d3 | bellard | BlockDriver *drv; |
583 | ea2384d3 | bellard | |
584 | ea2384d3 | bellard | for (drv = first_drv; drv != NULL; drv = drv->next) { |
585 | ea2384d3 | bellard | it(opaque, drv->format_name); |
586 | ea2384d3 | bellard | } |
587 | ea2384d3 | bellard | } |
588 | ea2384d3 | bellard | |
589 | b338082b | bellard | BlockDriverState *bdrv_find(const char *name) |
590 | b338082b | bellard | { |
591 | b338082b | bellard | BlockDriverState *bs; |
592 | b338082b | bellard | |
593 | b338082b | bellard | for (bs = bdrv_first; bs != NULL; bs = bs->next) { |
594 | b338082b | bellard | if (!strcmp(name, bs->device_name))
|
595 | b338082b | bellard | return bs;
|
596 | b338082b | bellard | } |
597 | b338082b | bellard | return NULL; |
598 | b338082b | bellard | } |
599 | b338082b | bellard | |
600 | 81d0912d | bellard | void bdrv_iterate(void (*it)(void *opaque, const char *name), void *opaque) |
601 | 81d0912d | bellard | { |
602 | 81d0912d | bellard | BlockDriverState *bs; |
603 | 81d0912d | bellard | |
604 | 81d0912d | bellard | for (bs = bdrv_first; bs != NULL; bs = bs->next) { |
605 | 81d0912d | bellard | it(opaque, bs->device_name); |
606 | 81d0912d | bellard | } |
607 | 81d0912d | bellard | } |
608 | 81d0912d | bellard | |
609 | ea2384d3 | bellard | const char *bdrv_get_device_name(BlockDriverState *bs) |
610 | ea2384d3 | bellard | { |
611 | ea2384d3 | bellard | return bs->device_name;
|
612 | ea2384d3 | bellard | } |
613 | ea2384d3 | bellard | |
614 | b338082b | bellard | void bdrv_info(void) |
615 | b338082b | bellard | { |
616 | b338082b | bellard | BlockDriverState *bs; |
617 | b338082b | bellard | |
618 | b338082b | bellard | for (bs = bdrv_first; bs != NULL; bs = bs->next) { |
619 | b338082b | bellard | term_printf("%s:", bs->device_name);
|
620 | b338082b | bellard | term_printf(" type=");
|
621 | b338082b | bellard | switch(bs->type) {
|
622 | b338082b | bellard | case BDRV_TYPE_HD:
|
623 | b338082b | bellard | term_printf("hd");
|
624 | b338082b | bellard | break;
|
625 | b338082b | bellard | case BDRV_TYPE_CDROM:
|
626 | b338082b | bellard | term_printf("cdrom");
|
627 | b338082b | bellard | break;
|
628 | b338082b | bellard | case BDRV_TYPE_FLOPPY:
|
629 | b338082b | bellard | term_printf("floppy");
|
630 | b338082b | bellard | break;
|
631 | b338082b | bellard | } |
632 | b338082b | bellard | term_printf(" removable=%d", bs->removable);
|
633 | b338082b | bellard | if (bs->removable) {
|
634 | b338082b | bellard | term_printf(" locked=%d", bs->locked);
|
635 | b338082b | bellard | } |
636 | b338082b | bellard | if (bs->inserted) {
|
637 | b338082b | bellard | term_printf(" file=%s", bs->filename);
|
638 | ea2384d3 | bellard | if (bs->backing_file[0] != '\0') |
639 | ea2384d3 | bellard | term_printf(" backing_file=%s", bs->backing_file);
|
640 | b338082b | bellard | term_printf(" ro=%d", bs->read_only);
|
641 | ea2384d3 | bellard | term_printf(" drv=%s", bs->drv->format_name);
|
642 | ea2384d3 | bellard | if (bs->encrypted)
|
643 | ea2384d3 | bellard | term_printf(" encrypted");
|
644 | b338082b | bellard | } else {
|
645 | b338082b | bellard | term_printf(" [not inserted]");
|
646 | b338082b | bellard | } |
647 | b338082b | bellard | term_printf("\n");
|
648 | b338082b | bellard | } |
649 | b338082b | bellard | } |
650 | ea2384d3 | bellard | |
651 | ea2384d3 | bellard | |
652 | ea2384d3 | bellard | /**************************************************************/
|
653 | ea2384d3 | bellard | /* RAW block driver */
|
654 | ea2384d3 | bellard | |
655 | ea2384d3 | bellard | typedef struct BDRVRawState { |
656 | ea2384d3 | bellard | int fd;
|
657 | ea2384d3 | bellard | } BDRVRawState; |
658 | ea2384d3 | bellard | |
659 | ea2384d3 | bellard | static int raw_probe(const uint8_t *buf, int buf_size, const char *filename) |
660 | ea2384d3 | bellard | { |
661 | ea2384d3 | bellard | return 1; /* maybe */ |
662 | ea2384d3 | bellard | } |
663 | ea2384d3 | bellard | |
664 | ea2384d3 | bellard | static int raw_open(BlockDriverState *bs, const char *filename) |
665 | ea2384d3 | bellard | { |
666 | ea2384d3 | bellard | BDRVRawState *s = bs->opaque; |
667 | ea2384d3 | bellard | int fd;
|
668 | ea2384d3 | bellard | int64_t size; |
669 | e5484d33 | bellard | #ifdef _BSD
|
670 | e5484d33 | bellard | struct stat sb;
|
671 | e5484d33 | bellard | #endif
|
672 | ea2384d3 | bellard | |
673 | ea2384d3 | bellard | fd = open(filename, O_RDWR | O_BINARY | O_LARGEFILE); |
674 | ea2384d3 | bellard | if (fd < 0) { |
675 | ea2384d3 | bellard | fd = open(filename, O_RDONLY | O_BINARY | O_LARGEFILE); |
676 | ea2384d3 | bellard | if (fd < 0) |
677 | ea2384d3 | bellard | return -1; |
678 | ea2384d3 | bellard | bs->read_only = 1;
|
679 | ea2384d3 | bellard | } |
680 | 7674e7bf | bellard | #ifdef _BSD
|
681 | e5484d33 | bellard | if (!fstat(fd, &sb) && (S_IFCHR & sb.st_mode)) {
|
682 | 7674e7bf | bellard | #ifdef DIOCGMEDIASIZE
|
683 | e5484d33 | bellard | if (ioctl(fd, DIOCGMEDIASIZE, (off_t *)&size))
|
684 | 7674e7bf | bellard | #endif
|
685 | 3b0d4f61 | bellard | #ifdef CONFIG_COCOA
|
686 | 3b0d4f61 | bellard | size = LONG_LONG_MAX; |
687 | 3b0d4f61 | bellard | #else
|
688 | 3b0d4f61 | bellard | size = lseek(fd, 0LL, SEEK_END);
|
689 | 3b0d4f61 | bellard | #endif
|
690 | 7674e7bf | bellard | } else
|
691 | 7674e7bf | bellard | #endif
|
692 | 7674e7bf | bellard | { |
693 | 7674e7bf | bellard | size = lseek(fd, 0, SEEK_END);
|
694 | 7674e7bf | bellard | } |
695 | c747cd1f | bellard | #ifdef _WIN32
|
696 | c747cd1f | bellard | /* On Windows hosts it can happen that we're unable to get file size
|
697 | c747cd1f | bellard | for CD-ROM raw device (it's inherent limitation of the CDFS driver). */
|
698 | c747cd1f | bellard | if (size == -1) |
699 | c747cd1f | bellard | size = LONG_LONG_MAX; |
700 | c747cd1f | bellard | #endif
|
701 | ea2384d3 | bellard | bs->total_sectors = size / 512;
|
702 | ea2384d3 | bellard | s->fd = fd; |
703 | ea2384d3 | bellard | return 0; |
704 | ea2384d3 | bellard | } |
705 | ea2384d3 | bellard | |
706 | ea2384d3 | bellard | static int raw_read(BlockDriverState *bs, int64_t sector_num, |
707 | ea2384d3 | bellard | uint8_t *buf, int nb_sectors)
|
708 | ea2384d3 | bellard | { |
709 | ea2384d3 | bellard | BDRVRawState *s = bs->opaque; |
710 | ea2384d3 | bellard | int ret;
|
711 | ea2384d3 | bellard | |
712 | d5249393 | bellard | lseek(s->fd, sector_num * 512, SEEK_SET);
|
713 | ea2384d3 | bellard | ret = read(s->fd, buf, nb_sectors * 512);
|
714 | ea2384d3 | bellard | if (ret != nb_sectors * 512) |
715 | ea2384d3 | bellard | return -1; |
716 | ea2384d3 | bellard | return 0; |
717 | ea2384d3 | bellard | } |
718 | ea2384d3 | bellard | |
719 | ea2384d3 | bellard | static int raw_write(BlockDriverState *bs, int64_t sector_num, |
720 | ea2384d3 | bellard | const uint8_t *buf, int nb_sectors) |
721 | ea2384d3 | bellard | { |
722 | ea2384d3 | bellard | BDRVRawState *s = bs->opaque; |
723 | ea2384d3 | bellard | int ret;
|
724 | ea2384d3 | bellard | |
725 | d5249393 | bellard | lseek(s->fd, sector_num * 512, SEEK_SET);
|
726 | ea2384d3 | bellard | ret = write(s->fd, buf, nb_sectors * 512);
|
727 | ea2384d3 | bellard | if (ret != nb_sectors * 512) |
728 | ea2384d3 | bellard | return -1; |
729 | ea2384d3 | bellard | return 0; |
730 | ea2384d3 | bellard | } |
731 | ea2384d3 | bellard | |
732 | e2731add | bellard | static void raw_close(BlockDriverState *bs) |
733 | ea2384d3 | bellard | { |
734 | ea2384d3 | bellard | BDRVRawState *s = bs->opaque; |
735 | ea2384d3 | bellard | close(s->fd); |
736 | ea2384d3 | bellard | } |
737 | ea2384d3 | bellard | |
738 | ea2384d3 | bellard | static int raw_create(const char *filename, int64_t total_size, |
739 | ea2384d3 | bellard | const char *backing_file, int flags) |
740 | ea2384d3 | bellard | { |
741 | ea2384d3 | bellard | int fd;
|
742 | ea2384d3 | bellard | |
743 | ea2384d3 | bellard | if (flags || backing_file)
|
744 | ea2384d3 | bellard | return -ENOTSUP;
|
745 | ea2384d3 | bellard | |
746 | ea2384d3 | bellard | fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY | O_LARGEFILE, |
747 | ea2384d3 | bellard | 0644);
|
748 | ea2384d3 | bellard | if (fd < 0) |
749 | ea2384d3 | bellard | return -EIO;
|
750 | d5249393 | bellard | ftruncate(fd, total_size * 512);
|
751 | ea2384d3 | bellard | close(fd); |
752 | ea2384d3 | bellard | return 0; |
753 | ea2384d3 | bellard | } |
754 | ea2384d3 | bellard | |
755 | ea2384d3 | bellard | BlockDriver bdrv_raw = { |
756 | ea2384d3 | bellard | "raw",
|
757 | ea2384d3 | bellard | sizeof(BDRVRawState),
|
758 | ea2384d3 | bellard | raw_probe, |
759 | ea2384d3 | bellard | raw_open, |
760 | ea2384d3 | bellard | raw_read, |
761 | ea2384d3 | bellard | raw_write, |
762 | ea2384d3 | bellard | raw_close, |
763 | ea2384d3 | bellard | raw_create, |
764 | ea2384d3 | bellard | }; |
765 | ea2384d3 | bellard | |
766 | ea2384d3 | bellard | void bdrv_init(void) |
767 | ea2384d3 | bellard | { |
768 | ea2384d3 | bellard | bdrv_register(&bdrv_raw); |
769 | ea2384d3 | bellard | #ifndef _WIN32
|
770 | ea2384d3 | bellard | bdrv_register(&bdrv_cow); |
771 | ea2384d3 | bellard | #endif
|
772 | ea2384d3 | bellard | bdrv_register(&bdrv_qcow); |
773 | ea2384d3 | bellard | bdrv_register(&bdrv_vmdk); |
774 | 3c56521b | bellard | bdrv_register(&bdrv_cloop); |
775 | 585d0ed9 | bellard | bdrv_register(&bdrv_dmg); |
776 | a8753c34 | bellard | bdrv_register(&bdrv_bochs); |
777 | 6a0f9e82 | bellard | bdrv_register(&bdrv_vpc); |
778 | 712e7874 | bellard | bdrv_register(&bdrv_vvfat); |
779 | ea2384d3 | bellard | } |