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1 | 223d4670 | ths | /*
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2 | 223d4670 | ths | * Block driver for RAW files (win32)
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3 | 223d4670 | ths | *
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4 | 223d4670 | ths | * Copyright (c) 2006 Fabrice Bellard
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5 | 223d4670 | ths | *
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6 | 223d4670 | ths | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 223d4670 | ths | * of this software and associated documentation files (the "Software"), to deal
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8 | 223d4670 | ths | * in the Software without restriction, including without limitation the rights
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9 | 223d4670 | ths | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 223d4670 | ths | * copies of the Software, and to permit persons to whom the Software is
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11 | 223d4670 | ths | * furnished to do so, subject to the following conditions:
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12 | 223d4670 | ths | *
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13 | 223d4670 | ths | * The above copyright notice and this permission notice shall be included in
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14 | 223d4670 | ths | * all copies or substantial portions of the Software.
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15 | 223d4670 | ths | *
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16 | 223d4670 | ths | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 223d4670 | ths | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 223d4670 | ths | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 223d4670 | ths | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 223d4670 | ths | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 223d4670 | ths | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 223d4670 | ths | * THE SOFTWARE.
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23 | 223d4670 | ths | */
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24 | 223d4670 | ths | #include "qemu-common.h" |
25 | 223d4670 | ths | #include "qemu-timer.h" |
26 | 223d4670 | ths | #include "block_int.h" |
27 | 5efa9d5a | Anthony Liguori | #include "module.h" |
28 | 49dc768d | aliguori | #include <windows.h> |
29 | 223d4670 | ths | #include <winioctl.h> |
30 | 223d4670 | ths | |
31 | 223d4670 | ths | #define FTYPE_FILE 0 |
32 | 223d4670 | ths | #define FTYPE_CD 1 |
33 | 223d4670 | ths | #define FTYPE_HARDDISK 2 |
34 | 223d4670 | ths | |
35 | 223d4670 | ths | typedef struct BDRVRawState { |
36 | 223d4670 | ths | HANDLE hfile; |
37 | 223d4670 | ths | int type;
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38 | 223d4670 | ths | char drive_path[16]; /* format: "d:\" */ |
39 | 223d4670 | ths | } BDRVRawState; |
40 | 223d4670 | ths | |
41 | 223d4670 | ths | int qemu_ftruncate64(int fd, int64_t length) |
42 | 223d4670 | ths | { |
43 | 223d4670 | ths | LARGE_INTEGER li; |
44 | 223d4670 | ths | LONG high; |
45 | 223d4670 | ths | HANDLE h; |
46 | 223d4670 | ths | BOOL res; |
47 | 223d4670 | ths | |
48 | 223d4670 | ths | if ((GetVersion() & 0x80000000UL) && (length >> 32) != 0) |
49 | 223d4670 | ths | return -1; |
50 | 223d4670 | ths | |
51 | 223d4670 | ths | h = (HANDLE)_get_osfhandle(fd); |
52 | 223d4670 | ths | |
53 | 223d4670 | ths | /* get current position, ftruncate do not change position */
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54 | 223d4670 | ths | li.HighPart = 0;
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55 | 223d4670 | ths | li.LowPart = SetFilePointer (h, 0, &li.HighPart, FILE_CURRENT);
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56 | 223d4670 | ths | if (li.LowPart == 0xffffffffUL && GetLastError() != NO_ERROR) |
57 | 223d4670 | ths | return -1; |
58 | 223d4670 | ths | |
59 | 223d4670 | ths | high = length >> 32;
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60 | 223d4670 | ths | if (!SetFilePointer(h, (DWORD) length, &high, FILE_BEGIN))
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61 | 223d4670 | ths | return -1; |
62 | 223d4670 | ths | res = SetEndOfFile(h); |
63 | 223d4670 | ths | |
64 | 223d4670 | ths | /* back to old position */
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65 | 223d4670 | ths | SetFilePointer(h, li.LowPart, &li.HighPart, FILE_BEGIN); |
66 | 223d4670 | ths | return res ? 0 : -1; |
67 | 223d4670 | ths | } |
68 | 223d4670 | ths | |
69 | 223d4670 | ths | static int set_sparse(int fd) |
70 | 223d4670 | ths | { |
71 | 223d4670 | ths | DWORD returned; |
72 | 223d4670 | ths | return (int) DeviceIoControl((HANDLE)_get_osfhandle(fd), FSCTL_SET_SPARSE, |
73 | 223d4670 | ths | NULL, 0, NULL, 0, &returned, NULL); |
74 | 223d4670 | ths | } |
75 | 223d4670 | ths | |
76 | 223d4670 | ths | static int raw_open(BlockDriverState *bs, const char *filename, int flags) |
77 | 223d4670 | ths | { |
78 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
79 | 9a2d77ad | Christoph Hellwig | int access_flags;
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80 | 223d4670 | ths | DWORD overlapped; |
81 | 223d4670 | ths | |
82 | 223d4670 | ths | s->type = FTYPE_FILE; |
83 | 223d4670 | ths | |
84 | f5edb014 | Naphtali Sprei | if (flags & BDRV_O_RDWR) {
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85 | 223d4670 | ths | access_flags = GENERIC_READ | GENERIC_WRITE; |
86 | 223d4670 | ths | } else {
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87 | 223d4670 | ths | access_flags = GENERIC_READ; |
88 | 223d4670 | ths | } |
89 | 9a2d77ad | Christoph Hellwig | |
90 | 03ff3ca3 | aliguori | overlapped = FILE_ATTRIBUTE_NORMAL; |
91 | 9f7965c7 | aliguori | if ((flags & BDRV_O_NOCACHE))
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92 | 33f00271 | balrog | overlapped |= FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH; |
93 | 9f7965c7 | aliguori | else if (!(flags & BDRV_O_CACHE_WB)) |
94 | 9f7965c7 | aliguori | overlapped |= FILE_FLAG_WRITE_THROUGH; |
95 | 223d4670 | ths | s->hfile = CreateFile(filename, access_flags, |
96 | 223d4670 | ths | FILE_SHARE_READ, NULL,
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97 | 9a2d77ad | Christoph Hellwig | OPEN_EXISTING, overlapped, NULL);
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98 | 223d4670 | ths | if (s->hfile == INVALID_HANDLE_VALUE) {
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99 | 223d4670 | ths | int err = GetLastError();
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100 | 223d4670 | ths | |
101 | 223d4670 | ths | if (err == ERROR_ACCESS_DENIED)
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102 | 223d4670 | ths | return -EACCES;
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103 | 223d4670 | ths | return -1; |
104 | 223d4670 | ths | } |
105 | 223d4670 | ths | return 0; |
106 | 223d4670 | ths | } |
107 | 223d4670 | ths | |
108 | eda578e5 | aliguori | static int raw_read(BlockDriverState *bs, int64_t sector_num, |
109 | eda578e5 | aliguori | uint8_t *buf, int nb_sectors)
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110 | 223d4670 | ths | { |
111 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
112 | 223d4670 | ths | OVERLAPPED ov; |
113 | 223d4670 | ths | DWORD ret_count; |
114 | 223d4670 | ths | int ret;
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115 | eda578e5 | aliguori | int64_t offset = sector_num * 512;
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116 | eda578e5 | aliguori | int count = nb_sectors * 512; |
117 | 223d4670 | ths | |
118 | 223d4670 | ths | memset(&ov, 0, sizeof(ov)); |
119 | 223d4670 | ths | ov.Offset = offset; |
120 | 223d4670 | ths | ov.OffsetHigh = offset >> 32;
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121 | 223d4670 | ths | ret = ReadFile(s->hfile, buf, count, &ret_count, &ov); |
122 | 9c39be47 | aliguori | if (!ret)
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123 | 9c39be47 | aliguori | return ret_count;
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124 | 537a1d4b | aliguori | if (ret_count == count)
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125 | 537a1d4b | aliguori | ret_count = 0;
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126 | 223d4670 | ths | return ret_count;
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127 | 223d4670 | ths | } |
128 | 223d4670 | ths | |
129 | eda578e5 | aliguori | static int raw_write(BlockDriverState *bs, int64_t sector_num, |
130 | eda578e5 | aliguori | const uint8_t *buf, int nb_sectors) |
131 | 223d4670 | ths | { |
132 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
133 | 223d4670 | ths | OVERLAPPED ov; |
134 | 223d4670 | ths | DWORD ret_count; |
135 | 223d4670 | ths | int ret;
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136 | eda578e5 | aliguori | int64_t offset = sector_num * 512;
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137 | eda578e5 | aliguori | int count = nb_sectors * 512; |
138 | 223d4670 | ths | |
139 | 223d4670 | ths | memset(&ov, 0, sizeof(ov)); |
140 | 223d4670 | ths | ov.Offset = offset; |
141 | 223d4670 | ths | ov.OffsetHigh = offset >> 32;
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142 | 223d4670 | ths | ret = WriteFile(s->hfile, buf, count, &ret_count, &ov); |
143 | 9c39be47 | aliguori | if (!ret)
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144 | 9c39be47 | aliguori | return ret_count;
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145 | 537a1d4b | aliguori | if (ret_count == count)
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146 | 537a1d4b | aliguori | ret_count = 0;
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147 | 223d4670 | ths | return ret_count;
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148 | 223d4670 | ths | } |
149 | 223d4670 | ths | |
150 | 223d4670 | ths | static void raw_flush(BlockDriverState *bs) |
151 | 223d4670 | ths | { |
152 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
153 | 223d4670 | ths | FlushFileBuffers(s->hfile); |
154 | 223d4670 | ths | } |
155 | 223d4670 | ths | |
156 | 223d4670 | ths | static void raw_close(BlockDriverState *bs) |
157 | 223d4670 | ths | { |
158 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
159 | 223d4670 | ths | CloseHandle(s->hfile); |
160 | 223d4670 | ths | } |
161 | 223d4670 | ths | |
162 | 223d4670 | ths | static int raw_truncate(BlockDriverState *bs, int64_t offset) |
163 | 223d4670 | ths | { |
164 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
165 | b9e82a59 | blueswir1 | LONG low, high; |
166 | 223d4670 | ths | |
167 | 223d4670 | ths | low = offset; |
168 | 223d4670 | ths | high = offset >> 32;
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169 | 223d4670 | ths | if (!SetFilePointer(s->hfile, low, &high, FILE_BEGIN))
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170 | 223d4670 | ths | return -EIO;
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171 | 223d4670 | ths | if (!SetEndOfFile(s->hfile))
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172 | 223d4670 | ths | return -EIO;
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173 | 223d4670 | ths | return 0; |
174 | 223d4670 | ths | } |
175 | 223d4670 | ths | |
176 | 223d4670 | ths | static int64_t raw_getlength(BlockDriverState *bs)
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177 | 223d4670 | ths | { |
178 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
179 | 223d4670 | ths | LARGE_INTEGER l; |
180 | 223d4670 | ths | ULARGE_INTEGER available, total, total_free; |
181 | 223d4670 | ths | DISK_GEOMETRY_EX dg; |
182 | 223d4670 | ths | DWORD count; |
183 | 223d4670 | ths | BOOL status; |
184 | 223d4670 | ths | |
185 | 223d4670 | ths | switch(s->type) {
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186 | 223d4670 | ths | case FTYPE_FILE:
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187 | b9e82a59 | blueswir1 | l.LowPart = GetFileSize(s->hfile, (PDWORD)&l.HighPart); |
188 | 223d4670 | ths | if (l.LowPart == 0xffffffffUL && GetLastError() != NO_ERROR) |
189 | 223d4670 | ths | return -EIO;
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190 | 223d4670 | ths | break;
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191 | 223d4670 | ths | case FTYPE_CD:
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192 | 223d4670 | ths | if (!GetDiskFreeSpaceEx(s->drive_path, &available, &total, &total_free))
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193 | 223d4670 | ths | return -EIO;
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194 | 223d4670 | ths | l.QuadPart = total.QuadPart; |
195 | 223d4670 | ths | break;
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196 | 223d4670 | ths | case FTYPE_HARDDISK:
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197 | 223d4670 | ths | status = DeviceIoControl(s->hfile, IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, |
198 | 223d4670 | ths | NULL, 0, &dg, sizeof(dg), &count, NULL); |
199 | 223d4670 | ths | if (status != 0) { |
200 | 223d4670 | ths | l = dg.DiskSize; |
201 | 223d4670 | ths | } |
202 | 223d4670 | ths | break;
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203 | 223d4670 | ths | default:
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204 | 223d4670 | ths | return -EIO;
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205 | 223d4670 | ths | } |
206 | 223d4670 | ths | return l.QuadPart;
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207 | 223d4670 | ths | } |
208 | 223d4670 | ths | |
209 | 0e7e1989 | Kevin Wolf | static int raw_create(const char *filename, QEMUOptionParameter *options) |
210 | 223d4670 | ths | { |
211 | 223d4670 | ths | int fd;
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212 | 0e7e1989 | Kevin Wolf | int64_t total_size = 0;
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213 | 223d4670 | ths | |
214 | 0e7e1989 | Kevin Wolf | /* Read out options */
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215 | 0e7e1989 | Kevin Wolf | while (options && options->name) {
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216 | 0e7e1989 | Kevin Wolf | if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
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217 | 0e7e1989 | Kevin Wolf | total_size = options->value.n / 512;
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218 | 0e7e1989 | Kevin Wolf | } |
219 | 0e7e1989 | Kevin Wolf | options++; |
220 | 0e7e1989 | Kevin Wolf | } |
221 | 223d4670 | ths | |
222 | 223d4670 | ths | fd = open(filename, O_WRONLY | O_CREAT | O_TRUNC | O_BINARY, |
223 | 223d4670 | ths | 0644);
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224 | 223d4670 | ths | if (fd < 0) |
225 | 223d4670 | ths | return -EIO;
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226 | 223d4670 | ths | set_sparse(fd); |
227 | 223d4670 | ths | ftruncate(fd, total_size * 512);
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228 | 223d4670 | ths | close(fd); |
229 | 223d4670 | ths | return 0; |
230 | 223d4670 | ths | } |
231 | 223d4670 | ths | |
232 | 0e7e1989 | Kevin Wolf | static QEMUOptionParameter raw_create_options[] = {
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233 | db08adf5 | Kevin Wolf | { |
234 | db08adf5 | Kevin Wolf | .name = BLOCK_OPT_SIZE, |
235 | db08adf5 | Kevin Wolf | .type = OPT_SIZE, |
236 | db08adf5 | Kevin Wolf | .help = "Virtual disk size"
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237 | db08adf5 | Kevin Wolf | }, |
238 | 0e7e1989 | Kevin Wolf | { NULL }
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239 | 0e7e1989 | Kevin Wolf | }; |
240 | 0e7e1989 | Kevin Wolf | |
241 | 84a12e66 | Christoph Hellwig | static BlockDriver bdrv_file = {
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242 | 84a12e66 | Christoph Hellwig | .format_name = "file",
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243 | 84a12e66 | Christoph Hellwig | .protocol_name = "file",
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244 | f1b2f712 | aliguori | .instance_size = sizeof(BDRVRawState),
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245 | 66f82cee | Kevin Wolf | .bdrv_file_open = raw_open, |
246 | f1b2f712 | aliguori | .bdrv_close = raw_close, |
247 | f1b2f712 | aliguori | .bdrv_create = raw_create, |
248 | f1b2f712 | aliguori | .bdrv_flush = raw_flush, |
249 | f1b2f712 | aliguori | .bdrv_read = raw_read, |
250 | f1b2f712 | aliguori | .bdrv_write = raw_write, |
251 | f1b2f712 | aliguori | .bdrv_truncate = raw_truncate, |
252 | f1b2f712 | aliguori | .bdrv_getlength = raw_getlength, |
253 | 0e7e1989 | Kevin Wolf | |
254 | 0e7e1989 | Kevin Wolf | .create_options = raw_create_options, |
255 | 223d4670 | ths | }; |
256 | 223d4670 | ths | |
257 | 223d4670 | ths | /***********************************************/
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258 | 223d4670 | ths | /* host device */
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259 | 223d4670 | ths | |
260 | 223d4670 | ths | static int find_cdrom(char *cdrom_name, int cdrom_name_size) |
261 | 223d4670 | ths | { |
262 | 223d4670 | ths | char drives[256], *pdrv = drives; |
263 | 223d4670 | ths | UINT type; |
264 | 223d4670 | ths | |
265 | 223d4670 | ths | memset(drives, 0, sizeof(drives)); |
266 | 223d4670 | ths | GetLogicalDriveStrings(sizeof(drives), drives);
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267 | 223d4670 | ths | while(pdrv[0] != '\0') { |
268 | 223d4670 | ths | type = GetDriveType(pdrv); |
269 | 223d4670 | ths | switch(type) {
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270 | 223d4670 | ths | case DRIVE_CDROM:
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271 | 223d4670 | ths | snprintf(cdrom_name, cdrom_name_size, "\\\\.\\%c:", pdrv[0]); |
272 | 223d4670 | ths | return 0; |
273 | 223d4670 | ths | break;
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274 | 223d4670 | ths | } |
275 | 223d4670 | ths | pdrv += lstrlen(pdrv) + 1;
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276 | 223d4670 | ths | } |
277 | 223d4670 | ths | return -1; |
278 | 223d4670 | ths | } |
279 | 223d4670 | ths | |
280 | 223d4670 | ths | static int find_device_type(BlockDriverState *bs, const char *filename) |
281 | 223d4670 | ths | { |
282 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
283 | 223d4670 | ths | UINT type; |
284 | 223d4670 | ths | const char *p; |
285 | 223d4670 | ths | |
286 | 223d4670 | ths | if (strstart(filename, "\\\\.\\", &p) || |
287 | 223d4670 | ths | strstart(filename, "//./", &p)) {
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288 | 223d4670 | ths | if (stristart(p, "PhysicalDrive", NULL)) |
289 | 223d4670 | ths | return FTYPE_HARDDISK;
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290 | 223d4670 | ths | snprintf(s->drive_path, sizeof(s->drive_path), "%c:\\", p[0]); |
291 | 223d4670 | ths | type = GetDriveType(s->drive_path); |
292 | 3060cd14 | aliguori | switch (type) {
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293 | 3060cd14 | aliguori | case DRIVE_REMOVABLE:
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294 | 3060cd14 | aliguori | case DRIVE_FIXED:
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295 | 3060cd14 | aliguori | return FTYPE_HARDDISK;
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296 | 3060cd14 | aliguori | case DRIVE_CDROM:
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297 | 223d4670 | ths | return FTYPE_CD;
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298 | 3060cd14 | aliguori | default:
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299 | 223d4670 | ths | return FTYPE_FILE;
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300 | 3060cd14 | aliguori | } |
301 | 223d4670 | ths | } else {
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302 | 223d4670 | ths | return FTYPE_FILE;
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303 | 223d4670 | ths | } |
304 | 223d4670 | ths | } |
305 | 223d4670 | ths | |
306 | 508c7cb3 | Christoph Hellwig | static int hdev_probe_device(const char *filename) |
307 | 508c7cb3 | Christoph Hellwig | { |
308 | 508c7cb3 | Christoph Hellwig | if (strstart(filename, "/dev/cdrom", NULL)) |
309 | 508c7cb3 | Christoph Hellwig | return 100; |
310 | 508c7cb3 | Christoph Hellwig | if (is_windows_drive(filename))
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311 | 508c7cb3 | Christoph Hellwig | return 100; |
312 | 508c7cb3 | Christoph Hellwig | return 0; |
313 | 508c7cb3 | Christoph Hellwig | } |
314 | 508c7cb3 | Christoph Hellwig | |
315 | 223d4670 | ths | static int hdev_open(BlockDriverState *bs, const char *filename, int flags) |
316 | 223d4670 | ths | { |
317 | 223d4670 | ths | BDRVRawState *s = bs->opaque; |
318 | 223d4670 | ths | int access_flags, create_flags;
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319 | 223d4670 | ths | DWORD overlapped; |
320 | 223d4670 | ths | char device_name[64]; |
321 | 223d4670 | ths | |
322 | 223d4670 | ths | if (strstart(filename, "/dev/cdrom", NULL)) { |
323 | 223d4670 | ths | if (find_cdrom(device_name, sizeof(device_name)) < 0) |
324 | 223d4670 | ths | return -ENOENT;
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325 | 223d4670 | ths | filename = device_name; |
326 | 223d4670 | ths | } else {
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327 | 223d4670 | ths | /* transform drive letters into device name */
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328 | 223d4670 | ths | if (((filename[0] >= 'a' && filename[0] <= 'z') || |
329 | 223d4670 | ths | (filename[0] >= 'A' && filename[0] <= 'Z')) && |
330 | 223d4670 | ths | filename[1] == ':' && filename[2] == '\0') { |
331 | 223d4670 | ths | snprintf(device_name, sizeof(device_name), "\\\\.\\%c:", filename[0]); |
332 | 223d4670 | ths | filename = device_name; |
333 | 223d4670 | ths | } |
334 | 223d4670 | ths | } |
335 | 223d4670 | ths | s->type = find_device_type(bs, filename); |
336 | 223d4670 | ths | |
337 | f5edb014 | Naphtali Sprei | if (flags & BDRV_O_RDWR) {
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338 | 223d4670 | ths | access_flags = GENERIC_READ | GENERIC_WRITE; |
339 | 223d4670 | ths | } else {
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340 | 223d4670 | ths | access_flags = GENERIC_READ; |
341 | 223d4670 | ths | } |
342 | 223d4670 | ths | create_flags = OPEN_EXISTING; |
343 | 223d4670 | ths | |
344 | 03ff3ca3 | aliguori | overlapped = FILE_ATTRIBUTE_NORMAL; |
345 | 9f7965c7 | aliguori | if ((flags & BDRV_O_NOCACHE))
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346 | 33f00271 | balrog | overlapped |= FILE_FLAG_NO_BUFFERING | FILE_FLAG_WRITE_THROUGH; |
347 | 9f7965c7 | aliguori | else if (!(flags & BDRV_O_CACHE_WB)) |
348 | 9f7965c7 | aliguori | overlapped |= FILE_FLAG_WRITE_THROUGH; |
349 | 223d4670 | ths | s->hfile = CreateFile(filename, access_flags, |
350 | 223d4670 | ths | FILE_SHARE_READ, NULL,
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351 | 223d4670 | ths | create_flags, overlapped, NULL);
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352 | 223d4670 | ths | if (s->hfile == INVALID_HANDLE_VALUE) {
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353 | 223d4670 | ths | int err = GetLastError();
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354 | 223d4670 | ths | |
355 | 223d4670 | ths | if (err == ERROR_ACCESS_DENIED)
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356 | 223d4670 | ths | return -EACCES;
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357 | 223d4670 | ths | return -1; |
358 | 223d4670 | ths | } |
359 | 223d4670 | ths | return 0; |
360 | 223d4670 | ths | } |
361 | 223d4670 | ths | |
362 | 223d4670 | ths | #if 0
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363 | 223d4670 | ths | /***********************************************/
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364 | 223d4670 | ths | /* removable device additional commands */
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365 | 223d4670 | ths | |
366 | 223d4670 | ths | static int raw_is_inserted(BlockDriverState *bs)
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367 | 223d4670 | ths | {
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368 | 223d4670 | ths | return 1;
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369 | 223d4670 | ths | }
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370 | 223d4670 | ths | |
371 | 223d4670 | ths | static int raw_media_changed(BlockDriverState *bs)
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372 | 223d4670 | ths | {
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373 | 223d4670 | ths | return -ENOTSUP;
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374 | 223d4670 | ths | }
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375 | 223d4670 | ths | |
376 | 223d4670 | ths | static int raw_eject(BlockDriverState *bs, int eject_flag)
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377 | 223d4670 | ths | {
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378 | 223d4670 | ths | DWORD ret_count;
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379 | 223d4670 | ths | |
380 | 223d4670 | ths | if (s->type == FTYPE_FILE)
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381 | 223d4670 | ths | return -ENOTSUP;
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382 | 223d4670 | ths | if (eject_flag) {
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383 | 223d4670 | ths | DeviceIoControl(s->hfile, IOCTL_STORAGE_EJECT_MEDIA,
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384 | 223d4670 | ths | NULL, 0, NULL, 0, &lpBytesReturned, NULL);
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385 | 223d4670 | ths | } else {
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386 | 223d4670 | ths | DeviceIoControl(s->hfile, IOCTL_STORAGE_LOAD_MEDIA,
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387 | 223d4670 | ths | NULL, 0, NULL, 0, &lpBytesReturned, NULL);
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388 | 223d4670 | ths | }
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389 | 223d4670 | ths | }
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390 | 223d4670 | ths | |
391 | 223d4670 | ths | static int raw_set_locked(BlockDriverState *bs, int locked)
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392 | 223d4670 | ths | {
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393 | 223d4670 | ths | return -ENOTSUP;
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394 | 223d4670 | ths | }
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395 | 223d4670 | ths | #endif
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396 | 223d4670 | ths | |
397 | 5efa9d5a | Anthony Liguori | static BlockDriver bdrv_host_device = {
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398 | e60f469c | aurel32 | .format_name = "host_device",
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399 | 84a12e66 | Christoph Hellwig | .protocol_name = "host_device",
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400 | e60f469c | aurel32 | .instance_size = sizeof(BDRVRawState),
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401 | 508c7cb3 | Christoph Hellwig | .bdrv_probe_device = hdev_probe_device, |
402 | 66f82cee | Kevin Wolf | .bdrv_file_open = hdev_open, |
403 | e60f469c | aurel32 | .bdrv_close = raw_close, |
404 | e60f469c | aurel32 | .bdrv_flush = raw_flush, |
405 | 223d4670 | ths | |
406 | eda578e5 | aliguori | .bdrv_read = raw_read, |
407 | eda578e5 | aliguori | .bdrv_write = raw_write, |
408 | e60f469c | aurel32 | .bdrv_getlength = raw_getlength, |
409 | 223d4670 | ths | }; |
410 | 5efa9d5a | Anthony Liguori | |
411 | 84a12e66 | Christoph Hellwig | static void bdrv_file_init(void) |
412 | 5efa9d5a | Anthony Liguori | { |
413 | 84a12e66 | Christoph Hellwig | bdrv_register(&bdrv_file); |
414 | 5efa9d5a | Anthony Liguori | bdrv_register(&bdrv_host_device); |
415 | 5efa9d5a | Anthony Liguori | } |
416 | 5efa9d5a | Anthony Liguori | |
417 | 84a12e66 | Christoph Hellwig | block_init(bdrv_file_init); |