blockdev: Collect block device code in new blockdev.c
Anything that moves hundreds of lines out of vl.c can't be all bad. Signed-off-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
parent
7b370f5130
commit
666daa6823
@ -44,7 +44,7 @@ fsdev-obj-$(CONFIG_LINUX) += $(addprefix fsdev/, $(fsdev-nested-y))
|
||||
# system emulation, i.e. a single QEMU executable should support all
|
||||
# CPUs and machines.
|
||||
|
||||
common-obj-y = $(block-obj-y)
|
||||
common-obj-y = $(block-obj-y) blockdev.o
|
||||
common-obj-y += $(net-obj-y)
|
||||
common-obj-y += $(qobject-obj-y)
|
||||
common-obj-$(CONFIG_LINUX) += $(fsdev-obj-$(CONFIG_LINUX))
|
||||
|
600
blockdev.c
Normal file
600
blockdev.c
Normal file
@ -0,0 +1,600 @@
|
||||
/*
|
||||
* QEMU host block devices
|
||||
*
|
||||
* Copyright (c) 2003-2008 Fabrice Bellard
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or
|
||||
* later. See the COPYING file in the top-level directory.
|
||||
*/
|
||||
|
||||
#include "block.h"
|
||||
#include "blockdev.h"
|
||||
#include "monitor.h"
|
||||
#include "qerror.h"
|
||||
#include "qemu-option.h"
|
||||
#include "qemu-config.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
|
||||
|
||||
QemuOpts *drive_add(const char *file, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char optstr[1024];
|
||||
QemuOpts *opts;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(optstr, sizeof(optstr), fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
|
||||
if (!opts) {
|
||||
return NULL;
|
||||
}
|
||||
if (file)
|
||||
qemu_opt_set(opts, "file", file);
|
||||
return opts;
|
||||
}
|
||||
|
||||
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
/* seek interface, bus and unit */
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->type == type &&
|
||||
dinfo->bus == bus &&
|
||||
dinfo->unit == unit)
|
||||
return dinfo;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
DriveInfo *drive_get_by_id(const char *id)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (strcmp(id, dinfo->id))
|
||||
continue;
|
||||
return dinfo;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int drive_get_max_bus(BlockInterfaceType type)
|
||||
{
|
||||
int max_bus;
|
||||
DriveInfo *dinfo;
|
||||
|
||||
max_bus = -1;
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if(dinfo->type == type &&
|
||||
dinfo->bus > max_bus)
|
||||
max_bus = dinfo->bus;
|
||||
}
|
||||
return max_bus;
|
||||
}
|
||||
|
||||
const char *drive_get_serial(BlockDriverState *bdrv)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->bdrv == bdrv)
|
||||
return dinfo->serial;
|
||||
}
|
||||
|
||||
return "\0";
|
||||
}
|
||||
|
||||
BlockInterfaceErrorAction drive_get_on_error(
|
||||
BlockDriverState *bdrv, int is_read)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->bdrv == bdrv)
|
||||
return is_read ? dinfo->on_read_error : dinfo->on_write_error;
|
||||
}
|
||||
|
||||
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
|
||||
}
|
||||
|
||||
static void bdrv_format_print(void *opaque, const char *name)
|
||||
{
|
||||
fprintf(stderr, " %s", name);
|
||||
}
|
||||
|
||||
void drive_uninit(DriveInfo *dinfo)
|
||||
{
|
||||
qemu_opts_del(dinfo->opts);
|
||||
bdrv_delete(dinfo->bdrv);
|
||||
QTAILQ_REMOVE(&drives, dinfo, next);
|
||||
qemu_free(dinfo);
|
||||
}
|
||||
|
||||
static int parse_block_error_action(const char *buf, int is_read)
|
||||
{
|
||||
if (!strcmp(buf, "ignore")) {
|
||||
return BLOCK_ERR_IGNORE;
|
||||
} else if (!is_read && !strcmp(buf, "enospc")) {
|
||||
return BLOCK_ERR_STOP_ENOSPC;
|
||||
} else if (!strcmp(buf, "stop")) {
|
||||
return BLOCK_ERR_STOP_ANY;
|
||||
} else if (!strcmp(buf, "report")) {
|
||||
return BLOCK_ERR_REPORT;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: '%s' invalid %s error action\n",
|
||||
buf, is_read ? "read" : "write");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
|
||||
{
|
||||
const char *buf;
|
||||
const char *file = NULL;
|
||||
char devname[128];
|
||||
const char *serial;
|
||||
const char *mediastr = "";
|
||||
BlockInterfaceType type;
|
||||
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
||||
int bus_id, unit_id;
|
||||
int cyls, heads, secs, translation;
|
||||
BlockDriver *drv = NULL;
|
||||
int max_devs;
|
||||
int index;
|
||||
int ro = 0;
|
||||
int bdrv_flags = 0;
|
||||
int on_read_error, on_write_error;
|
||||
const char *devaddr;
|
||||
DriveInfo *dinfo;
|
||||
int snapshot = 0;
|
||||
int ret;
|
||||
|
||||
*fatal_error = 1;
|
||||
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
|
||||
if (default_to_scsi) {
|
||||
type = IF_SCSI;
|
||||
max_devs = MAX_SCSI_DEVS;
|
||||
pstrcpy(devname, sizeof(devname), "scsi");
|
||||
} else {
|
||||
type = IF_IDE;
|
||||
max_devs = MAX_IDE_DEVS;
|
||||
pstrcpy(devname, sizeof(devname), "ide");
|
||||
}
|
||||
media = MEDIA_DISK;
|
||||
|
||||
/* extract parameters */
|
||||
bus_id = qemu_opt_get_number(opts, "bus", 0);
|
||||
unit_id = qemu_opt_get_number(opts, "unit", -1);
|
||||
index = qemu_opt_get_number(opts, "index", -1);
|
||||
|
||||
cyls = qemu_opt_get_number(opts, "cyls", 0);
|
||||
heads = qemu_opt_get_number(opts, "heads", 0);
|
||||
secs = qemu_opt_get_number(opts, "secs", 0);
|
||||
|
||||
snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
|
||||
ro = qemu_opt_get_bool(opts, "readonly", 0);
|
||||
|
||||
file = qemu_opt_get(opts, "file");
|
||||
serial = qemu_opt_get(opts, "serial");
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "if")) != NULL) {
|
||||
pstrcpy(devname, sizeof(devname), buf);
|
||||
if (!strcmp(buf, "ide")) {
|
||||
type = IF_IDE;
|
||||
max_devs = MAX_IDE_DEVS;
|
||||
} else if (!strcmp(buf, "scsi")) {
|
||||
type = IF_SCSI;
|
||||
max_devs = MAX_SCSI_DEVS;
|
||||
} else if (!strcmp(buf, "floppy")) {
|
||||
type = IF_FLOPPY;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "pflash")) {
|
||||
type = IF_PFLASH;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "mtd")) {
|
||||
type = IF_MTD;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "sd")) {
|
||||
type = IF_SD;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "virtio")) {
|
||||
type = IF_VIRTIO;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "xen")) {
|
||||
type = IF_XEN;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "none")) {
|
||||
type = IF_NONE;
|
||||
max_devs = 0;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if (cyls || heads || secs) {
|
||||
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
if (heads < 1 || (type == IF_IDE && heads > 16)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
if (secs < 1 || (type == IF_IDE && secs > 63)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
|
||||
if (!cyls) {
|
||||
fprintf(stderr,
|
||||
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
||||
buf);
|
||||
return NULL;
|
||||
}
|
||||
if (!strcmp(buf, "none"))
|
||||
translation = BIOS_ATA_TRANSLATION_NONE;
|
||||
else if (!strcmp(buf, "lba"))
|
||||
translation = BIOS_ATA_TRANSLATION_LBA;
|
||||
else if (!strcmp(buf, "auto"))
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
else {
|
||||
fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "media")) != NULL) {
|
||||
if (!strcmp(buf, "disk")) {
|
||||
media = MEDIA_DISK;
|
||||
} else if (!strcmp(buf, "cdrom")) {
|
||||
if (cyls || secs || heads) {
|
||||
fprintf(stderr,
|
||||
"qemu: '%s' invalid physical CHS format\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
media = MEDIA_CDROM;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: '%s' invalid media\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
|
||||
if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
|
||||
bdrv_flags |= BDRV_O_NOCACHE;
|
||||
} else if (!strcmp(buf, "writeback")) {
|
||||
bdrv_flags |= BDRV_O_CACHE_WB;
|
||||
} else if (!strcmp(buf, "unsafe")) {
|
||||
bdrv_flags |= BDRV_O_CACHE_WB;
|
||||
bdrv_flags |= BDRV_O_NO_FLUSH;
|
||||
} else if (!strcmp(buf, "writethrough")) {
|
||||
/* this is the default */
|
||||
} else {
|
||||
fprintf(stderr, "qemu: invalid cache option\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_LINUX_AIO
|
||||
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
|
||||
if (!strcmp(buf, "native")) {
|
||||
bdrv_flags |= BDRV_O_NATIVE_AIO;
|
||||
} else if (!strcmp(buf, "threads")) {
|
||||
/* this is the default */
|
||||
} else {
|
||||
fprintf(stderr, "qemu: invalid aio option\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
|
||||
if (strcmp(buf, "?") == 0) {
|
||||
fprintf(stderr, "qemu: Supported formats:");
|
||||
bdrv_iterate_format(bdrv_format_print, NULL);
|
||||
fprintf(stderr, "\n");
|
||||
return NULL;
|
||||
}
|
||||
drv = bdrv_find_whitelisted_format(buf);
|
||||
if (!drv) {
|
||||
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
on_write_error = BLOCK_ERR_STOP_ENOSPC;
|
||||
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
|
||||
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
|
||||
fprintf(stderr, "werror is no supported by this format\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
on_write_error = parse_block_error_action(buf, 0);
|
||||
if (on_write_error < 0) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
on_read_error = BLOCK_ERR_REPORT;
|
||||
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
|
||||
if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
|
||||
fprintf(stderr, "rerror is no supported by this format\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
on_read_error = parse_block_error_action(buf, 1);
|
||||
if (on_read_error < 0) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
|
||||
if (type != IF_VIRTIO) {
|
||||
fprintf(stderr, "addr is not supported\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* compute bus and unit according index */
|
||||
|
||||
if (index != -1) {
|
||||
if (bus_id != 0 || unit_id != -1) {
|
||||
fprintf(stderr,
|
||||
"qemu: index cannot be used with bus and unit\n");
|
||||
return NULL;
|
||||
}
|
||||
if (max_devs == 0)
|
||||
{
|
||||
unit_id = index;
|
||||
bus_id = 0;
|
||||
} else {
|
||||
unit_id = index % max_devs;
|
||||
bus_id = index / max_devs;
|
||||
}
|
||||
}
|
||||
|
||||
/* if user doesn't specify a unit_id,
|
||||
* try to find the first free
|
||||
*/
|
||||
|
||||
if (unit_id == -1) {
|
||||
unit_id = 0;
|
||||
while (drive_get(type, bus_id, unit_id) != NULL) {
|
||||
unit_id++;
|
||||
if (max_devs && unit_id >= max_devs) {
|
||||
unit_id -= max_devs;
|
||||
bus_id++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* check unit id */
|
||||
|
||||
if (max_devs && unit_id >= max_devs) {
|
||||
fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
|
||||
unit_id, max_devs - 1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* ignore multiple definitions
|
||||
*/
|
||||
|
||||
if (drive_get(type, bus_id, unit_id) != NULL) {
|
||||
*fatal_error = 0;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* init */
|
||||
|
||||
dinfo = qemu_mallocz(sizeof(*dinfo));
|
||||
if ((buf = qemu_opts_id(opts)) != NULL) {
|
||||
dinfo->id = qemu_strdup(buf);
|
||||
} else {
|
||||
/* no id supplied -> create one */
|
||||
dinfo->id = qemu_mallocz(32);
|
||||
if (type == IF_IDE || type == IF_SCSI)
|
||||
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
|
||||
if (max_devs)
|
||||
snprintf(dinfo->id, 32, "%s%i%s%i",
|
||||
devname, bus_id, mediastr, unit_id);
|
||||
else
|
||||
snprintf(dinfo->id, 32, "%s%s%i",
|
||||
devname, mediastr, unit_id);
|
||||
}
|
||||
dinfo->bdrv = bdrv_new(dinfo->id);
|
||||
dinfo->devaddr = devaddr;
|
||||
dinfo->type = type;
|
||||
dinfo->bus = bus_id;
|
||||
dinfo->unit = unit_id;
|
||||
dinfo->on_read_error = on_read_error;
|
||||
dinfo->on_write_error = on_write_error;
|
||||
dinfo->opts = opts;
|
||||
if (serial)
|
||||
strncpy(dinfo->serial, serial, sizeof(serial));
|
||||
QTAILQ_INSERT_TAIL(&drives, dinfo, next);
|
||||
|
||||
switch(type) {
|
||||
case IF_IDE:
|
||||
case IF_SCSI:
|
||||
case IF_XEN:
|
||||
case IF_NONE:
|
||||
switch(media) {
|
||||
case MEDIA_DISK:
|
||||
if (cyls != 0) {
|
||||
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
|
||||
bdrv_set_translation_hint(dinfo->bdrv, translation);
|
||||
}
|
||||
break;
|
||||
case MEDIA_CDROM:
|
||||
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case IF_SD:
|
||||
/* FIXME: This isn't really a floppy, but it's a reasonable
|
||||
approximation. */
|
||||
case IF_FLOPPY:
|
||||
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
|
||||
break;
|
||||
case IF_PFLASH:
|
||||
case IF_MTD:
|
||||
break;
|
||||
case IF_VIRTIO:
|
||||
/* add virtio block device */
|
||||
opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
|
||||
qemu_opt_set(opts, "driver", "virtio-blk-pci");
|
||||
qemu_opt_set(opts, "drive", dinfo->id);
|
||||
if (devaddr)
|
||||
qemu_opt_set(opts, "addr", devaddr);
|
||||
break;
|
||||
case IF_COUNT:
|
||||
abort();
|
||||
}
|
||||
if (!file) {
|
||||
*fatal_error = 0;
|
||||
return NULL;
|
||||
}
|
||||
if (snapshot) {
|
||||
/* always use cache=unsafe with snapshot */
|
||||
bdrv_flags &= ~BDRV_O_CACHE_MASK;
|
||||
bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
|
||||
}
|
||||
|
||||
if (media == MEDIA_CDROM) {
|
||||
/* CDROM is fine for any interface, don't check. */
|
||||
ro = 1;
|
||||
} else if (ro == 1) {
|
||||
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
|
||||
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
|
||||
|
||||
ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
|
||||
file, strerror(-ret));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (bdrv_key_required(dinfo->bdrv))
|
||||
autostart = 0;
|
||||
*fatal_error = 0;
|
||||
return dinfo;
|
||||
}
|
||||
|
||||
void do_commit(Monitor *mon, const QDict *qdict)
|
||||
{
|
||||
int all_devices;
|
||||
DriveInfo *dinfo;
|
||||
const char *device = qdict_get_str(qdict, "device");
|
||||
|
||||
all_devices = !strcmp(device, "all");
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (!all_devices)
|
||||
if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
|
||||
continue;
|
||||
bdrv_commit(dinfo->bdrv);
|
||||
}
|
||||
}
|
||||
|
||||
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
|
||||
{
|
||||
if (bdrv_is_inserted(bs)) {
|
||||
if (!force) {
|
||||
if (!bdrv_is_removable(bs)) {
|
||||
qerror_report(QERR_DEVICE_NOT_REMOVABLE,
|
||||
bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
}
|
||||
if (bdrv_is_locked(bs)) {
|
||||
qerror_report(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
bdrv_close(bs);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
int force = qdict_get_int(qdict, "force");
|
||||
const char *filename = qdict_get_str(qdict, "device");
|
||||
|
||||
bs = bdrv_find(filename);
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, filename);
|
||||
return -1;
|
||||
}
|
||||
return eject_device(mon, bs, force);
|
||||
}
|
||||
|
||||
int do_block_set_passwd(Monitor *mon, const QDict *qdict,
|
||||
QObject **ret_data)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
int err;
|
||||
|
||||
bs = bdrv_find(qdict_get_str(qdict, "device"));
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
err = bdrv_set_key(bs, qdict_get_str(qdict, "password"));
|
||||
if (err == -EINVAL) {
|
||||
qerror_report(QERR_DEVICE_NOT_ENCRYPTED, bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
} else if (err < 0) {
|
||||
qerror_report(QERR_INVALID_PASSWORD);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int do_change_block(Monitor *mon, const char *device,
|
||||
const char *filename, const char *fmt)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
BlockDriver *drv = NULL;
|
||||
int bdrv_flags;
|
||||
|
||||
bs = bdrv_find(device);
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, device);
|
||||
return -1;
|
||||
}
|
||||
if (fmt) {
|
||||
drv = bdrv_find_whitelisted_format(fmt);
|
||||
if (!drv) {
|
||||
qerror_report(QERR_INVALID_BLOCK_FORMAT, fmt);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
if (eject_device(mon, bs, 0) < 0) {
|
||||
return -1;
|
||||
}
|
||||
bdrv_flags = bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM ? 0 : BDRV_O_RDWR;
|
||||
if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
|
||||
qerror_report(QERR_OPEN_FILE_FAILED, filename);
|
||||
return -1;
|
||||
}
|
||||
return monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
|
||||
}
|
71
blockdev.h
Normal file
71
blockdev.h
Normal file
@ -0,0 +1,71 @@
|
||||
/*
|
||||
* QEMU host block devices
|
||||
*
|
||||
* Copyright (c) 2003-2008 Fabrice Bellard
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or
|
||||
* later. See the COPYING file in the top-level directory.
|
||||
*/
|
||||
|
||||
#ifndef BLOCKDEV_H
|
||||
#define BLOCKDEV_H
|
||||
|
||||
#include "block.h"
|
||||
#include "qemu-queue.h"
|
||||
|
||||
typedef enum {
|
||||
IF_NONE,
|
||||
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
|
||||
IF_COUNT
|
||||
} BlockInterfaceType;
|
||||
|
||||
typedef enum {
|
||||
BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
|
||||
BLOCK_ERR_STOP_ANY
|
||||
} BlockInterfaceErrorAction;
|
||||
|
||||
#define BLOCK_SERIAL_STRLEN 20
|
||||
|
||||
typedef struct DriveInfo {
|
||||
BlockDriverState *bdrv;
|
||||
char *id;
|
||||
const char *devaddr;
|
||||
BlockInterfaceType type;
|
||||
int bus;
|
||||
int unit;
|
||||
QemuOpts *opts;
|
||||
BlockInterfaceErrorAction on_read_error;
|
||||
BlockInterfaceErrorAction on_write_error;
|
||||
char serial[BLOCK_SERIAL_STRLEN + 1];
|
||||
QTAILQ_ENTRY(DriveInfo) next;
|
||||
} DriveInfo;
|
||||
|
||||
#define MAX_IDE_DEVS 2
|
||||
#define MAX_SCSI_DEVS 7
|
||||
|
||||
extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
|
||||
|
||||
extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
|
||||
extern DriveInfo *drive_get_by_id(const char *id);
|
||||
extern int drive_get_max_bus(BlockInterfaceType type);
|
||||
extern void drive_uninit(DriveInfo *dinfo);
|
||||
extern const char *drive_get_serial(BlockDriverState *bdrv);
|
||||
|
||||
extern BlockInterfaceErrorAction drive_get_on_error(
|
||||
BlockDriverState *bdrv, int is_read);
|
||||
|
||||
extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
|
||||
extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,
|
||||
int *fatal_error);
|
||||
|
||||
/* device-hotplug */
|
||||
|
||||
DriveInfo *add_init_drive(const char *opts);
|
||||
|
||||
void do_commit(Monitor *mon, const QDict *qdict);
|
||||
int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data);
|
||||
int do_block_set_passwd(Monitor *mon, const QDict *qdict, QObject **ret_data);
|
||||
int do_change_block(Monitor *mon, const char *device,
|
||||
const char *filename, const char *fmt);
|
||||
|
||||
#endif
|
@ -21,6 +21,7 @@
|
||||
#include "pm_smbus.h"
|
||||
#include "pci.h"
|
||||
#include "acpi.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
//#define DEBUG
|
||||
|
||||
|
@ -31,6 +31,7 @@
|
||||
#include "pci_host.h"
|
||||
#include "rwhandler.h"
|
||||
#include "apb_pci.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
/* debug APB */
|
||||
//#define DEBUG_APB
|
||||
|
@ -25,8 +25,6 @@
|
||||
#include "hw.h"
|
||||
#include "boards.h"
|
||||
#include "net.h"
|
||||
#include "block_int.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
DriveInfo *add_init_drive(const char *optstr)
|
||||
{
|
||||
|
1
hw/fdc.c
1
hw/fdc.c
@ -29,7 +29,6 @@
|
||||
|
||||
#include "hw.h"
|
||||
#include "fdc.h"
|
||||
#include "block.h"
|
||||
#include "qemu-timer.h"
|
||||
#include "isa.h"
|
||||
#include "sysbus.h"
|
||||
|
2
hw/fdc.h
2
hw/fdc.h
@ -2,7 +2,7 @@
|
||||
#define HW_FDC_H
|
||||
|
||||
/* fdc.c */
|
||||
#include "sysemu.h"
|
||||
#include "blockdev.h"
|
||||
#define MAX_FD 2
|
||||
|
||||
typedef struct FDCtrl FDCtrl;
|
||||
|
@ -26,8 +26,6 @@
|
||||
#include <hw/pc.h>
|
||||
#include <hw/pci.h>
|
||||
#include <hw/scsi.h>
|
||||
#include "block.h"
|
||||
#include "block_int.h"
|
||||
#include "qemu-timer.h"
|
||||
#include "sysemu.h"
|
||||
#include "dma.h"
|
||||
|
@ -17,7 +17,6 @@
|
||||
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
#include <hw/hw.h>
|
||||
#include "sysemu.h"
|
||||
#include "dma.h"
|
||||
|
||||
#include <hw/ide/internal.h>
|
||||
|
@ -10,6 +10,7 @@
|
||||
#include "sysbus.h"
|
||||
#include "net.h"
|
||||
#include "devices.h"
|
||||
#include "sysemu.h"
|
||||
/* For crc32 */
|
||||
#include <zlib.h>
|
||||
|
||||
|
@ -13,9 +13,8 @@
|
||||
|
||||
# include "hw.h"
|
||||
# include "flash.h"
|
||||
# include "block.h"
|
||||
# include "blockdev.h"
|
||||
/* FIXME: Pass block device as an argument. */
|
||||
# include "sysemu.h"
|
||||
|
||||
# define NAND_CMD_READ0 0x00
|
||||
# define NAND_CMD_READ1 0x01
|
||||
|
@ -17,6 +17,8 @@
|
||||
* You should have received a copy of the GNU General Public License along
|
||||
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include "blockdev.h"
|
||||
#include "hw.h"
|
||||
#include "arm-misc.h"
|
||||
#include "omap.h"
|
||||
|
@ -21,8 +21,7 @@
|
||||
#include "qemu-common.h"
|
||||
#include "flash.h"
|
||||
#include "irq.h"
|
||||
#include "sysemu.h"
|
||||
#include "block.h"
|
||||
#include "blockdev.h"
|
||||
|
||||
/* 11 for 2kB-page OneNAND ("2nd generation") and 10 for 1kB-page chips */
|
||||
#define PAGE_SHIFT 11
|
||||
|
@ -26,6 +26,7 @@
|
||||
#include "qemu-char.h"
|
||||
#include "isa.h"
|
||||
#include "pc.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
//#define DEBUG_PARALLEL
|
||||
|
||||
|
1
hw/pc.c
1
hw/pc.c
@ -35,6 +35,7 @@
|
||||
#include "elf.h"
|
||||
#include "multiboot.h"
|
||||
#include "mc146818rtc.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
/* output Bochs bios info messages */
|
||||
//#define DEBUG_BIOS
|
||||
|
@ -32,6 +32,7 @@
|
||||
#include "boards.h"
|
||||
#include "ide.h"
|
||||
#include "kvm.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
#define MAX_IDE_BUS 2
|
||||
|
||||
|
@ -26,10 +26,8 @@
|
||||
#include "boards.h"
|
||||
#include "pci.h"
|
||||
#include "net.h"
|
||||
#include "sysemu.h"
|
||||
#include "pc.h"
|
||||
#include "monitor.h"
|
||||
#include "block_int.h"
|
||||
#include "scsi.h"
|
||||
#include "virtio-blk.h"
|
||||
#include "qemu-config.h"
|
||||
|
@ -1,7 +1,7 @@
|
||||
/* PCMCIA/Cardbus */
|
||||
|
||||
#include "qemu-common.h"
|
||||
#include "sysemu.h"
|
||||
#include "blockdev.h"
|
||||
|
||||
typedef struct {
|
||||
qemu_irq irq;
|
||||
|
@ -1,4 +1,3 @@
|
||||
#include "sysemu.h"
|
||||
#include "net.h"
|
||||
#include "qdev.h"
|
||||
#include "qerror.h"
|
||||
|
@ -2,7 +2,7 @@
|
||||
#define QDEV_H
|
||||
|
||||
#include "hw.h"
|
||||
#include "sysemu.h"
|
||||
#include "blockdev.h"
|
||||
#include "qemu-queue.h"
|
||||
#include "qemu-char.h"
|
||||
#include "qemu-option.h"
|
||||
|
@ -2,7 +2,6 @@
|
||||
#include "qemu-error.h"
|
||||
#include "scsi.h"
|
||||
#include "scsi-defs.h"
|
||||
#include "block.h"
|
||||
#include "qdev.h"
|
||||
|
||||
static struct BusInfo scsi_bus_info = {
|
||||
|
@ -33,9 +33,9 @@ do { fprintf(stderr, "scsi-disk: " fmt , ## __VA_ARGS__); } while (0)
|
||||
|
||||
#include "qemu-common.h"
|
||||
#include "qemu-error.h"
|
||||
#include "block.h"
|
||||
#include "scsi.h"
|
||||
#include "scsi-defs.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
#define SCSI_DMA_BUF_SIZE 131072
|
||||
#define SCSI_MAX_INQUIRY_LEN 256
|
||||
|
@ -13,7 +13,6 @@
|
||||
|
||||
#include "qemu-common.h"
|
||||
#include "qemu-error.h"
|
||||
#include "block.h"
|
||||
#include "scsi.h"
|
||||
|
||||
#ifdef __linux__
|
||||
|
@ -27,6 +27,7 @@
|
||||
#include "isa.h"
|
||||
#include "pc.h"
|
||||
#include "qemu-timer.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
//#define DEBUG_SERIAL
|
||||
|
||||
|
@ -25,6 +25,7 @@
|
||||
#include "hw.h"
|
||||
#include "console.h"
|
||||
#include "usb.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
/* HID interface requests */
|
||||
#define GET_REPORT 0xa101
|
||||
|
@ -11,10 +11,10 @@
|
||||
#include "qemu-option.h"
|
||||
#include "qemu-config.h"
|
||||
#include "usb.h"
|
||||
#include "block.h"
|
||||
#include "scsi.h"
|
||||
#include "console.h"
|
||||
#include "monitor.h"
|
||||
#include "sysemu.h"
|
||||
|
||||
//#define DEBUG_MSD
|
||||
|
||||
|
@ -12,9 +12,7 @@
|
||||
*/
|
||||
|
||||
#include <qemu-common.h>
|
||||
#include <sysemu.h>
|
||||
#include "virtio-blk.h"
|
||||
#include "block_int.h"
|
||||
#ifdef __linux__
|
||||
# include <scsi/sg.h>
|
||||
#endif
|
||||
|
@ -22,7 +22,6 @@
|
||||
#include "qemu-error.h"
|
||||
#include "msix.h"
|
||||
#include "net.h"
|
||||
#include "block_int.h"
|
||||
#include "loader.h"
|
||||
#include "kvm.h"
|
||||
|
||||
|
104
monitor.c
104
monitor.c
@ -38,7 +38,7 @@
|
||||
#include "monitor.h"
|
||||
#include "readline.h"
|
||||
#include "console.h"
|
||||
#include "block.h"
|
||||
#include "blockdev.h"
|
||||
#include "audio/audio.h"
|
||||
#include "disas.h"
|
||||
#include "balloon.h"
|
||||
@ -530,21 +530,6 @@ static void do_help_cmd(Monitor *mon, const QDict *qdict)
|
||||
help_cmd(mon, qdict_get_try_str(qdict, "name"));
|
||||
}
|
||||
|
||||
static void do_commit(Monitor *mon, const QDict *qdict)
|
||||
{
|
||||
int all_devices;
|
||||
DriveInfo *dinfo;
|
||||
const char *device = qdict_get_str(qdict, "device");
|
||||
|
||||
all_devices = !strcmp(device, "all");
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (!all_devices)
|
||||
if (strcmp(bdrv_get_device_name(dinfo->bdrv), device))
|
||||
continue;
|
||||
bdrv_commit(dinfo->bdrv);
|
||||
}
|
||||
}
|
||||
|
||||
static void user_monitor_complete(void *opaque, QObject *ret_data)
|
||||
{
|
||||
MonitorCompletionData *data = (MonitorCompletionData *)opaque;
|
||||
@ -949,93 +934,6 @@ static int do_quit(Monitor *mon, const QDict *qdict, QObject **ret_data)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int eject_device(Monitor *mon, BlockDriverState *bs, int force)
|
||||
{
|
||||
if (bdrv_is_inserted(bs)) {
|
||||
if (!force) {
|
||||
if (!bdrv_is_removable(bs)) {
|
||||
qerror_report(QERR_DEVICE_NOT_REMOVABLE,
|
||||
bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
}
|
||||
if (bdrv_is_locked(bs)) {
|
||||
qerror_report(QERR_DEVICE_LOCKED, bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
bdrv_close(bs);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_eject(Monitor *mon, const QDict *qdict, QObject **ret_data)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
int force = qdict_get_int(qdict, "force");
|
||||
const char *filename = qdict_get_str(qdict, "device");
|
||||
|
||||
bs = bdrv_find(filename);
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, filename);
|
||||
return -1;
|
||||
}
|
||||
return eject_device(mon, bs, force);
|
||||
}
|
||||
|
||||
static int do_block_set_passwd(Monitor *mon, const QDict *qdict,
|
||||
QObject **ret_data)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
int err;
|
||||
|
||||
bs = bdrv_find(qdict_get_str(qdict, "device"));
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, qdict_get_str(qdict, "device"));
|
||||
return -1;
|
||||
}
|
||||
|
||||
err = bdrv_set_key(bs, qdict_get_str(qdict, "password"));
|
||||
if (err == -EINVAL) {
|
||||
qerror_report(QERR_DEVICE_NOT_ENCRYPTED, bdrv_get_device_name(bs));
|
||||
return -1;
|
||||
} else if (err < 0) {
|
||||
qerror_report(QERR_INVALID_PASSWORD);
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int do_change_block(Monitor *mon, const char *device,
|
||||
const char *filename, const char *fmt)
|
||||
{
|
||||
BlockDriverState *bs;
|
||||
BlockDriver *drv = NULL;
|
||||
int bdrv_flags;
|
||||
|
||||
bs = bdrv_find(device);
|
||||
if (!bs) {
|
||||
qerror_report(QERR_DEVICE_NOT_FOUND, device);
|
||||
return -1;
|
||||
}
|
||||
if (fmt) {
|
||||
drv = bdrv_find_whitelisted_format(fmt);
|
||||
if (!drv) {
|
||||
qerror_report(QERR_INVALID_BLOCK_FORMAT, fmt);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
if (eject_device(mon, bs, 0) < 0) {
|
||||
return -1;
|
||||
}
|
||||
bdrv_flags = bdrv_get_type_hint(bs) == BDRV_TYPE_CDROM ? 0 : BDRV_O_RDWR;
|
||||
if (bdrv_open(bs, filename, bdrv_flags, drv) < 0) {
|
||||
qerror_report(QERR_OPEN_FILE_FAILED, filename);
|
||||
return -1;
|
||||
}
|
||||
return monitor_read_bdrv_key_start(mon, bs, NULL, NULL);
|
||||
}
|
||||
|
||||
static int change_vnc_password(const char *password)
|
||||
{
|
||||
if (vnc_display_password(NULL, password) < 0) {
|
||||
|
@ -28,7 +28,6 @@
|
||||
#include "sysemu.h"
|
||||
#include "qemu-timer.h"
|
||||
#include "qemu-char.h"
|
||||
#include "block.h"
|
||||
#include "hw/usb.h"
|
||||
#include "hw/baum.h"
|
||||
#include "hw/msmouse.h"
|
||||
|
2
savevm.c
2
savevm.c
@ -77,7 +77,7 @@
|
||||
#include "sysemu.h"
|
||||
#include "qemu-timer.h"
|
||||
#include "qemu-char.h"
|
||||
#include "block.h"
|
||||
#include "blockdev.h"
|
||||
#include "audio/audio.h"
|
||||
#include "migration.h"
|
||||
#include "qemu_socket.h"
|
||||
|
49
sysemu.h
49
sysemu.h
@ -147,55 +147,6 @@ extern int nb_option_roms;
|
||||
extern const char *prom_envs[MAX_PROM_ENVS];
|
||||
extern unsigned int nb_prom_envs;
|
||||
|
||||
typedef enum {
|
||||
IF_NONE,
|
||||
IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
|
||||
IF_COUNT
|
||||
} BlockInterfaceType;
|
||||
|
||||
typedef enum {
|
||||
BLOCK_ERR_REPORT, BLOCK_ERR_IGNORE, BLOCK_ERR_STOP_ENOSPC,
|
||||
BLOCK_ERR_STOP_ANY
|
||||
} BlockInterfaceErrorAction;
|
||||
|
||||
#define BLOCK_SERIAL_STRLEN 20
|
||||
|
||||
typedef struct DriveInfo {
|
||||
BlockDriverState *bdrv;
|
||||
char *id;
|
||||
const char *devaddr;
|
||||
BlockInterfaceType type;
|
||||
int bus;
|
||||
int unit;
|
||||
QemuOpts *opts;
|
||||
BlockInterfaceErrorAction on_read_error;
|
||||
BlockInterfaceErrorAction on_write_error;
|
||||
char serial[BLOCK_SERIAL_STRLEN + 1];
|
||||
QTAILQ_ENTRY(DriveInfo) next;
|
||||
} DriveInfo;
|
||||
|
||||
#define MAX_IDE_DEVS 2
|
||||
#define MAX_SCSI_DEVS 7
|
||||
|
||||
extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
|
||||
|
||||
extern DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
|
||||
extern DriveInfo *drive_get_by_id(const char *id);
|
||||
extern int drive_get_max_bus(BlockInterfaceType type);
|
||||
extern void drive_uninit(DriveInfo *dinfo);
|
||||
extern const char *drive_get_serial(BlockDriverState *bdrv);
|
||||
|
||||
extern BlockInterfaceErrorAction drive_get_on_error(
|
||||
BlockDriverState *bdrv, int is_read);
|
||||
|
||||
extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
|
||||
extern DriveInfo *drive_init(QemuOpts *arg, int default_to_scsi,
|
||||
int *fatal_error);
|
||||
|
||||
/* device-hotplug */
|
||||
|
||||
DriveInfo *add_init_drive(const char *opts);
|
||||
|
||||
/* pci-hotplug */
|
||||
void pci_device_hot_add(Monitor *mon, const QDict *qdict);
|
||||
void drive_hot_add(Monitor *mon, const QDict *qdict);
|
||||
|
483
vl.c
483
vl.c
@ -140,7 +140,7 @@ int main(int argc, char **argv)
|
||||
#include "qemu-char.h"
|
||||
#include "cache-utils.h"
|
||||
#include "block.h"
|
||||
#include "block_int.h"
|
||||
#include "blockdev.h"
|
||||
#include "block-migration.h"
|
||||
#include "dma.h"
|
||||
#include "audio/audio.h"
|
||||
@ -172,7 +172,6 @@ int main(int argc, char **argv)
|
||||
|
||||
static const char *data_dir;
|
||||
const char *bios_name = NULL;
|
||||
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
|
||||
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
|
||||
DisplayType display_type = DT_DEFAULT;
|
||||
const char* keyboard_layout = NULL;
|
||||
@ -651,486 +650,6 @@ static int bt_parse(const char *opt)
|
||||
#define MTD_ALIAS "if=mtd"
|
||||
#define SD_ALIAS "index=0,if=sd"
|
||||
|
||||
QemuOpts *drive_add(const char *file, const char *fmt, ...)
|
||||
{
|
||||
va_list ap;
|
||||
char optstr[1024];
|
||||
QemuOpts *opts;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vsnprintf(optstr, sizeof(optstr), fmt, ap);
|
||||
va_end(ap);
|
||||
|
||||
opts = qemu_opts_parse(&qemu_drive_opts, optstr, 0);
|
||||
if (!opts) {
|
||||
return NULL;
|
||||
}
|
||||
if (file)
|
||||
qemu_opt_set(opts, "file", file);
|
||||
return opts;
|
||||
}
|
||||
|
||||
DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
/* seek interface, bus and unit */
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->type == type &&
|
||||
dinfo->bus == bus &&
|
||||
dinfo->unit == unit)
|
||||
return dinfo;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
DriveInfo *drive_get_by_id(const char *id)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (strcmp(id, dinfo->id))
|
||||
continue;
|
||||
return dinfo;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
int drive_get_max_bus(BlockInterfaceType type)
|
||||
{
|
||||
int max_bus;
|
||||
DriveInfo *dinfo;
|
||||
|
||||
max_bus = -1;
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if(dinfo->type == type &&
|
||||
dinfo->bus > max_bus)
|
||||
max_bus = dinfo->bus;
|
||||
}
|
||||
return max_bus;
|
||||
}
|
||||
|
||||
const char *drive_get_serial(BlockDriverState *bdrv)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->bdrv == bdrv)
|
||||
return dinfo->serial;
|
||||
}
|
||||
|
||||
return "\0";
|
||||
}
|
||||
|
||||
BlockInterfaceErrorAction drive_get_on_error(
|
||||
BlockDriverState *bdrv, int is_read)
|
||||
{
|
||||
DriveInfo *dinfo;
|
||||
|
||||
QTAILQ_FOREACH(dinfo, &drives, next) {
|
||||
if (dinfo->bdrv == bdrv)
|
||||
return is_read ? dinfo->on_read_error : dinfo->on_write_error;
|
||||
}
|
||||
|
||||
return is_read ? BLOCK_ERR_REPORT : BLOCK_ERR_STOP_ENOSPC;
|
||||
}
|
||||
|
||||
static void bdrv_format_print(void *opaque, const char *name)
|
||||
{
|
||||
fprintf(stderr, " %s", name);
|
||||
}
|
||||
|
||||
void drive_uninit(DriveInfo *dinfo)
|
||||
{
|
||||
qemu_opts_del(dinfo->opts);
|
||||
bdrv_delete(dinfo->bdrv);
|
||||
QTAILQ_REMOVE(&drives, dinfo, next);
|
||||
qemu_free(dinfo);
|
||||
}
|
||||
|
||||
static int parse_block_error_action(const char *buf, int is_read)
|
||||
{
|
||||
if (!strcmp(buf, "ignore")) {
|
||||
return BLOCK_ERR_IGNORE;
|
||||
} else if (!is_read && !strcmp(buf, "enospc")) {
|
||||
return BLOCK_ERR_STOP_ENOSPC;
|
||||
} else if (!strcmp(buf, "stop")) {
|
||||
return BLOCK_ERR_STOP_ANY;
|
||||
} else if (!strcmp(buf, "report")) {
|
||||
return BLOCK_ERR_REPORT;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: '%s' invalid %s error action\n",
|
||||
buf, is_read ? "read" : "write");
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
DriveInfo *drive_init(QemuOpts *opts, int default_to_scsi, int *fatal_error)
|
||||
{
|
||||
const char *buf;
|
||||
const char *file = NULL;
|
||||
char devname[128];
|
||||
const char *serial;
|
||||
const char *mediastr = "";
|
||||
BlockInterfaceType type;
|
||||
enum { MEDIA_DISK, MEDIA_CDROM } media;
|
||||
int bus_id, unit_id;
|
||||
int cyls, heads, secs, translation;
|
||||
BlockDriver *drv = NULL;
|
||||
int max_devs;
|
||||
int index;
|
||||
int ro = 0;
|
||||
int bdrv_flags = 0;
|
||||
int on_read_error, on_write_error;
|
||||
const char *devaddr;
|
||||
DriveInfo *dinfo;
|
||||
int snapshot = 0;
|
||||
int ret;
|
||||
|
||||
*fatal_error = 1;
|
||||
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
|
||||
if (default_to_scsi) {
|
||||
type = IF_SCSI;
|
||||
max_devs = MAX_SCSI_DEVS;
|
||||
pstrcpy(devname, sizeof(devname), "scsi");
|
||||
} else {
|
||||
type = IF_IDE;
|
||||
max_devs = MAX_IDE_DEVS;
|
||||
pstrcpy(devname, sizeof(devname), "ide");
|
||||
}
|
||||
media = MEDIA_DISK;
|
||||
|
||||
/* extract parameters */
|
||||
bus_id = qemu_opt_get_number(opts, "bus", 0);
|
||||
unit_id = qemu_opt_get_number(opts, "unit", -1);
|
||||
index = qemu_opt_get_number(opts, "index", -1);
|
||||
|
||||
cyls = qemu_opt_get_number(opts, "cyls", 0);
|
||||
heads = qemu_opt_get_number(opts, "heads", 0);
|
||||
secs = qemu_opt_get_number(opts, "secs", 0);
|
||||
|
||||
snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
|
||||
ro = qemu_opt_get_bool(opts, "readonly", 0);
|
||||
|
||||
file = qemu_opt_get(opts, "file");
|
||||
serial = qemu_opt_get(opts, "serial");
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "if")) != NULL) {
|
||||
pstrcpy(devname, sizeof(devname), buf);
|
||||
if (!strcmp(buf, "ide")) {
|
||||
type = IF_IDE;
|
||||
max_devs = MAX_IDE_DEVS;
|
||||
} else if (!strcmp(buf, "scsi")) {
|
||||
type = IF_SCSI;
|
||||
max_devs = MAX_SCSI_DEVS;
|
||||
} else if (!strcmp(buf, "floppy")) {
|
||||
type = IF_FLOPPY;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "pflash")) {
|
||||
type = IF_PFLASH;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "mtd")) {
|
||||
type = IF_MTD;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "sd")) {
|
||||
type = IF_SD;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "virtio")) {
|
||||
type = IF_VIRTIO;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "xen")) {
|
||||
type = IF_XEN;
|
||||
max_devs = 0;
|
||||
} else if (!strcmp(buf, "none")) {
|
||||
type = IF_NONE;
|
||||
max_devs = 0;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: unsupported bus type '%s'\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if (cyls || heads || secs) {
|
||||
if (cyls < 1 || (type == IF_IDE && cyls > 16383)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical cyls number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
if (heads < 1 || (type == IF_IDE && heads > 16)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical heads number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
if (secs < 1 || (type == IF_IDE && secs > 63)) {
|
||||
fprintf(stderr, "qemu: '%s' invalid physical secs number\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "trans")) != NULL) {
|
||||
if (!cyls) {
|
||||
fprintf(stderr,
|
||||
"qemu: '%s' trans must be used with cyls,heads and secs\n",
|
||||
buf);
|
||||
return NULL;
|
||||
}
|
||||
if (!strcmp(buf, "none"))
|
||||
translation = BIOS_ATA_TRANSLATION_NONE;
|
||||
else if (!strcmp(buf, "lba"))
|
||||
translation = BIOS_ATA_TRANSLATION_LBA;
|
||||
else if (!strcmp(buf, "auto"))
|
||||
translation = BIOS_ATA_TRANSLATION_AUTO;
|
||||
else {
|
||||
fprintf(stderr, "qemu: '%s' invalid translation type\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "media")) != NULL) {
|
||||
if (!strcmp(buf, "disk")) {
|
||||
media = MEDIA_DISK;
|
||||
} else if (!strcmp(buf, "cdrom")) {
|
||||
if (cyls || secs || heads) {
|
||||
fprintf(stderr,
|
||||
"qemu: '%s' invalid physical CHS format\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
media = MEDIA_CDROM;
|
||||
} else {
|
||||
fprintf(stderr, "qemu: '%s' invalid media\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "cache")) != NULL) {
|
||||
if (!strcmp(buf, "off") || !strcmp(buf, "none")) {
|
||||
bdrv_flags |= BDRV_O_NOCACHE;
|
||||
} else if (!strcmp(buf, "writeback")) {
|
||||
bdrv_flags |= BDRV_O_CACHE_WB;
|
||||
} else if (!strcmp(buf, "unsafe")) {
|
||||
bdrv_flags |= BDRV_O_CACHE_WB;
|
||||
bdrv_flags |= BDRV_O_NO_FLUSH;
|
||||
} else if (!strcmp(buf, "writethrough")) {
|
||||
/* this is the default */
|
||||
} else {
|
||||
fprintf(stderr, "qemu: invalid cache option\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef CONFIG_LINUX_AIO
|
||||
if ((buf = qemu_opt_get(opts, "aio")) != NULL) {
|
||||
if (!strcmp(buf, "native")) {
|
||||
bdrv_flags |= BDRV_O_NATIVE_AIO;
|
||||
} else if (!strcmp(buf, "threads")) {
|
||||
/* this is the default */
|
||||
} else {
|
||||
fprintf(stderr, "qemu: invalid aio option\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
|
||||
if (strcmp(buf, "?") == 0) {
|
||||
fprintf(stderr, "qemu: Supported formats:");
|
||||
bdrv_iterate_format(bdrv_format_print, NULL);
|
||||
fprintf(stderr, "\n");
|
||||
return NULL;
|
||||
}
|
||||
drv = bdrv_find_whitelisted_format(buf);
|
||||
if (!drv) {
|
||||
fprintf(stderr, "qemu: '%s' invalid format\n", buf);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
on_write_error = BLOCK_ERR_STOP_ENOSPC;
|
||||
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
|
||||
if (type != IF_IDE && type != IF_SCSI && type != IF_VIRTIO && type != IF_NONE) {
|
||||
fprintf(stderr, "werror is no supported by this format\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
on_write_error = parse_block_error_action(buf, 0);
|
||||
if (on_write_error < 0) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
on_read_error = BLOCK_ERR_REPORT;
|
||||
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
|
||||
if (type != IF_IDE && type != IF_VIRTIO && type != IF_NONE) {
|
||||
fprintf(stderr, "rerror is no supported by this format\n");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
on_read_error = parse_block_error_action(buf, 1);
|
||||
if (on_read_error < 0) {
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
if ((devaddr = qemu_opt_get(opts, "addr")) != NULL) {
|
||||
if (type != IF_VIRTIO) {
|
||||
fprintf(stderr, "addr is not supported\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
/* compute bus and unit according index */
|
||||
|
||||
if (index != -1) {
|
||||
if (bus_id != 0 || unit_id != -1) {
|
||||
fprintf(stderr,
|
||||
"qemu: index cannot be used with bus and unit\n");
|
||||
return NULL;
|
||||
}
|
||||
if (max_devs == 0)
|
||||
{
|
||||
unit_id = index;
|
||||
bus_id = 0;
|
||||
} else {
|
||||
unit_id = index % max_devs;
|
||||
bus_id = index / max_devs;
|
||||
}
|
||||
}
|
||||
|
||||
/* if user doesn't specify a unit_id,
|
||||
* try to find the first free
|
||||
*/
|
||||
|
||||
if (unit_id == -1) {
|
||||
unit_id = 0;
|
||||
while (drive_get(type, bus_id, unit_id) != NULL) {
|
||||
unit_id++;
|
||||
if (max_devs && unit_id >= max_devs) {
|
||||
unit_id -= max_devs;
|
||||
bus_id++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* check unit id */
|
||||
|
||||
if (max_devs && unit_id >= max_devs) {
|
||||
fprintf(stderr, "qemu: unit %d too big (max is %d)\n",
|
||||
unit_id, max_devs - 1);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* ignore multiple definitions
|
||||
*/
|
||||
|
||||
if (drive_get(type, bus_id, unit_id) != NULL) {
|
||||
*fatal_error = 0;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* init */
|
||||
|
||||
dinfo = qemu_mallocz(sizeof(*dinfo));
|
||||
if ((buf = qemu_opts_id(opts)) != NULL) {
|
||||
dinfo->id = qemu_strdup(buf);
|
||||
} else {
|
||||
/* no id supplied -> create one */
|
||||
dinfo->id = qemu_mallocz(32);
|
||||
if (type == IF_IDE || type == IF_SCSI)
|
||||
mediastr = (media == MEDIA_CDROM) ? "-cd" : "-hd";
|
||||
if (max_devs)
|
||||
snprintf(dinfo->id, 32, "%s%i%s%i",
|
||||
devname, bus_id, mediastr, unit_id);
|
||||
else
|
||||
snprintf(dinfo->id, 32, "%s%s%i",
|
||||
devname, mediastr, unit_id);
|
||||
}
|
||||
dinfo->bdrv = bdrv_new(dinfo->id);
|
||||
dinfo->devaddr = devaddr;
|
||||
dinfo->type = type;
|
||||
dinfo->bus = bus_id;
|
||||
dinfo->unit = unit_id;
|
||||
dinfo->on_read_error = on_read_error;
|
||||
dinfo->on_write_error = on_write_error;
|
||||
dinfo->opts = opts;
|
||||
if (serial)
|
||||
strncpy(dinfo->serial, serial, sizeof(serial));
|
||||
QTAILQ_INSERT_TAIL(&drives, dinfo, next);
|
||||
|
||||
switch(type) {
|
||||
case IF_IDE:
|
||||
case IF_SCSI:
|
||||
case IF_XEN:
|
||||
case IF_NONE:
|
||||
switch(media) {
|
||||
case MEDIA_DISK:
|
||||
if (cyls != 0) {
|
||||
bdrv_set_geometry_hint(dinfo->bdrv, cyls, heads, secs);
|
||||
bdrv_set_translation_hint(dinfo->bdrv, translation);
|
||||
}
|
||||
break;
|
||||
case MEDIA_CDROM:
|
||||
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_CDROM);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case IF_SD:
|
||||
/* FIXME: This isn't really a floppy, but it's a reasonable
|
||||
approximation. */
|
||||
case IF_FLOPPY:
|
||||
bdrv_set_type_hint(dinfo->bdrv, BDRV_TYPE_FLOPPY);
|
||||
break;
|
||||
case IF_PFLASH:
|
||||
case IF_MTD:
|
||||
break;
|
||||
case IF_VIRTIO:
|
||||
/* add virtio block device */
|
||||
opts = qemu_opts_create(&qemu_device_opts, NULL, 0);
|
||||
qemu_opt_set(opts, "driver", "virtio-blk-pci");
|
||||
qemu_opt_set(opts, "drive", dinfo->id);
|
||||
if (devaddr)
|
||||
qemu_opt_set(opts, "addr", devaddr);
|
||||
break;
|
||||
case IF_COUNT:
|
||||
abort();
|
||||
}
|
||||
if (!file) {
|
||||
*fatal_error = 0;
|
||||
return NULL;
|
||||
}
|
||||
if (snapshot) {
|
||||
/* always use cache=unsafe with snapshot */
|
||||
bdrv_flags &= ~BDRV_O_CACHE_MASK;
|
||||
bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
|
||||
}
|
||||
|
||||
if (media == MEDIA_CDROM) {
|
||||
/* CDROM is fine for any interface, don't check. */
|
||||
ro = 1;
|
||||
} else if (ro == 1) {
|
||||
if (type != IF_SCSI && type != IF_VIRTIO && type != IF_FLOPPY && type != IF_NONE) {
|
||||
fprintf(stderr, "qemu: readonly flag not supported for drive with this interface\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
bdrv_flags |= ro ? 0 : BDRV_O_RDWR;
|
||||
|
||||
ret = bdrv_open(dinfo->bdrv, file, bdrv_flags, drv);
|
||||
if (ret < 0) {
|
||||
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
|
||||
file, strerror(-ret));
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (bdrv_key_required(dinfo->bdrv))
|
||||
autostart = 0;
|
||||
*fatal_error = 0;
|
||||
return dinfo;
|
||||
}
|
||||
|
||||
static int drive_init_func(QemuOpts *opts, void *opaque)
|
||||
{
|
||||
int *use_scsi = opaque;
|
||||
|
Loading…
Reference in New Issue
Block a user