Revision 666daa68
| b/Makefile.objs | ||
|---|---|---|
| 44 | 44 |
# system emulation, i.e. a single QEMU executable should support all |
| 45 | 45 |
# CPUs and machines. |
| 46 | 46 |
|
| 47 |
common-obj-y = $(block-obj-y) |
|
| 47 |
common-obj-y = $(block-obj-y) blockdev.o
|
|
| 48 | 48 |
common-obj-y += $(net-obj-y) |
| 49 | 49 |
common-obj-y += $(qobject-obj-y) |
| 50 | 50 |
common-obj-$(CONFIG_LINUX) += $(fsdev-obj-$(CONFIG_LINUX)) |
| b/blockdev.c | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* QEMU host block devices |
|
| 3 |
* |
|
| 4 |
* Copyright (c) 2003-2008 Fabrice Bellard |
|
| 5 |
* |
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| 6 |
* This work is licensed under the terms of the GNU GPL, version 2 or |
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| 7 |
* later. See the COPYING file in the top-level directory. |
|
| 8 |
*/ |
|
| 9 |
|
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| 10 |
#include "block.h" |
|
| 11 |
#include "blockdev.h" |
|
| 12 |
#include "monitor.h" |
|
| 13 |
#include "qerror.h" |
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| 14 |
#include "qemu-option.h" |
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| 15 |
#include "qemu-config.h" |
|
| 16 |
#include "sysemu.h" |
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| 17 |
|
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| 18 |
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
|
| 19 |
|
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| 20 |
QemuOpts *drive_add(const char *file, const char *fmt, ...) |
|
| 21 |
{
|
|
| 22 |
va_list ap; |
|
| 23 |
char optstr[1024]; |
|
| 24 |
QemuOpts *opts; |
|
| 25 |
|
|
| 26 |
va_start(ap, fmt); |
|
| 27 |
vsnprintf(optstr, sizeof(optstr), fmt, ap); |
|
| 28 |
va_end(ap); |
|
| 29 |
|
|
| 30 |
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0); |
|
| 31 |
if (!opts) {
|
|
| 32 |
return NULL; |
|
| 33 |
} |
|
| 34 |
if (file) |
|
| 35 |
qemu_opt_set(opts, "file", file); |
|
| 36 |
return opts; |
|
| 37 |
} |
|
| 38 |
|
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| 39 |
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
|
| 40 |
{
|
|
| 41 |
DriveInfo *dinfo; |
|
| 42 |
|
|
| 43 |
/* seek interface, bus and unit */ |
|
| 44 |
|
|
| 45 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 46 |
if (dinfo->type == type && |
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| 47 |
dinfo->bus == bus && |
|
| 48 |
dinfo->unit == unit) |
|
| 49 |
return dinfo; |
|
| 50 |
} |
|
| 51 |
|
|
| 52 |
return NULL; |
|
| 53 |
} |
|
| 54 |
|
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| 55 |
DriveInfo *drive_get_by_id(const char *id) |
|
| 56 |
{
|
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| 57 |
DriveInfo *dinfo; |
|
| 58 |
|
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| 59 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 60 |
if (strcmp(id, dinfo->id)) |
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| 61 |
continue; |
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| 62 |
return dinfo; |
|
| 63 |
} |
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| 64 |
return NULL; |
|
| 65 |
} |
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| 66 |
|
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| 67 |
int drive_get_max_bus(BlockInterfaceType type) |
|
| 68 |
{
|
|
| 69 |
int max_bus; |
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| 70 |
DriveInfo *dinfo; |
|
| 71 |
|
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| 72 |
max_bus = -1; |
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| 73 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 74 |
if(dinfo->type == type && |
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| 75 |
dinfo->bus > max_bus) |
|
| 76 |
max_bus = dinfo->bus; |
|
| 77 |
} |
|
| 78 |
return max_bus; |
|
| 79 |
} |
|
| 80 |
|
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| 81 |
const char *drive_get_serial(BlockDriverState *bdrv) |
|
| 82 |
{
|
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| 83 |
DriveInfo *dinfo; |
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| 84 |
|
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| 85 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
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| 86 |
if (dinfo->bdrv == bdrv) |
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| 87 |
return dinfo->serial; |
|
| 88 |
} |
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| 89 |
|
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| 90 |
return "\0"; |
|
| 91 |
} |
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| 92 |
|
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| 93 |
BlockInterfaceErrorAction drive_get_on_error( |
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| 94 |
BlockDriverState *bdrv, int is_read) |
|
| 95 |
{
|
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| 96 |
DriveInfo *dinfo; |
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| 97 |
|
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| 98 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
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| 99 |
if (dinfo->bdrv == bdrv) |
|
| 100 |
return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
|
| 101 |
} |
|
| 102 |
|
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| 103 |
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
|
| 104 |
} |
|
| 105 |
|
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| 106 |
static void bdrv_format_print(void *opaque, const char *name) |
|
| 107 |
{
|
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| 108 |
fprintf(stderr, " %s", name); |
|
| 109 |
} |
|
| 110 |
|
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| 111 |
void drive_uninit(DriveInfo *dinfo) |
|
| 112 |
{
|
|
| 113 |
qemu_opts_del(dinfo->opts); |
|
| 114 |
bdrv_delete(dinfo->bdrv); |
|
| 115 |
QTAILQ_REMOVE(&drives, dinfo, next); |
|
| 116 |
qemu_free(dinfo); |
|
| 117 |
} |
|
| 118 |
|
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| 119 |
static int parse_block_error_action(const char *buf, int is_read) |
|
| 120 |
{
|
|
| 121 |
if (!strcmp(buf, "ignore")) {
|
|
| 122 |
return BLOCK_ERR_IGNORE; |
|
| 123 |
} else if (!is_read && !strcmp(buf, "enospc")) {
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| 124 |
return BLOCK_ERR_STOP_ENOSPC; |
|
| 125 |
} else if (!strcmp(buf, "stop")) {
|
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| 126 |
return BLOCK_ERR_STOP_ANY; |
|
| 127 |
} else if (!strcmp(buf, "report")) {
|
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| 128 |
return BLOCK_ERR_REPORT; |
|
| 129 |
} else {
|
|
| 130 |
fprintf(stderr, "qemu: '%s' invalid %s error action\n", |
|
| 131 |
buf, is_read ? "read" : "write"); |
|
| 132 |
return -1; |
|
| 133 |
} |
|
| 134 |
} |
|
| 135 |
|
|
| 136 |
DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error) |
|
| 137 |
{
|
|
| 138 |
const char *buf; |
|
| 139 |
const char *file = NULL; |
|
| 140 |
char devname[128]; |
|
| 141 |
const char *serial; |
|
| 142 |
const char *mediastr = ""; |
|
| 143 |
BlockInterfaceType type; |
|
| 144 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
|
| 145 |
int bus_id, unit_id; |
|
| 146 |
int cyls, heads, secs, translation; |
|
| 147 |
BlockDriver *drv = NULL; |
|
| 148 |
int max_devs; |
|
| 149 |
int index; |
|
| 150 |
int ro = 0; |
|
| 151 |
int bdrv_flags = 0; |
|
| 152 |
int on_read_error, on_write_error; |
|
| 153 |
const char *devaddr; |
|
| 154 |
DriveInfo *dinfo; |
|
| 155 |
int snapshot = 0; |
|
| 156 |
int ret; |
|
| 157 |
|
|
| 158 |
*fatal_error = 1; |
|
| 159 |
|
|
| 160 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
|
| 161 |
|
|
| 162 |
if (default_to_scsi) {
|
|
| 163 |
type = IF_SCSI; |
|
| 164 |
max_devs = MAX_SCSI_DEVS; |
|
| 165 |
pstrcpy(devname, sizeof(devname), "scsi"); |
|
| 166 |
} else {
|
|
| 167 |
type = IF_IDE; |
|
| 168 |
max_devs = MAX_IDE_DEVS; |
|
| 169 |
pstrcpy(devname, sizeof(devname), "ide"); |
|
| 170 |
} |
|
| 171 |
media = MEDIA_DISK; |
|
| 172 |
|
|
| 173 |
/* extract parameters */ |
|
| 174 |
bus_id = qemu_opt_get_number(opts, "bus", 0); |
|
| 175 |
unit_id = qemu_opt_get_number(opts, "unit", -1); |
|
| 176 |
index = qemu_opt_get_number(opts, "index", -1); |
|
| 177 |
|
|
| 178 |
cyls = qemu_opt_get_number(opts, "cyls", 0); |
|
| 179 |
heads = qemu_opt_get_number(opts, "heads", 0); |
|
| 180 |
secs = qemu_opt_get_number(opts, "secs", 0); |
|
| 181 |
|
|
| 182 |
snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
|
| 183 |
ro = qemu_opt_get_bool(opts, "readonly", 0); |
|
| 184 |
|
|
| 185 |
file = qemu_opt_get(opts, "file"); |
|
| 186 |
serial = qemu_opt_get(opts, "serial"); |
|
| 187 |
|
|
| 188 |
if ((buf = qemu_opt_get(opts, "if")) != NULL) {
|
|
| 189 |
pstrcpy(devname, sizeof(devname), buf); |
|
| 190 |
if (!strcmp(buf, "ide")) {
|
|
| 191 |
type = IF_IDE; |
|
| 192 |
max_devs = MAX_IDE_DEVS; |
|
| 193 |
} else if (!strcmp(buf, "scsi")) {
|
|
| 194 |
type = IF_SCSI; |
|
| 195 |
max_devs = MAX_SCSI_DEVS; |
|
| 196 |
} else if (!strcmp(buf, "floppy")) {
|
|
| 197 |
type = IF_FLOPPY; |
|
| 198 |
max_devs = 0; |
|
| 199 |
} else if (!strcmp(buf, "pflash")) {
|
|
| 200 |
type = IF_PFLASH; |
|
| 201 |
max_devs = 0; |
|
| 202 |
} else if (!strcmp(buf, "mtd")) {
|
|
| 203 |
type = IF_MTD; |
|
| 204 |
max_devs = 0; |
|
| 205 |
} else if (!strcmp(buf, "sd")) {
|
|
| 206 |
type = IF_SD; |
|
| 207 |
max_devs = 0; |
|
| 208 |
} else if (!strcmp(buf, "virtio")) {
|
|
| 209 |
type = IF_VIRTIO; |
|
| 210 |
max_devs = 0; |
|
| 211 |
} else if (!strcmp(buf, "xen")) {
|
|
| 212 |
type = IF_XEN; |
|
| 213 |
max_devs = 0; |
|
| 214 |
} else if (!strcmp(buf, "none")) {
|
|
| 215 |
type = IF_NONE; |
|
| 216 |
max_devs = 0; |
|
| 217 |
} else {
|
|
| 218 |
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
|
| 219 |
return NULL; |
|
| 220 |
} |
|
| 221 |
} |
|
| 222 |
|
|
| 223 |
if (cyls || heads || secs) {
|
|
| 224 |
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
|
|
| 225 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
|
| 226 |
return NULL; |
|
| 227 |
} |
|
| 228 |
if (heads < 1 || (type == IF_IDE && heads > 16)) {
|
|
| 229 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
|
| 230 |
return NULL; |
|
| 231 |
} |
|
| 232 |
if (secs < 1 || (type == IF_IDE && secs > 63)) {
|
|
| 233 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
|
| 234 |
return NULL; |
|
| 235 |
} |
|
| 236 |
} |
|
| 237 |
|
|
| 238 |
if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
|
|
| 239 |
if (!cyls) {
|
|
| 240 |
fprintf(stderr, |
|
| 241 |
"qemu: '%s' trans must be used with cyls,heads and secs\n", |
|
| 242 |
buf); |
|
| 243 |
return NULL; |
|
| 244 |
} |
|
| 245 |
if (!strcmp(buf, "none")) |
|
| 246 |
translation = BIOS_ATA_TRANSLATION_NONE; |
|
| 247 |
else if (!strcmp(buf, "lba")) |
|
| 248 |
translation = BIOS_ATA_TRANSLATION_LBA; |
|
| 249 |
else if (!strcmp(buf, "auto")) |
|
| 250 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
|
| 251 |
else {
|
|
| 252 |
fprintf(stderr, "qemu: '%s' invalid translation type\n", buf); |
|
| 253 |
return NULL; |
|
| 254 |
} |
|
| 255 |
} |
|
| 256 |
|
|
| 257 |
if ((buf = qemu_opt_get(opts, "media")) != NULL) {
|
|
| 258 |
if (!strcmp(buf, "disk")) {
|
|
| 259 |
media = MEDIA_DISK; |
|
| 260 |
} else if (!strcmp(buf, "cdrom")) {
|
|
| 261 |
if (cyls || secs || heads) {
|
|
| 262 |
fprintf(stderr, |
|
| 263 |
"qemu: '%s' invalid physical CHS format\n", buf); |
|
| 264 |
return NULL; |
|
| 265 |
} |
|
| 266 |
media = MEDIA_CDROM; |
|
| 267 |
} else {
|
|
| 268 |
fprintf(stderr, "qemu: '%s' invalid media\n", buf); |
|
| 269 |
return NULL; |
|
| 270 |
} |
|
| 271 |
} |
|
| 272 |
|
|
| 273 |
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
|
|
| 274 |
if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
|
|
| 275 |
bdrv_flags |= BDRV_O_NOCACHE; |
|
| 276 |
} else if (!strcmp(buf, "writeback")) {
|
|
| 277 |
bdrv_flags |= BDRV_O_CACHE_WB; |
|
| 278 |
} else if (!strcmp(buf, "unsafe")) {
|
|
| 279 |
bdrv_flags |= BDRV_O_CACHE_WB; |
|
| 280 |
bdrv_flags |= BDRV_O_NO_FLUSH; |
|
| 281 |
} else if (!strcmp(buf, "writethrough")) {
|
|
| 282 |
/* this is the default */ |
|
| 283 |
} else {
|
|
| 284 |
fprintf(stderr, "qemu: invalid cache option\n"); |
|
| 285 |
return NULL; |
|
| 286 |
} |
|
| 287 |
} |
|
| 288 |
|
|
| 289 |
#ifdef CONFIG_LINUX_AIO |
|
| 290 |
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
|
|
| 291 |
if (!strcmp(buf, "native")) {
|
|
| 292 |
bdrv_flags |= BDRV_O_NATIVE_AIO; |
|
| 293 |
} else if (!strcmp(buf, "threads")) {
|
|
| 294 |
/* this is the default */ |
|
| 295 |
} else {
|
|
| 296 |
fprintf(stderr, "qemu: invalid aio option\n"); |
|
| 297 |
return NULL; |
|
| 298 |
} |
|
| 299 |
} |
|
| 300 |
#endif |
|
| 301 |
|
|
| 302 |
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
|
|
| 303 |
if (strcmp(buf, "?") == 0) {
|
|
| 304 |
fprintf(stderr, "qemu: Supported formats:"); |
|
| 305 |
bdrv_iterate_format(bdrv_format_print, NULL); |
|
| 306 |
fprintf(stderr, "\n"); |
|
| 307 |
return NULL; |
|
| 308 |
} |
|
| 309 |
drv = bdrv_find_whitelisted_format(buf); |
|
| 310 |
if (!drv) {
|
|
| 311 |
fprintf(stderr, "qemu: '%s' invalid format\n", buf); |
|
| 312 |
return NULL; |
|
| 313 |
} |
|
| 314 |
} |
|
| 315 |
|
|
| 316 |
on_write_error = BLOCK_ERR_STOP_ENOSPC; |
|
| 317 |
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
|
|
| 318 |
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
|
|
| 319 |
fprintf(stderr, "werror is no supported by this format\n"); |
|
| 320 |
return NULL; |
|
| 321 |
} |
|
| 322 |
|
|
| 323 |
on_write_error = parse_block_error_action(buf, 0); |
|
| 324 |
if (on_write_error < 0) {
|
|
| 325 |
return NULL; |
|
| 326 |
} |
|
| 327 |
} |
|
| 328 |
|
|
| 329 |
on_read_error = BLOCK_ERR_REPORT; |
|
| 330 |
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
|
|
| 331 |
if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
|
|
| 332 |
fprintf(stderr, "rerror is no supported by this format\n"); |
|
| 333 |
return NULL; |
|
| 334 |
} |
|
| 335 |
|
|
| 336 |
on_read_error = parse_block_error_action(buf, 1); |
|
| 337 |
if (on_read_error < 0) {
|
|
| 338 |
return NULL; |
|
| 339 |
} |
|
| 340 |
} |
|
| 341 |
|
|
| 342 |
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
|
|
| 343 |
if (type != IF_VIRTIO) {
|
|
| 344 |
fprintf(stderr, "addr is not supported\n"); |
|
| 345 |
return NULL; |
|
| 346 |
} |
|
| 347 |
} |
|
| 348 |
|
|
| 349 |
/* compute bus and unit according index */ |
|
| 350 |
|
|
| 351 |
if (index != -1) {
|
|
| 352 |
if (bus_id != 0 || unit_id != -1) {
|
|
| 353 |
fprintf(stderr, |
|
| 354 |
"qemu: index cannot be used with bus and unit\n"); |
|
| 355 |
return NULL; |
|
| 356 |
} |
|
| 357 |
if (max_devs == 0) |
|
| 358 |
{
|
|
| 359 |
unit_id = index; |
|
| 360 |
bus_id = 0; |
|
| 361 |
} else {
|
|
| 362 |
unit_id = index % max_devs; |
|
| 363 |
bus_id = index / max_devs; |
|
| 364 |
} |
|
| 365 |
} |
|
| 366 |
|
|
| 367 |
/* if user doesn't specify a unit_id, |
|
| 368 |
* try to find the first free |
|
| 369 |
*/ |
|
| 370 |
|
|
| 371 |
if (unit_id == -1) {
|
|
| 372 |
unit_id = 0; |
|
| 373 |
while (drive_get(type, bus_id, unit_id) != NULL) {
|
|
| 374 |
unit_id++; |
|
| 375 |
if (max_devs && unit_id >= max_devs) {
|
|
| 376 |
unit_id -= max_devs; |
|
| 377 |
bus_id++; |
|
| 378 |
} |
|
| 379 |
} |
|
| 380 |
} |
|
| 381 |
|
|
| 382 |
/* check unit id */ |
|
| 383 |
|
|
| 384 |
if (max_devs && unit_id >= max_devs) {
|
|
| 385 |
fprintf(stderr, "qemu: unit %d too big (max is %d)\n", |
|
| 386 |
unit_id, max_devs - 1); |
|
| 387 |
return NULL; |
|
| 388 |
} |
|
| 389 |
|
|
| 390 |
/* |
|
| 391 |
* ignore multiple definitions |
|
| 392 |
*/ |
|
| 393 |
|
|
| 394 |
if (drive_get(type, bus_id, unit_id) != NULL) {
|
|
| 395 |
*fatal_error = 0; |
|
| 396 |
return NULL; |
|
| 397 |
} |
|
| 398 |
|
|
| 399 |
/* init */ |
|
| 400 |
|
|
| 401 |
dinfo = qemu_mallocz(sizeof(*dinfo)); |
|
| 402 |
if ((buf = qemu_opts_id(opts)) != NULL) {
|
|
| 403 |
dinfo->id = qemu_strdup(buf); |
|
| 404 |
} else {
|
|
| 405 |
/* no id supplied -> create one */ |
|
| 406 |
dinfo->id = qemu_mallocz(32); |
|
| 407 |
if (type == IF_IDE || type == IF_SCSI) |
|
| 408 |
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd"; |
|
| 409 |
if (max_devs) |
|
| 410 |
snprintf(dinfo->id, 32, "%s%i%s%i", |
|
| 411 |
devname, bus_id, mediastr, unit_id); |
|
| 412 |
else |
|
| 413 |
snprintf(dinfo->id, 32, "%s%s%i", |
|
| 414 |
devname, mediastr, unit_id); |
|
| 415 |
} |
|
| 416 |
dinfo->bdrv = bdrv_new(dinfo->id); |
|
| 417 |
dinfo->devaddr = devaddr; |
|
| 418 |
dinfo->type = type; |
|
| 419 |
dinfo->bus = bus_id; |
|
| 420 |
dinfo->unit = unit_id; |
|
| 421 |
dinfo->on_read_error = on_read_error; |
|
| 422 |
dinfo->on_write_error = on_write_error; |
|
| 423 |
dinfo->opts = opts; |
|
| 424 |
if (serial) |
|
| 425 |
strncpy(dinfo->serial, serial, sizeof(serial)); |
|
| 426 |
QTAILQ_INSERT_TAIL(&drives, dinfo, next); |
|
| 427 |
|
|
| 428 |
switch(type) {
|
|
| 429 |
case IF_IDE: |
|
| 430 |
case IF_SCSI: |
|
| 431 |
case IF_XEN: |
|
| 432 |
case IF_NONE: |
|
| 433 |
switch(media) {
|
|
| 434 |
case MEDIA_DISK: |
|
| 435 |
if (cyls != 0) {
|
|
| 436 |
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs); |
|
| 437 |
bdrv_set_translation_hint(dinfo->bdrv, translation); |
|
| 438 |
} |
|
| 439 |
break; |
|
| 440 |
case MEDIA_CDROM: |
|
| 441 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM); |
|
| 442 |
break; |
|
| 443 |
} |
|
| 444 |
break; |
|
| 445 |
case IF_SD: |
|
| 446 |
/* FIXME: This isn't really a floppy, but it's a reasonable |
|
| 447 |
approximation. */ |
|
| 448 |
case IF_FLOPPY: |
|
| 449 |
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY); |
|
| 450 |
break; |
|
| 451 |
case IF_PFLASH: |
|
| 452 |
case IF_MTD: |
|
| 453 |
break; |
|
| 454 |
case IF_VIRTIO: |
|
| 455 |
/* add virtio block device */ |
|
| 456 |
opts = qemu_opts_create(&qemu_device_opts, NULL, 0); |
|
| 457 |
qemu_opt_set(opts, "driver", "virtio-blk-pci"); |
|
| 458 |
qemu_opt_set(opts, "drive", dinfo->id); |
|
| 459 |
if (devaddr) |
|
| 460 |
qemu_opt_set(opts, "addr", devaddr); |
|
| 461 |
break; |
|
| 462 |
case IF_COUNT: |
|
| 463 |
abort(); |
|
| 464 |
} |
|
| 465 |
if (!file) {
|
|
| 466 |
*fatal_error = 0; |
|
| 467 |
return NULL; |
|
| 468 |
} |
|
| 469 |
if (snapshot) {
|
|
| 470 |
/* always use cache=unsafe with snapshot */ |
|
| 471 |
bdrv_flags &= ~BDRV_O_CACHE_MASK; |
|
| 472 |
bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH); |
|
| 473 |
} |
|
| 474 |
|
|
| 475 |
if (media == MEDIA_CDROM) {
|
|
| 476 |
/* CDROM is fine for any interface, don't check. */ |
|
| 477 |
ro = 1; |
|
| 478 |
} else if (ro == 1) {
|
|
| 479 |
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
|
|
| 480 |
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n"); |
|
| 481 |
return NULL; |
|
| 482 |
} |
|
| 483 |
} |
|
| 484 |
|
|
| 485 |
bdrv_flags |= ro ? 0 : BDRV_O_RDWR; |
|
| 486 |
|
|
| 487 |
ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv); |
|
| 488 |
if (ret < 0) {
|
|
| 489 |
fprintf(stderr, "qemu: could not open disk image %s: %s\n", |
|
| 490 |
file, strerror(-ret)); |
|
| 491 |
return NULL; |
|
| 492 |
} |
|
| 493 |
|
|
| 494 |
if (bdrv_key_required(dinfo->bdrv)) |
|
| 495 |
autostart = 0; |
|
| 496 |
*fatal_error = 0; |
|
| 497 |
return dinfo; |
|
| 498 |
} |
|
| 499 |
|
|
| 500 |
void do_commit(Monitor *mon, const QDict *qdict) |
|
| 501 |
{
|
|
| 502 |
int all_devices; |
|
| 503 |
DriveInfo *dinfo; |
|
| 504 |
const char *device = qdict_get_str(qdict, "device"); |
|
| 505 |
|
|
| 506 |
all_devices = !strcmp(device, "all"); |
|
| 507 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 508 |
if (!all_devices) |
|
| 509 |
if (strcmp(bdrv_get_device_name(dinfo->bdrv), device)) |
|
| 510 |
continue; |
|
| 511 |
bdrv_commit(dinfo->bdrv); |
|
| 512 |
} |
|
| 513 |
} |
|
| 514 |
|
|
| 515 |
static int eject_device(Monitor *mon, BlockDriverState *bs, int force) |
|
| 516 |
{
|
|
| 517 |
if (bdrv_is_inserted(bs)) {
|
|
| 518 |
if (!force) {
|
|
| 519 |
if (!bdrv_is_removable(bs)) {
|
|
| 520 |
qerror_report(QERR_DEVICE_NOT_REMOVABLE, |
|
| 521 |
bdrv_get_device_name(bs)); |
|
| 522 |
return -1; |
|
| 523 |
} |
|
| 524 |
if (bdrv_is_locked(bs)) {
|
|
| 525 |
qerror_report(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs)); |
|
| 526 |
return -1; |
|
| 527 |
} |
|
| 528 |
} |
|
| 529 |
bdrv_close(bs); |
|
| 530 |
} |
|
| 531 |
return 0; |
|
| 532 |
} |
|
| 533 |
|
|
| 534 |
int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data) |
|
| 535 |
{
|
|
| 536 |
BlockDriverState *bs; |
|
| 537 |
int force = qdict_get_int(qdict, "force"); |
|
| 538 |
const char *filename = qdict_get_str(qdict, "device"); |
|
| 539 |
|
|
| 540 |
bs = bdrv_find(filename); |
|
| 541 |
if (!bs) {
|
|
| 542 |
qerror_report(QERR_DEVICE_NOT_FOUND, filename); |
|
| 543 |
return -1; |
|
| 544 |
} |
|
| 545 |
return eject_device(mon, bs, force); |
|
| 546 |
} |
|
| 547 |
|
|
| 548 |
int do_block_set_passwd(Monitor *mon, const QDict *qdict, |
|
| 549 |
QObject **ret_data) |
|
| 550 |
{
|
|
| 551 |
BlockDriverState *bs; |
|
| 552 |
int err; |
|
| 553 |
|
|
| 554 |
bs = bdrv_find(qdict_get_str(qdict, "device")); |
|
| 555 |
if (!bs) {
|
|
| 556 |
qerror_report(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device")); |
|
| 557 |
return -1; |
|
| 558 |
} |
|
| 559 |
|
|
| 560 |
err = bdrv_set_key(bs, qdict_get_str(qdict, "password")); |
|
| 561 |
if (err == -EINVAL) {
|
|
| 562 |
qerror_report(QERR_DEVICE_NOT_ENCRYPTED, bdrv_get_device_name(bs)); |
|
| 563 |
return -1; |
|
| 564 |
} else if (err < 0) {
|
|
| 565 |
qerror_report(QERR_INVALID_PASSWORD); |
|
| 566 |
return -1; |
|
| 567 |
} |
|
| 568 |
|
|
| 569 |
return 0; |
|
| 570 |
} |
|
| 571 |
|
|
| 572 |
int do_change_block(Monitor *mon, const char *device, |
|
| 573 |
const char *filename, const char *fmt) |
|
| 574 |
{
|
|
| 575 |
BlockDriverState *bs; |
|
| 576 |
BlockDriver *drv = NULL; |
|
| 577 |
int bdrv_flags; |
|
| 578 |
|
|
| 579 |
bs = bdrv_find(device); |
|
| 580 |
if (!bs) {
|
|
| 581 |
qerror_report(QERR_DEVICE_NOT_FOUND, device); |
|
| 582 |
return -1; |
|
| 583 |
} |
|
| 584 |
if (fmt) {
|
|
| 585 |
drv = bdrv_find_whitelisted_format(fmt); |
|
| 586 |
if (!drv) {
|
|
| 587 |
qerror_report(QERR_INVALID_BLOCK_FORMAT, fmt); |
|
| 588 |
return -1; |
|
| 589 |
} |
|
| 590 |
} |
|
| 591 |
if (eject_device(mon, bs, 0) < 0) {
|
|
| 592 |
return -1; |
|
| 593 |
} |
|
| 594 |
bdrv_flags = bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM ? 0 : BDRV_O_RDWR; |
|
| 595 |
if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
|
|
| 596 |
qerror_report(QERR_OPEN_FILE_FAILED, filename); |
|
| 597 |
return -1; |
|
| 598 |
} |
|
| 599 |
return monitor_read_bdrv_key_start(mon, bs, NULL, NULL); |
|
| 600 |
} |
|
| b/blockdev.h | ||
|---|---|---|
| 1 |
/* |
|
| 2 |
* QEMU host block devices |
|
| 3 |
* |
|
| 4 |
* Copyright (c) 2003-2008 Fabrice Bellard |
|
| 5 |
* |
|
| 6 |
* This work is licensed under the terms of the GNU GPL, version 2 or |
|
| 7 |
* later. See the COPYING file in the top-level directory. |
|
| 8 |
*/ |
|
| 9 |
|
|
| 10 |
#ifndef BLOCKDEV_H |
|
| 11 |
#define BLOCKDEV_H |
|
| 12 |
|
|
| 13 |
#include "block.h" |
|
| 14 |
#include "qemu-queue.h" |
|
| 15 |
|
|
| 16 |
typedef enum {
|
|
| 17 |
IF_NONE, |
|
| 18 |
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, |
|
| 19 |
IF_COUNT |
|
| 20 |
} BlockInterfaceType; |
|
| 21 |
|
|
| 22 |
typedef enum {
|
|
| 23 |
BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC, |
|
| 24 |
BLOCK_ERR_STOP_ANY |
|
| 25 |
} BlockInterfaceErrorAction; |
|
| 26 |
|
|
| 27 |
#define BLOCK_SERIAL_STRLEN 20 |
|
| 28 |
|
|
| 29 |
typedef struct DriveInfo {
|
|
| 30 |
BlockDriverState *bdrv; |
|
| 31 |
char *id; |
|
| 32 |
const char *devaddr; |
|
| 33 |
BlockInterfaceType type; |
|
| 34 |
int bus; |
|
| 35 |
int unit; |
|
| 36 |
QemuOpts *opts; |
|
| 37 |
BlockInterfaceErrorAction on_read_error; |
|
| 38 |
BlockInterfaceErrorAction on_write_error; |
|
| 39 |
char serial[BLOCK_SERIAL_STRLEN + 1]; |
|
| 40 |
QTAILQ_ENTRY(DriveInfo) next; |
|
| 41 |
} DriveInfo; |
|
| 42 |
|
|
| 43 |
#define MAX_IDE_DEVS 2 |
|
| 44 |
#define MAX_SCSI_DEVS 7 |
|
| 45 |
|
|
| 46 |
extern QTAILQ_HEAD(drivelist, DriveInfo) drives; |
|
| 47 |
|
|
| 48 |
extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); |
|
| 49 |
extern DriveInfo *drive_get_by_id(const char *id); |
|
| 50 |
extern int drive_get_max_bus(BlockInterfaceType type); |
|
| 51 |
extern void drive_uninit(DriveInfo *dinfo); |
|
| 52 |
extern const char *drive_get_serial(BlockDriverState *bdrv); |
|
| 53 |
|
|
| 54 |
extern BlockInterfaceErrorAction drive_get_on_error( |
|
| 55 |
BlockDriverState *bdrv, int is_read); |
|
| 56 |
|
|
| 57 |
extern QemuOpts *drive_add(const char *file, const char *fmt, ...); |
|
| 58 |
extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, |
|
| 59 |
int *fatal_error); |
|
| 60 |
|
|
| 61 |
/* device-hotplug */ |
|
| 62 |
|
|
| 63 |
DriveInfo *add_init_drive(const char *opts); |
|
| 64 |
|
|
| 65 |
void do_commit(Monitor *mon, const QDict *qdict); |
|
| 66 |
int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data); |
|
| 67 |
int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data); |
|
| 68 |
int do_change_block(Monitor *mon, const char *device, |
|
| 69 |
const char *filename, const char *fmt); |
|
| 70 |
|
|
| 71 |
#endif |
|
| b/hw/acpi_piix4.c | ||
|---|---|---|
| 21 | 21 |
#include "pm_smbus.h" |
| 22 | 22 |
#include "pci.h" |
| 23 | 23 |
#include "acpi.h" |
| 24 |
#include "sysemu.h" |
|
| 24 | 25 |
|
| 25 | 26 |
//#define DEBUG |
| 26 | 27 |
|
| b/hw/apb_pci.c | ||
|---|---|---|
| 31 | 31 |
#include "pci_host.h" |
| 32 | 32 |
#include "rwhandler.h" |
| 33 | 33 |
#include "apb_pci.h" |
| 34 |
#include "sysemu.h" |
|
| 34 | 35 |
|
| 35 | 36 |
/* debug APB */ |
| 36 | 37 |
//#define DEBUG_APB |
| b/hw/device-hotplug.c | ||
|---|---|---|
| 25 | 25 |
#include "hw.h" |
| 26 | 26 |
#include "boards.h" |
| 27 | 27 |
#include "net.h" |
| 28 |
#include "block_int.h" |
|
| 29 |
#include "sysemu.h" |
|
| 30 | 28 |
|
| 31 | 29 |
DriveInfo *add_init_drive(const char *optstr) |
| 32 | 30 |
{
|
| b/hw/fdc.c | ||
|---|---|---|
| 29 | 29 |
|
| 30 | 30 |
#include "hw.h" |
| 31 | 31 |
#include "fdc.h" |
| 32 |
#include "block.h" |
|
| 33 | 32 |
#include "qemu-timer.h" |
| 34 | 33 |
#include "isa.h" |
| 35 | 34 |
#include "sysbus.h" |
| b/hw/fdc.h | ||
|---|---|---|
| 2 | 2 |
#define HW_FDC_H |
| 3 | 3 |
|
| 4 | 4 |
/* fdc.c */ |
| 5 |
#include "sysemu.h"
|
|
| 5 |
#include "blockdev.h"
|
|
| 6 | 6 |
#define MAX_FD 2 |
| 7 | 7 |
|
| 8 | 8 |
typedef struct FDCtrl FDCtrl; |
| b/hw/ide/core.c | ||
|---|---|---|
| 26 | 26 |
#include <hw/pc.h> |
| 27 | 27 |
#include <hw/pci.h> |
| 28 | 28 |
#include <hw/scsi.h> |
| 29 |
#include "block.h" |
|
| 30 |
#include "block_int.h" |
|
| 31 | 29 |
#include "qemu-timer.h" |
| 32 | 30 |
#include "sysemu.h" |
| 33 | 31 |
#include "dma.h" |
| b/hw/ide/qdev.c | ||
|---|---|---|
| 17 | 17 |
* License along with this library; if not, see <http://www.gnu.org/licenses/>. |
| 18 | 18 |
*/ |
| 19 | 19 |
#include <hw/hw.h> |
| 20 |
#include "sysemu.h" |
|
| 21 | 20 |
#include "dma.h" |
| 22 | 21 |
|
| 23 | 22 |
#include <hw/ide/internal.h> |
| b/hw/lan9118.c | ||
|---|---|---|
| 10 | 10 |
#include "sysbus.h" |
| 11 | 11 |
#include "net.h" |
| 12 | 12 |
#include "devices.h" |
| 13 |
#include "sysemu.h" |
|
| 13 | 14 |
/* For crc32 */ |
| 14 | 15 |
#include <zlib.h> |
| 15 | 16 |
|
| b/hw/nand.c | ||
|---|---|---|
| 13 | 13 |
|
| 14 | 14 |
# include "hw.h" |
| 15 | 15 |
# include "flash.h" |
| 16 |
# include "block.h" |
|
| 16 |
# include "blockdev.h"
|
|
| 17 | 17 |
/* FIXME: Pass block device as an argument. */ |
| 18 |
# include "sysemu.h" |
|
| 19 | 18 |
|
| 20 | 19 |
# define NAND_CMD_READ0 0x00 |
| 21 | 20 |
# define NAND_CMD_READ1 0x01 |
| b/hw/omap2.c | ||
|---|---|---|
| 17 | 17 |
* You should have received a copy of the GNU General Public License along |
| 18 | 18 |
* with this program; if not, see <http://www.gnu.org/licenses/>. |
| 19 | 19 |
*/ |
| 20 |
|
|
| 21 |
#include "blockdev.h" |
|
| 20 | 22 |
#include "hw.h" |
| 21 | 23 |
#include "arm-misc.h" |
| 22 | 24 |
#include "omap.h" |
| b/hw/onenand.c | ||
|---|---|---|
| 21 | 21 |
#include "qemu-common.h" |
| 22 | 22 |
#include "flash.h" |
| 23 | 23 |
#include "irq.h" |
| 24 |
#include "sysemu.h" |
|
| 25 |
#include "block.h" |
|
| 24 |
#include "blockdev.h" |
|
| 26 | 25 |
|
| 27 | 26 |
/* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
|
| 28 | 27 |
#define PAGE_SHIFT 11 |
| b/hw/parallel.c | ||
|---|---|---|
| 26 | 26 |
#include "qemu-char.h" |
| 27 | 27 |
#include "isa.h" |
| 28 | 28 |
#include "pc.h" |
| 29 |
#include "sysemu.h" |
|
| 29 | 30 |
|
| 30 | 31 |
//#define DEBUG_PARALLEL |
| 31 | 32 |
|
| b/hw/pc.c | ||
|---|---|---|
| 35 | 35 |
#include "elf.h" |
| 36 | 36 |
#include "multiboot.h" |
| 37 | 37 |
#include "mc146818rtc.h" |
| 38 |
#include "sysemu.h" |
|
| 38 | 39 |
|
| 39 | 40 |
/* output Bochs bios info messages */ |
| 40 | 41 |
//#define DEBUG_BIOS |
| b/hw/pc_piix.c | ||
|---|---|---|
| 32 | 32 |
#include "boards.h" |
| 33 | 33 |
#include "ide.h" |
| 34 | 34 |
#include "kvm.h" |
| 35 |
#include "sysemu.h" |
|
| 35 | 36 |
|
| 36 | 37 |
#define MAX_IDE_BUS 2 |
| 37 | 38 |
|
| b/hw/pci-hotplug.c | ||
|---|---|---|
| 26 | 26 |
#include "boards.h" |
| 27 | 27 |
#include "pci.h" |
| 28 | 28 |
#include "net.h" |
| 29 |
#include "sysemu.h" |
|
| 30 | 29 |
#include "pc.h" |
| 31 | 30 |
#include "monitor.h" |
| 32 |
#include "block_int.h" |
|
| 33 | 31 |
#include "scsi.h" |
| 34 | 32 |
#include "virtio-blk.h" |
| 35 | 33 |
#include "qemu-config.h" |
| b/hw/pcmcia.h | ||
|---|---|---|
| 1 | 1 |
/* PCMCIA/Cardbus */ |
| 2 | 2 |
|
| 3 | 3 |
#include "qemu-common.h" |
| 4 |
#include "sysemu.h"
|
|
| 4 |
#include "blockdev.h"
|
|
| 5 | 5 |
|
| 6 | 6 |
typedef struct {
|
| 7 | 7 |
qemu_irq irq; |
| b/hw/qdev-properties.c | ||
|---|---|---|
| 1 |
#include "sysemu.h" |
|
| 2 | 1 |
#include "net.h" |
| 3 | 2 |
#include "qdev.h" |
| 4 | 3 |
#include "qerror.h" |
| b/hw/qdev.h | ||
|---|---|---|
| 2 | 2 |
#define QDEV_H |
| 3 | 3 |
|
| 4 | 4 |
#include "hw.h" |
| 5 |
#include "sysemu.h"
|
|
| 5 |
#include "blockdev.h"
|
|
| 6 | 6 |
#include "qemu-queue.h" |
| 7 | 7 |
#include "qemu-char.h" |
| 8 | 8 |
#include "qemu-option.h" |
| b/hw/scsi-bus.c | ||
|---|---|---|
| 2 | 2 |
#include "qemu-error.h" |
| 3 | 3 |
#include "scsi.h" |
| 4 | 4 |
#include "scsi-defs.h" |
| 5 |
#include "block.h" |
|
| 6 | 5 |
#include "qdev.h" |
| 7 | 6 |
|
| 8 | 7 |
static struct BusInfo scsi_bus_info = {
|
| b/hw/scsi-disk.c | ||
|---|---|---|
| 33 | 33 |
|
| 34 | 34 |
#include "qemu-common.h" |
| 35 | 35 |
#include "qemu-error.h" |
| 36 |
#include "block.h" |
|
| 37 | 36 |
#include "scsi.h" |
| 38 | 37 |
#include "scsi-defs.h" |
| 38 |
#include "sysemu.h" |
|
| 39 | 39 |
|
| 40 | 40 |
#define SCSI_DMA_BUF_SIZE 131072 |
| 41 | 41 |
#define SCSI_MAX_INQUIRY_LEN 256 |
| b/hw/scsi-generic.c | ||
|---|---|---|
| 13 | 13 |
|
| 14 | 14 |
#include "qemu-common.h" |
| 15 | 15 |
#include "qemu-error.h" |
| 16 |
#include "block.h" |
|
| 17 | 16 |
#include "scsi.h" |
| 18 | 17 |
|
| 19 | 18 |
#ifdef __linux__ |
| b/hw/serial.c | ||
|---|---|---|
| 27 | 27 |
#include "isa.h" |
| 28 | 28 |
#include "pc.h" |
| 29 | 29 |
#include "qemu-timer.h" |
| 30 |
#include "sysemu.h" |
|
| 30 | 31 |
|
| 31 | 32 |
//#define DEBUG_SERIAL |
| 32 | 33 |
|
| b/hw/usb-hid.c | ||
|---|---|---|
| 25 | 25 |
#include "hw.h" |
| 26 | 26 |
#include "console.h" |
| 27 | 27 |
#include "usb.h" |
| 28 |
#include "sysemu.h" |
|
| 28 | 29 |
|
| 29 | 30 |
/* HID interface requests */ |
| 30 | 31 |
#define GET_REPORT 0xa101 |
| b/hw/usb-msd.c | ||
|---|---|---|
| 11 | 11 |
#include "qemu-option.h" |
| 12 | 12 |
#include "qemu-config.h" |
| 13 | 13 |
#include "usb.h" |
| 14 |
#include "block.h" |
|
| 15 | 14 |
#include "scsi.h" |
| 16 | 15 |
#include "console.h" |
| 17 | 16 |
#include "monitor.h" |
| 17 |
#include "sysemu.h" |
|
| 18 | 18 |
|
| 19 | 19 |
//#define DEBUG_MSD |
| 20 | 20 |
|
| b/hw/virtio-blk.c | ||
|---|---|---|
| 12 | 12 |
*/ |
| 13 | 13 |
|
| 14 | 14 |
#include <qemu-common.h> |
| 15 |
#include <sysemu.h> |
|
| 16 | 15 |
#include "virtio-blk.h" |
| 17 |
#include "block_int.h" |
|
| 18 | 16 |
#ifdef __linux__ |
| 19 | 17 |
# include <scsi/sg.h> |
| 20 | 18 |
#endif |
| b/hw/virtio-pci.c | ||
|---|---|---|
| 22 | 22 |
#include "qemu-error.h" |
| 23 | 23 |
#include "msix.h" |
| 24 | 24 |
#include "net.h" |
| 25 |
#include "block_int.h" |
|
| 26 | 25 |
#include "loader.h" |
| 27 | 26 |
#include "kvm.h" |
| 28 | 27 |
|
| b/monitor.c | ||
|---|---|---|
| 38 | 38 |
#include "monitor.h" |
| 39 | 39 |
#include "readline.h" |
| 40 | 40 |
#include "console.h" |
| 41 |
#include "block.h" |
|
| 41 |
#include "blockdev.h"
|
|
| 42 | 42 |
#include "audio/audio.h" |
| 43 | 43 |
#include "disas.h" |
| 44 | 44 |
#include "balloon.h" |
| ... | ... | |
| 530 | 530 |
help_cmd(mon, qdict_get_try_str(qdict, "name")); |
| 531 | 531 |
} |
| 532 | 532 |
|
| 533 |
static void do_commit(Monitor *mon, const QDict *qdict) |
|
| 534 |
{
|
|
| 535 |
int all_devices; |
|
| 536 |
DriveInfo *dinfo; |
|
| 537 |
const char *device = qdict_get_str(qdict, "device"); |
|
| 538 |
|
|
| 539 |
all_devices = !strcmp(device, "all"); |
|
| 540 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 541 |
if (!all_devices) |
|
| 542 |
if (strcmp(bdrv_get_device_name(dinfo->bdrv), device)) |
|
| 543 |
continue; |
|
| 544 |
bdrv_commit(dinfo->bdrv); |
|
| 545 |
} |
|
| 546 |
} |
|
| 547 |
|
|
| 548 | 533 |
static void user_monitor_complete(void *opaque, QObject *ret_data) |
| 549 | 534 |
{
|
| 550 | 535 |
MonitorCompletionData *data = (MonitorCompletionData *)opaque; |
| ... | ... | |
| 949 | 934 |
return 0; |
| 950 | 935 |
} |
| 951 | 936 |
|
| 952 |
static int eject_device(Monitor *mon, BlockDriverState *bs, int force) |
|
| 953 |
{
|
|
| 954 |
if (bdrv_is_inserted(bs)) {
|
|
| 955 |
if (!force) {
|
|
| 956 |
if (!bdrv_is_removable(bs)) {
|
|
| 957 |
qerror_report(QERR_DEVICE_NOT_REMOVABLE, |
|
| 958 |
bdrv_get_device_name(bs)); |
|
| 959 |
return -1; |
|
| 960 |
} |
|
| 961 |
if (bdrv_is_locked(bs)) {
|
|
| 962 |
qerror_report(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs)); |
|
| 963 |
return -1; |
|
| 964 |
} |
|
| 965 |
} |
|
| 966 |
bdrv_close(bs); |
|
| 967 |
} |
|
| 968 |
return 0; |
|
| 969 |
} |
|
| 970 |
|
|
| 971 |
static int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data) |
|
| 972 |
{
|
|
| 973 |
BlockDriverState *bs; |
|
| 974 |
int force = qdict_get_int(qdict, "force"); |
|
| 975 |
const char *filename = qdict_get_str(qdict, "device"); |
|
| 976 |
|
|
| 977 |
bs = bdrv_find(filename); |
|
| 978 |
if (!bs) {
|
|
| 979 |
qerror_report(QERR_DEVICE_NOT_FOUND, filename); |
|
| 980 |
return -1; |
|
| 981 |
} |
|
| 982 |
return eject_device(mon, bs, force); |
|
| 983 |
} |
|
| 984 |
|
|
| 985 |
static int do_block_set_passwd(Monitor *mon, const QDict *qdict, |
|
| 986 |
QObject **ret_data) |
|
| 987 |
{
|
|
| 988 |
BlockDriverState *bs; |
|
| 989 |
int err; |
|
| 990 |
|
|
| 991 |
bs = bdrv_find(qdict_get_str(qdict, "device")); |
|
| 992 |
if (!bs) {
|
|
| 993 |
qerror_report(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device")); |
|
| 994 |
return -1; |
|
| 995 |
} |
|
| 996 |
|
|
| 997 |
err = bdrv_set_key(bs, qdict_get_str(qdict, "password")); |
|
| 998 |
if (err == -EINVAL) {
|
|
| 999 |
qerror_report(QERR_DEVICE_NOT_ENCRYPTED, bdrv_get_device_name(bs)); |
|
| 1000 |
return -1; |
|
| 1001 |
} else if (err < 0) {
|
|
| 1002 |
qerror_report(QERR_INVALID_PASSWORD); |
|
| 1003 |
return -1; |
|
| 1004 |
} |
|
| 1005 |
|
|
| 1006 |
return 0; |
|
| 1007 |
} |
|
| 1008 |
|
|
| 1009 |
static int do_change_block(Monitor *mon, const char *device, |
|
| 1010 |
const char *filename, const char *fmt) |
|
| 1011 |
{
|
|
| 1012 |
BlockDriverState *bs; |
|
| 1013 |
BlockDriver *drv = NULL; |
|
| 1014 |
int bdrv_flags; |
|
| 1015 |
|
|
| 1016 |
bs = bdrv_find(device); |
|
| 1017 |
if (!bs) {
|
|
| 1018 |
qerror_report(QERR_DEVICE_NOT_FOUND, device); |
|
| 1019 |
return -1; |
|
| 1020 |
} |
|
| 1021 |
if (fmt) {
|
|
| 1022 |
drv = bdrv_find_whitelisted_format(fmt); |
|
| 1023 |
if (!drv) {
|
|
| 1024 |
qerror_report(QERR_INVALID_BLOCK_FORMAT, fmt); |
|
| 1025 |
return -1; |
|
| 1026 |
} |
|
| 1027 |
} |
|
| 1028 |
if (eject_device(mon, bs, 0) < 0) {
|
|
| 1029 |
return -1; |
|
| 1030 |
} |
|
| 1031 |
bdrv_flags = bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM ? 0 : BDRV_O_RDWR; |
|
| 1032 |
if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
|
|
| 1033 |
qerror_report(QERR_OPEN_FILE_FAILED, filename); |
|
| 1034 |
return -1; |
|
| 1035 |
} |
|
| 1036 |
return monitor_read_bdrv_key_start(mon, bs, NULL, NULL); |
|
| 1037 |
} |
|
| 1038 |
|
|
| 1039 | 937 |
static int change_vnc_password(const char *password) |
| 1040 | 938 |
{
|
| 1041 | 939 |
if (vnc_display_password(NULL, password) < 0) {
|
| b/qemu-char.c | ||
|---|---|---|
| 28 | 28 |
#include "sysemu.h" |
| 29 | 29 |
#include "qemu-timer.h" |
| 30 | 30 |
#include "qemu-char.h" |
| 31 |
#include "block.h" |
|
| 32 | 31 |
#include "hw/usb.h" |
| 33 | 32 |
#include "hw/baum.h" |
| 34 | 33 |
#include "hw/msmouse.h" |
| b/savevm.c | ||
|---|---|---|
| 77 | 77 |
#include "sysemu.h" |
| 78 | 78 |
#include "qemu-timer.h" |
| 79 | 79 |
#include "qemu-char.h" |
| 80 |
#include "block.h" |
|
| 80 |
#include "blockdev.h"
|
|
| 81 | 81 |
#include "audio/audio.h" |
| 82 | 82 |
#include "migration.h" |
| 83 | 83 |
#include "qemu_socket.h" |
| b/sysemu.h | ||
|---|---|---|
| 147 | 147 |
extern const char *prom_envs[MAX_PROM_ENVS]; |
| 148 | 148 |
extern unsigned int nb_prom_envs; |
| 149 | 149 |
|
| 150 |
typedef enum {
|
|
| 151 |
IF_NONE, |
|
| 152 |
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, |
|
| 153 |
IF_COUNT |
|
| 154 |
} BlockInterfaceType; |
|
| 155 |
|
|
| 156 |
typedef enum {
|
|
| 157 |
BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC, |
|
| 158 |
BLOCK_ERR_STOP_ANY |
|
| 159 |
} BlockInterfaceErrorAction; |
|
| 160 |
|
|
| 161 |
#define BLOCK_SERIAL_STRLEN 20 |
|
| 162 |
|
|
| 163 |
typedef struct DriveInfo {
|
|
| 164 |
BlockDriverState *bdrv; |
|
| 165 |
char *id; |
|
| 166 |
const char *devaddr; |
|
| 167 |
BlockInterfaceType type; |
|
| 168 |
int bus; |
|
| 169 |
int unit; |
|
| 170 |
QemuOpts *opts; |
|
| 171 |
BlockInterfaceErrorAction on_read_error; |
|
| 172 |
BlockInterfaceErrorAction on_write_error; |
|
| 173 |
char serial[BLOCK_SERIAL_STRLEN + 1]; |
|
| 174 |
QTAILQ_ENTRY(DriveInfo) next; |
|
| 175 |
} DriveInfo; |
|
| 176 |
|
|
| 177 |
#define MAX_IDE_DEVS 2 |
|
| 178 |
#define MAX_SCSI_DEVS 7 |
|
| 179 |
|
|
| 180 |
extern QTAILQ_HEAD(drivelist, DriveInfo) drives; |
|
| 181 |
|
|
| 182 |
extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit); |
|
| 183 |
extern DriveInfo *drive_get_by_id(const char *id); |
|
| 184 |
extern int drive_get_max_bus(BlockInterfaceType type); |
|
| 185 |
extern void drive_uninit(DriveInfo *dinfo); |
|
| 186 |
extern const char *drive_get_serial(BlockDriverState *bdrv); |
|
| 187 |
|
|
| 188 |
extern BlockInterfaceErrorAction drive_get_on_error( |
|
| 189 |
BlockDriverState *bdrv, int is_read); |
|
| 190 |
|
|
| 191 |
extern QemuOpts *drive_add(const char *file, const char *fmt, ...); |
|
| 192 |
extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi, |
|
| 193 |
int *fatal_error); |
|
| 194 |
|
|
| 195 |
/* device-hotplug */ |
|
| 196 |
|
|
| 197 |
DriveInfo *add_init_drive(const char *opts); |
|
| 198 |
|
|
| 199 | 150 |
/* pci-hotplug */ |
| 200 | 151 |
void pci_device_hot_add(Monitor *mon, const QDict *qdict); |
| 201 | 152 |
void drive_hot_add(Monitor *mon, const QDict *qdict); |
| b/vl.c | ||
|---|---|---|
| 140 | 140 |
#include "qemu-char.h" |
| 141 | 141 |
#include "cache-utils.h" |
| 142 | 142 |
#include "block.h" |
| 143 |
#include "block_int.h"
|
|
| 143 |
#include "blockdev.h"
|
|
| 144 | 144 |
#include "block-migration.h" |
| 145 | 145 |
#include "dma.h" |
| 146 | 146 |
#include "audio/audio.h" |
| ... | ... | |
| 172 | 172 |
|
| 173 | 173 |
static const char *data_dir; |
| 174 | 174 |
const char *bios_name = NULL; |
| 175 |
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives); |
|
| 176 | 175 |
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; |
| 177 | 176 |
DisplayType display_type = DT_DEFAULT; |
| 178 | 177 |
const char* keyboard_layout = NULL; |
| ... | ... | |
| 651 | 650 |
#define MTD_ALIAS "if=mtd" |
| 652 | 651 |
#define SD_ALIAS "index=0,if=sd" |
| 653 | 652 |
|
| 654 |
QemuOpts *drive_add(const char *file, const char *fmt, ...) |
|
| 655 |
{
|
|
| 656 |
va_list ap; |
|
| 657 |
char optstr[1024]; |
|
| 658 |
QemuOpts *opts; |
|
| 659 |
|
|
| 660 |
va_start(ap, fmt); |
|
| 661 |
vsnprintf(optstr, sizeof(optstr), fmt, ap); |
|
| 662 |
va_end(ap); |
|
| 663 |
|
|
| 664 |
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0); |
|
| 665 |
if (!opts) {
|
|
| 666 |
return NULL; |
|
| 667 |
} |
|
| 668 |
if (file) |
|
| 669 |
qemu_opt_set(opts, "file", file); |
|
| 670 |
return opts; |
|
| 671 |
} |
|
| 672 |
|
|
| 673 |
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit) |
|
| 674 |
{
|
|
| 675 |
DriveInfo *dinfo; |
|
| 676 |
|
|
| 677 |
/* seek interface, bus and unit */ |
|
| 678 |
|
|
| 679 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 680 |
if (dinfo->type == type && |
|
| 681 |
dinfo->bus == bus && |
|
| 682 |
dinfo->unit == unit) |
|
| 683 |
return dinfo; |
|
| 684 |
} |
|
| 685 |
|
|
| 686 |
return NULL; |
|
| 687 |
} |
|
| 688 |
|
|
| 689 |
DriveInfo *drive_get_by_id(const char *id) |
|
| 690 |
{
|
|
| 691 |
DriveInfo *dinfo; |
|
| 692 |
|
|
| 693 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 694 |
if (strcmp(id, dinfo->id)) |
|
| 695 |
continue; |
|
| 696 |
return dinfo; |
|
| 697 |
} |
|
| 698 |
return NULL; |
|
| 699 |
} |
|
| 700 |
|
|
| 701 |
int drive_get_max_bus(BlockInterfaceType type) |
|
| 702 |
{
|
|
| 703 |
int max_bus; |
|
| 704 |
DriveInfo *dinfo; |
|
| 705 |
|
|
| 706 |
max_bus = -1; |
|
| 707 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 708 |
if(dinfo->type == type && |
|
| 709 |
dinfo->bus > max_bus) |
|
| 710 |
max_bus = dinfo->bus; |
|
| 711 |
} |
|
| 712 |
return max_bus; |
|
| 713 |
} |
|
| 714 |
|
|
| 715 |
const char *drive_get_serial(BlockDriverState *bdrv) |
|
| 716 |
{
|
|
| 717 |
DriveInfo *dinfo; |
|
| 718 |
|
|
| 719 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 720 |
if (dinfo->bdrv == bdrv) |
|
| 721 |
return dinfo->serial; |
|
| 722 |
} |
|
| 723 |
|
|
| 724 |
return "\0"; |
|
| 725 |
} |
|
| 726 |
|
|
| 727 |
BlockInterfaceErrorAction drive_get_on_error( |
|
| 728 |
BlockDriverState *bdrv, int is_read) |
|
| 729 |
{
|
|
| 730 |
DriveInfo *dinfo; |
|
| 731 |
|
|
| 732 |
QTAILQ_FOREACH(dinfo, &drives, next) {
|
|
| 733 |
if (dinfo->bdrv == bdrv) |
|
| 734 |
return is_read ? dinfo->on_read_error : dinfo->on_write_error; |
|
| 735 |
} |
|
| 736 |
|
|
| 737 |
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC; |
|
| 738 |
} |
|
| 739 |
|
|
| 740 |
static void bdrv_format_print(void *opaque, const char *name) |
|
| 741 |
{
|
|
| 742 |
fprintf(stderr, " %s", name); |
|
| 743 |
} |
|
| 744 |
|
|
| 745 |
void drive_uninit(DriveInfo *dinfo) |
|
| 746 |
{
|
|
| 747 |
qemu_opts_del(dinfo->opts); |
|
| 748 |
bdrv_delete(dinfo->bdrv); |
|
| 749 |
QTAILQ_REMOVE(&drives, dinfo, next); |
|
| 750 |
qemu_free(dinfo); |
|
| 751 |
} |
|
| 752 |
|
|
| 753 |
static int parse_block_error_action(const char *buf, int is_read) |
|
| 754 |
{
|
|
| 755 |
if (!strcmp(buf, "ignore")) {
|
|
| 756 |
return BLOCK_ERR_IGNORE; |
|
| 757 |
} else if (!is_read && !strcmp(buf, "enospc")) {
|
|
| 758 |
return BLOCK_ERR_STOP_ENOSPC; |
|
| 759 |
} else if (!strcmp(buf, "stop")) {
|
|
| 760 |
return BLOCK_ERR_STOP_ANY; |
|
| 761 |
} else if (!strcmp(buf, "report")) {
|
|
| 762 |
return BLOCK_ERR_REPORT; |
|
| 763 |
} else {
|
|
| 764 |
fprintf(stderr, "qemu: '%s' invalid %s error action\n", |
|
| 765 |
buf, is_read ? "read" : "write"); |
|
| 766 |
return -1; |
|
| 767 |
} |
|
| 768 |
} |
|
| 769 |
|
|
| 770 |
DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error) |
|
| 771 |
{
|
|
| 772 |
const char *buf; |
|
| 773 |
const char *file = NULL; |
|
| 774 |
char devname[128]; |
|
| 775 |
const char *serial; |
|
| 776 |
const char *mediastr = ""; |
|
| 777 |
BlockInterfaceType type; |
|
| 778 |
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
|
| 779 |
int bus_id, unit_id; |
|
| 780 |
int cyls, heads, secs, translation; |
|
| 781 |
BlockDriver *drv = NULL; |
|
| 782 |
int max_devs; |
|
| 783 |
int index; |
|
| 784 |
int ro = 0; |
|
| 785 |
int bdrv_flags = 0; |
|
| 786 |
int on_read_error, on_write_error; |
|
| 787 |
const char *devaddr; |
|
| 788 |
DriveInfo *dinfo; |
|
| 789 |
int snapshot = 0; |
|
| 790 |
int ret; |
|
| 791 |
|
|
| 792 |
*fatal_error = 1; |
|
| 793 |
|
|
| 794 |
translation = BIOS_ATA_TRANSLATION_AUTO; |
|
| 795 |
|
|
| 796 |
if (default_to_scsi) {
|
|
| 797 |
type = IF_SCSI; |
|
| 798 |
max_devs = MAX_SCSI_DEVS; |
|
| 799 |
pstrcpy(devname, sizeof(devname), "scsi"); |
|
| 800 |
} else {
|
|
| 801 |
type = IF_IDE; |
|
| 802 |
max_devs = MAX_IDE_DEVS; |
|
| 803 |
pstrcpy(devname, sizeof(devname), "ide"); |
|
| 804 |
} |
|
| 805 |
media = MEDIA_DISK; |
|
| 806 |
|
|
| 807 |
/* extract parameters */ |
|
| 808 |
bus_id = qemu_opt_get_number(opts, "bus", 0); |
|
| 809 |
unit_id = qemu_opt_get_number(opts, "unit", -1); |
|
| 810 |
index = qemu_opt_get_number(opts, "index", -1); |
|
| 811 |
|
|
| 812 |
cyls = qemu_opt_get_number(opts, "cyls", 0); |
|
| 813 |
heads = qemu_opt_get_number(opts, "heads", 0); |
|
| 814 |
secs = qemu_opt_get_number(opts, "secs", 0); |
|
| 815 |
|
|
| 816 |
snapshot = qemu_opt_get_bool(opts, "snapshot", 0); |
|
| 817 |
ro = qemu_opt_get_bool(opts, "readonly", 0); |
|
| 818 |
|
|
| 819 |
file = qemu_opt_get(opts, "file"); |
|
| 820 |
serial = qemu_opt_get(opts, "serial"); |
|
| 821 |
|
|
| 822 |
if ((buf = qemu_opt_get(opts, "if")) != NULL) {
|
|
| 823 |
pstrcpy(devname, sizeof(devname), buf); |
|
| 824 |
if (!strcmp(buf, "ide")) {
|
|
| 825 |
type = IF_IDE; |
|
| 826 |
max_devs = MAX_IDE_DEVS; |
|
| 827 |
} else if (!strcmp(buf, "scsi")) {
|
|
| 828 |
type = IF_SCSI; |
|
| 829 |
max_devs = MAX_SCSI_DEVS; |
|
| 830 |
} else if (!strcmp(buf, "floppy")) {
|
|
| 831 |
type = IF_FLOPPY; |
|
| 832 |
max_devs = 0; |
|
| 833 |
} else if (!strcmp(buf, "pflash")) {
|
|
| 834 |
type = IF_PFLASH; |
|
| 835 |
max_devs = 0; |
|
| 836 |
} else if (!strcmp(buf, "mtd")) {
|
|
| 837 |
type = IF_MTD; |
|
| 838 |
max_devs = 0; |
|
| 839 |
} else if (!strcmp(buf, "sd")) {
|
|
| 840 |
type = IF_SD; |
|
| 841 |
max_devs = 0; |
|
| 842 |
} else if (!strcmp(buf, "virtio")) {
|
|
| 843 |
type = IF_VIRTIO; |
|
| 844 |
max_devs = 0; |
|
| 845 |
} else if (!strcmp(buf, "xen")) {
|
|
| 846 |
type = IF_XEN; |
|
| 847 |
max_devs = 0; |
|
| 848 |
} else if (!strcmp(buf, "none")) {
|
|
| 849 |
type = IF_NONE; |
|
| 850 |
max_devs = 0; |
|
| 851 |
} else {
|
|
| 852 |
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf); |
|
| 853 |
return NULL; |
|
| 854 |
} |
|
| 855 |
} |
|
| 856 |
|
|
| 857 |
if (cyls || heads || secs) {
|
|
| 858 |
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
|
|
| 859 |
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf); |
|
| 860 |
return NULL; |
|
| 861 |
} |
|
| 862 |
if (heads < 1 || (type == IF_IDE && heads > 16)) {
|
|
| 863 |
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf); |
|
| 864 |
return NULL; |
|
| 865 |
} |
|
| 866 |
if (secs < 1 || (type == IF_IDE && secs > 63)) {
|
|
| 867 |
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf); |
|
| 868 |
return NULL; |
|
| 869 |
} |
|
| 870 |
} |
|
| 871 |
|
|
| 872 |
if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
|
|
| 873 |
if (!cyls) {
|
|
| 874 |
fprintf(stderr, |
|
| 875 |
"qemu: '%s' trans must be used with cyls,heads and secs\n", |
|
| 876 |
buf); |
|
Also available in: Unified diff