OpenE2K/qemu-e2k
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Merge remote branch 'kwolf/for-anthony' into staging

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Conflicts:
	hw/pc.c
This commit is contained in:
Anthony Liguori 2010-06-14 10:33:36 -05:00
commit a4673e2762
48 changed files with 916 additions and 785 deletions
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2
Makefile.objs
View File

@ -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))

91
block.c
View File

@ -331,8 +331,8 @@ static BlockDriver *find_image_format(const char *filename)
if (ret < 0)
return NULL;
/* Return the raw BlockDriver * to scsi-generic devices */
if (bs->sg) {
/* Return the raw BlockDriver * to scsi-generic devices or empty drives */
if (bs->sg || !bdrv_is_inserted(bs)) {
bdrv_delete(bs);
return bdrv_find_format("raw");
}
@ -522,7 +522,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
bdrv_delete(bs1);
return ret;
}
total_size = bdrv_getlength(bs1) >> BDRV_SECTOR_BITS;
total_size = bdrv_getlength(bs1) & BDRV_SECTOR_MASK;
if (bs1->drv && bs1->drv->protocol_name)
is_protocol = 1;
@ -541,7 +541,7 @@ int bdrv_open(BlockDriverState *bs, const char *filename, int flags,
bdrv_qcow2 = bdrv_find_format("qcow2");
options = parse_option_parameters("", bdrv_qcow2->create_options, NULL);
set_option_parameter_int(options, BLOCK_OPT_SIZE, total_size * 512);
set_option_parameter_int(options, BLOCK_OPT_SIZE, total_size);
set_option_parameter(options, BLOCK_OPT_BACKING_FILE, backing_filename);
if (drv) {
set_option_parameter(options, BLOCK_OPT_BACKING_FMT,
@ -648,6 +648,15 @@ void bdrv_close(BlockDriverState *bs)
}
}
void bdrv_close_all(void)
{
BlockDriverState *bs;
QTAILQ_FOREACH(bs, &bdrv_states, list) {
bdrv_close(bs);
}
}
void bdrv_delete(BlockDriverState *bs)
{
/* remove from list, if necessary */
@ -684,7 +693,7 @@ int bdrv_commit(BlockDriverState *bs)
int64_t i, total_sectors;
int n, j, ro, open_flags;
int ret = 0, rw_ret = 0;
unsigned char sector[512];
unsigned char sector[BDRV_SECTOR_SIZE];
char filename[1024];
BlockDriverState *bs_rw, *bs_ro;
@ -824,7 +833,8 @@ static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset,
static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
int nb_sectors)
{
return bdrv_check_byte_request(bs, sector_num * 512, nb_sectors * 512);
return bdrv_check_byte_request(bs, sector_num * BDRV_SECTOR_SIZE,
nb_sectors * BDRV_SECTOR_SIZE);
}
/* return < 0 if error. See bdrv_write() for the return codes */
@ -1059,7 +1069,7 @@ struct partition {
static int guess_disk_lchs(BlockDriverState *bs,
int *pcylinders, int *pheads, int *psectors)
{
uint8_t buf[512];
uint8_t buf[BDRV_SECTOR_SIZE];
int ret, i, heads, sectors, cylinders;
struct partition *p;
uint32_t nr_sects;
@ -1535,7 +1545,7 @@ static QObject* bdrv_info_stats_bs(BlockDriverState *bs)
"} }",
bs->rd_bytes, bs->wr_bytes,
bs->rd_ops, bs->wr_ops,
bs->wr_highest_sector * 512);
bs->wr_highest_sector * (long)BDRV_SECTOR_SIZE);
dict = qobject_to_qdict(res);
if (*bs->device_name) {
@ -1621,9 +1631,11 @@ int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
BlockDriver *drv = bs->drv;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_save_vmstate)
return -ENOTSUP;
return drv->bdrv_save_vmstate(bs, buf, pos, size);
if (drv->bdrv_save_vmstate)
return drv->bdrv_save_vmstate(bs, buf, pos, size);
if (bs->file)
return bdrv_save_vmstate(bs->file, buf, pos, size);
return -ENOTSUP;
}
int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
@ -1632,9 +1644,11 @@ int bdrv_load_vmstate(BlockDriverState *bs, uint8_t *buf,
BlockDriver *drv = bs->drv;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_load_vmstate)
return -ENOTSUP;
return drv->bdrv_load_vmstate(bs, buf, pos, size);
if (drv->bdrv_load_vmstate)
return drv->bdrv_load_vmstate(bs, buf, pos, size);
if (bs->file)
return bdrv_load_vmstate(bs->file, buf, pos, size);
return -ENOTSUP;
}
void bdrv_debug_event(BlockDriverState *bs, BlkDebugEvent event)
@ -1658,20 +1672,37 @@ int bdrv_snapshot_create(BlockDriverState *bs,
BlockDriver *drv = bs->drv;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_snapshot_create)
return -ENOTSUP;
return drv->bdrv_snapshot_create(bs, sn_info);
if (drv->bdrv_snapshot_create)
return drv->bdrv_snapshot_create(bs, sn_info);
if (bs->file)
return bdrv_snapshot_create(bs->file, sn_info);
return -ENOTSUP;
}
int bdrv_snapshot_goto(BlockDriverState *bs,
const char *snapshot_id)
{
BlockDriver *drv = bs->drv;
int ret, open_ret;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_snapshot_goto)
return -ENOTSUP;
return drv->bdrv_snapshot_goto(bs, snapshot_id);
if (drv->bdrv_snapshot_goto)
return drv->bdrv_snapshot_goto(bs, snapshot_id);
if (bs->file) {
drv->bdrv_close(bs);
ret = bdrv_snapshot_goto(bs->file, snapshot_id);
open_ret = drv->bdrv_open(bs, bs->open_flags);
if (open_ret < 0) {
bdrv_delete(bs->file);
bs->drv = NULL;
return open_ret;
}
return ret;
}
return -ENOTSUP;
}
int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id)
@ -1679,9 +1710,11 @@ int bdrv_snapshot_delete(BlockDriverState *bs, const char *snapshot_id)
BlockDriver *drv = bs->drv;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_snapshot_delete)
return -ENOTSUP;
return drv->bdrv_snapshot_delete(bs, snapshot_id);
if (drv->bdrv_snapshot_delete)
return drv->bdrv_snapshot_delete(bs, snapshot_id);
if (bs->file)
return bdrv_snapshot_delete(bs->file, snapshot_id);
return -ENOTSUP;
}
int bdrv_snapshot_list(BlockDriverState *bs,
@ -1690,9 +1723,11 @@ int bdrv_snapshot_list(BlockDriverState *bs,
BlockDriver *drv = bs->drv;
if (!drv)
return -ENOMEDIUM;
if (!drv->bdrv_snapshot_list)
return -ENOTSUP;
return drv->bdrv_snapshot_list(bs, psn_info);
if (drv->bdrv_snapshot_list)
return drv->bdrv_snapshot_list(bs, psn_info);
if (bs->file)
return bdrv_snapshot_list(bs->file, psn_info);
return -ENOTSUP;
}
#define NB_SUFFIXES 4
@ -2197,7 +2232,7 @@ static int bdrv_read_em(BlockDriverState *bs, int64_t sector_num,
async_ret = NOT_DONE;
iov.iov_base = (void *)buf;
iov.iov_len = nb_sectors * 512;
iov.iov_len = nb_sectors * BDRV_SECTOR_SIZE;
qemu_iovec_init_external(&qiov, &iov, 1);
acb = bdrv_aio_readv(bs, sector_num, &qiov, nb_sectors,
bdrv_rw_em_cb, &async_ret);
@ -2228,7 +2263,7 @@ static int bdrv_write_em(BlockDriverState *bs, int64_t sector_num,
async_ret = NOT_DONE;
iov.iov_base = (void *)buf;
iov.iov_len = nb_sectors * 512;
iov.iov_len = nb_sectors * BDRV_SECTOR_SIZE;
qemu_iovec_init_external(&qiov, &iov, 1);
acb = bdrv_aio_writev(bs, sector_num, &qiov, nb_sectors,
bdrv_rw_em_cb, &async_ret);

1
block.h
View File

@ -123,6 +123,7 @@ BlockDriverAIOCB *bdrv_aio_ioctl(BlockDriverState *bs,
/* Ensure contents are flushed to disk. */
void bdrv_flush(BlockDriverState *bs);
void bdrv_flush_all(void);
void bdrv_close_all(void);
int bdrv_has_zero_init(BlockDriverState *bs);
int bdrv_is_allocated(BlockDriverState *bs, int64_t sector_num, int nb_sectors,

20
block/raw-posix.c
View File

@ -392,8 +392,9 @@ static int raw_read(BlockDriverState *bs, int64_t sector_num,
{
int ret;
ret = raw_pread(bs, sector_num * 512, buf, nb_sectors * 512);
if (ret == (nb_sectors * 512))
ret = raw_pread(bs, sector_num * BDRV_SECTOR_SIZE, buf,
nb_sectors * BDRV_SECTOR_SIZE);
if (ret == (nb_sectors * BDRV_SECTOR_SIZE))
ret = 0;
return ret;
}
@ -480,8 +481,9 @@ static int raw_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
int ret;
ret = raw_pwrite(bs, sector_num * 512, buf, nb_sectors * 512);
if (ret == (nb_sectors * 512))
ret = raw_pwrite(bs, sector_num * BDRV_SECTOR_SIZE, buf,
nb_sectors * BDRV_SECTOR_SIZE);
if (ret == (nb_sectors * BDRV_SECTOR_SIZE))
ret = 0;
return ret;
}
@ -494,7 +496,7 @@ static int qiov_is_aligned(QEMUIOVector *qiov)
int i;
for (i = 0; i < qiov->niov; i++) {
if ((uintptr_t) qiov->iov[i].iov_base % 512) {
if ((uintptr_t) qiov->iov[i].iov_base % BDRV_SECTOR_SIZE) {
return 0;
}
}
@ -703,7 +705,7 @@ static int raw_create(const char *filename, QEMUOptionParameter *options)
/* Read out options */
while (options && options->name) {
if (!strcmp(options->name, BLOCK_OPT_SIZE)) {
total_size = options->value.n / 512;
total_size = options->value.n / BDRV_SECTOR_SIZE;
}
options++;
}
@ -713,7 +715,7 @@ static int raw_create(const char *filename, QEMUOptionParameter *options)
if (fd < 0) {
result = -errno;
} else {
if (ftruncate(fd, total_size * 512) != 0) {
if (ftruncate(fd, total_size * BDRV_SECTOR_SIZE) != 0) {
result = -errno;
}
if (close(fd) != 0) {
@ -976,7 +978,7 @@ static int hdev_create(const char *filename, QEMUOptionParameter *options)
/* Read out options */
while (options && options->name) {
if (!strcmp(options->name, "size")) {
total_size = options->value.n / 512;
total_size = options->value.n / BDRV_SECTOR_SIZE;
}
options++;
}
@ -989,7 +991,7 @@ static int hdev_create(const char *filename, QEMUOptionParameter *options)
ret = -errno;
else if (!S_ISBLK(stat_buf.st_mode) && !S_ISCHR(stat_buf.st_mode))
ret = -ENODEV;
else if (lseek(fd, 0, SEEK_END) < total_size * 512)
else if (lseek(fd, 0, SEEK_END) < total_size * BDRV_SECTOR_SIZE)
ret = -ENOSPC;
close(fd);

600
blockdev.c Normal file
View 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(dinfo->serial) - 1);
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
View 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

1
hw/acpi_piix4.c
View File

@ -21,6 +21,7 @@
#include "pm_smbus.h"
#include "pci.h"
#include "acpi.h"
#include "sysemu.h"
//#define DEBUG

1
hw/apb_pci.c
View File

@ -31,6 +31,7 @@
#include "pci_host.h"
#include "rwhandler.h"
#include "apb_pci.h"
#include "sysemu.h"
/* debug APB */
//#define DEBUG_APB

4
hw/device-hotplug.c
View File

@ -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)
{
@ -38,7 +36,7 @@ DriveInfo *add_init_drive(const char *optstr)
if (!opts)
return NULL;
dinfo = drive_init(opts, current_machine, &fatal_error);
dinfo = drive_init(opts, current_machine->use_scsi, &fatal_error);
if (!dinfo) {
qemu_opts_del(opts);
return NULL;

1
hw/fdc.c
View File

@ -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
View File

@ -2,7 +2,7 @@
#define HW_FDC_H
/* fdc.c */
#include "sysemu.h"
#include "blockdev.h"
#define MAX_FD 2
typedef struct FDCtrl FDCtrl;

4
hw/ide/cmd646.c
View File

@ -260,8 +260,8 @@ static int pci_cmd646_ide_initfn(PCIDevice *dev)
irq = qemu_allocate_irqs(cmd646_set_irq, d, 2);
ide_bus_new(&d->bus[0], &d->dev.qdev);
ide_bus_new(&d->bus[1], &d->dev.qdev);
ide_init2(&d->bus[0], NULL, NULL, irq[0]);
ide_init2(&d->bus[1], NULL, NULL, irq[1]);
ide_init2(&d->bus[0], irq[0]);
ide_init2(&d->bus[1], irq[1]);
vmstate_register(0, &vmstate_ide_pci, d);
qemu_register_reset(cmd646_reset, d);

108
hw/ide/core.c
View File

@ -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"
@ -98,6 +96,7 @@ static void ide_identify(IDEState *s)
{
uint16_t *p;
unsigned int oldsize;
IDEDevice *dev;
if (s->identify_set) {
memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
@ -165,8 +164,9 @@ static void ide_identify(IDEState *s)
put_le16(p + 101, s->nb_sectors >> 16);
put_le16(p + 102, s->nb_sectors >> 32);
put_le16(p + 103, s->nb_sectors >> 48);
if (s->conf && s->conf->physical_block_size)
put_le16(p + 106, 0x6000 | get_physical_block_exp(s->conf));
dev = s->unit ? s->bus->slave : s->bus->master;
if (dev && dev->conf.physical_block_size)
put_le16(p + 106, 0x6000 | get_physical_block_exp(&dev->conf));
memcpy(s->identify_data, p, sizeof(s->identify_data));
s->identify_set = 1;
@ -2594,39 +2594,35 @@ void ide_bus_reset(IDEBus *bus)
ide_clear_hob(bus);
}
void ide_init_drive(IDEState *s, DriveInfo *dinfo, BlockConf *conf,
const char *version)
void ide_init_drive(IDEState *s, DriveInfo *dinfo,
const char *version, const char *serial)
{
int cylinders, heads, secs;
uint64_t nb_sectors;
if (dinfo && dinfo->bdrv) {
s->bs = dinfo->bdrv;
bdrv_get_geometry(s->bs, &nb_sectors);
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->cylinders = cylinders;
s->heads = heads;
s->sectors = secs;
s->nb_sectors = nb_sectors;
/* The SMART values should be preserved across power cycles
but they aren't. */
s->smart_enabled = 1;
s->smart_autosave = 1;
s->smart_errors = 0;
s->smart_selftest_count = 0;
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
s->is_cdrom = 1;
bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
}
strncpy(s->drive_serial_str, drive_get_serial(s->bs),
sizeof(s->drive_serial_str));
if (conf) {
s->conf = conf;
}
s->bs = dinfo->bdrv;
bdrv_get_geometry(s->bs, &nb_sectors);
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->cylinders = cylinders;
s->heads = heads;
s->sectors = secs;
s->nb_sectors = nb_sectors;
/* The SMART values should be preserved across power cycles
but they aren't. */
s->smart_enabled = 1;
s->smart_autosave = 1;
s->smart_errors = 0;
s->smart_selftest_count = 0;
if (bdrv_get_type_hint(s->bs) == BDRV_TYPE_CDROM) {
s->is_cdrom = 1;
bdrv_set_change_cb(s->bs, cdrom_change_cb, s);
}
if (strlen(s->drive_serial_str) == 0)
if (serial && *serial) {
strncpy(s->drive_serial_str, serial, sizeof(s->drive_serial_str));
} else {
snprintf(s->drive_serial_str, sizeof(s->drive_serial_str),
"QM%05d", s->drive_serial);
}
if (version) {
pstrcpy(s->version, sizeof(s->version), version);
} else {
@ -2635,27 +2631,47 @@ void ide_init_drive(IDEState *s, DriveInfo *dinfo, BlockConf *conf,
ide_reset(s);
}
void ide_init2(IDEBus *bus, DriveInfo *hd0, DriveInfo *hd1,
qemu_irq irq)
static void ide_init1(IDEBus *bus, int unit)
{
IDEState *s;
static int drive_serial = 1;
IDEState *s = &bus->ifs[unit];
s->bus = bus;
s->unit = unit;
s->drive_serial = drive_serial++;
s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4);
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4;
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
s->sector_write_timer = qemu_new_timer(vm_clock,
ide_sector_write_timer_cb, s);
}
void ide_init2(IDEBus *bus, qemu_irq irq)
{
int i;
for(i = 0; i < 2; i++) {
s = bus->ifs + i;
s->bus = bus;
s->unit = i;
s->drive_serial = drive_serial++;
s->io_buffer = qemu_blockalign(s->bs, IDE_DMA_BUF_SECTORS*512 + 4);
s->io_buffer_total_len = IDE_DMA_BUF_SECTORS*512 + 4;
s->smart_selftest_data = qemu_blockalign(s->bs, 512);
s->sector_write_timer = qemu_new_timer(vm_clock,
ide_sector_write_timer_cb, s);
if (i == 0)
ide_init_drive(s, hd0, NULL, NULL);
if (i == 1)
ide_init_drive(s, hd1, NULL, NULL);
ide_init1(bus, i);
ide_reset(&bus->ifs[i]);
}
bus->irq = irq;
}
/* TODO convert users to qdev and remove */
void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
DriveInfo *hd1, qemu_irq irq)
{
int i;
DriveInfo *dinfo;
for(i = 0; i < 2; i++) {
dinfo = i == 0 ? hd0 : hd1;
ide_init1(bus, i);
if (dinfo) {
ide_init_drive(&bus->ifs[i], dinfo, NULL, dinfo->serial);
} else {
ide_reset(&bus->ifs[i]);
}
}
bus->irq = irq;
}

13
hw/ide/internal.h
View File

@ -398,7 +398,6 @@ struct IDEState {
/* set for lba48 access */
uint8_t lba48;
BlockDriverState *bs;
BlockConf *conf;
char version[9];
/* ATAPI specific */
uint8_t sense_key;
@ -458,14 +457,13 @@ struct IDEDevice {
uint32_t unit;
BlockConf conf;
char *version;
char *serial;
};
typedef int (*ide_qdev_initfn)(IDEDevice *dev);
struct IDEDeviceInfo {
DeviceInfo qdev;
ide_qdev_initfn init;
uint32_t unit;
DriveInfo *drive;
};
#define BM_STATUS_DMAING 0x01
@ -557,10 +555,11 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr);
void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
uint32_t ide_data_readl(void *opaque, uint32_t addr);
void ide_init_drive(IDEState *s, DriveInfo *dinfo, BlockConf *conf,
const char *version);
void ide_init2(IDEBus *bus, DriveInfo *hd0, DriveInfo *hd1,
qemu_irq irq);
void ide_init_drive(IDEState *s, DriveInfo *dinfo,
const char *version, const char *serial);
void ide_init2(IDEBus *bus, qemu_irq irq);
void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
DriveInfo *hd1, qemu_irq irq);
void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
/* hw/ide/qdev.c */

2
hw/ide/isa.c
View File

@ -70,7 +70,7 @@ static int isa_ide_initfn(ISADevice *dev)
ide_bus_new(&s->bus, &s->dev.qdev);
ide_init_ioport(&s->bus, s->iobase, s->iobase2);
isa_init_irq(dev, &s->irq, s->isairq);
ide_init2(&s->bus, NULL, NULL, s->irq);
ide_init2(&s->bus, s->irq);
vmstate_register(0, &vmstate_ide_isa, s);
return 0;
};

2
hw/ide/macio.c
View File

@ -314,7 +314,7 @@ int pmac_ide_init (DriveInfo **hd_table, qemu_irq irq,
int pmac_ide_memory;
d = qemu_mallocz(sizeof(MACIOIDEState));
ide_init2(&d->bus, hd_table[0], hd_table[1], irq);
ide_init2_with_non_qdev_drives(&d->bus, hd_table[0], hd_table[1], irq);
if (dbdma)
DBDMA_register_channel(dbdma, channel, dma_irq, pmac_ide_transfer, pmac_ide_flush, d);

3
hw/ide/microdrive.c
View File

@ -539,7 +539,8 @@ PCMCIACardState *dscm1xxxx_init(DriveInfo *bdrv)
md->card.cis = dscm1xxxx_cis;
md->card.cis_len = sizeof(dscm1xxxx_cis);
ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
ide_init2_with_non_qdev_drives(&md->bus, bdrv, NULL,
qemu_allocate_irqs(md_set_irq, md, 1)[0]);
md->bus.ifs[0].is_cf = 1;
md->bus.ifs[0].mdata_size = METADATA_SIZE;
md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);

2
hw/ide/mmio.c
View File

@ -125,7 +125,7 @@ void mmio_ide_init (target_phys_addr_t membase, target_phys_addr_t membase2,
MMIOState *s = qemu_mallocz(sizeof(MMIOState));
int mem1, mem2;
ide_init2(&s->bus, hd0, hd1, irq);
ide_init2_with_non_qdev_drives(&s->bus, hd0, hd1, irq);
s->shift = shift;

4
hw/ide/piix.c
View File

@ -135,8 +135,8 @@ static int pci_piix_ide_initfn(PCIIDEState *d)
ide_init_ioport(&d->bus[0], 0x1f0, 0x3f6);
ide_init_ioport(&d->bus[1], 0x170, 0x376);
ide_init2(&d->bus[0], NULL, NULL, isa_reserve_irq(14));
ide_init2(&d->bus[1], NULL, NULL, isa_reserve_irq(15));
ide_init2(&d->bus[0], isa_reserve_irq(14));
ide_init2(&d->bus[1], isa_reserve_irq(15));
return 0;
}

21
hw/ide/qdev.c
View File

@ -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>
@ -99,8 +98,23 @@ typedef struct IDEDrive {
static int ide_drive_initfn(IDEDevice *dev)
{
IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
ide_init_drive(bus->ifs + dev->unit, dev->conf.dinfo, &dev->conf,
dev->version);
IDEState *s = bus->ifs + dev->unit;
const char *serial;
serial = dev->serial;
if (!serial) {
/* try to fall back to value set with legacy -drive serial=... */
serial = dev->conf.dinfo->serial;
}
ide_init_drive(s, dev->conf.dinfo, dev->version, serial);
if (!dev->version) {
dev->version = qemu_strdup(s->version);
}
if (!dev->serial) {
dev->serial = qemu_strdup(s->drive_serial_str);
}
return 0;
}
@ -112,6 +126,7 @@ static IDEDeviceInfo ide_drive_info = {
DEFINE_PROP_UINT32("unit", IDEDrive, dev.unit, -1),
DEFINE_BLOCK_PROPERTIES(IDEDrive, dev.conf),
DEFINE_PROP_STRING("ver", IDEDrive, dev.version),
DEFINE_PROP_STRING("serial", IDEDrive, dev.serial),
DEFINE_PROP_END_OF_LIST(),
}
};

1
hw/lan9118.c
View File

@ -10,6 +10,7 @@
#include "sysbus.h"
#include "net.h"
#include "devices.h"
#include "sysemu.h"
/* For crc32 */
#include <zlib.h>

3
hw/nand.c
View File

@ -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

2
hw/omap2.c
View File

@ -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"

3
hw/onenand.c
View File

@ -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

1
hw/parallel.c
View File

@ -26,6 +26,7 @@
#include "qemu-char.h"
#include "isa.h"
#include "pc.h"
#include "sysemu.h"
//#define DEBUG_PARALLEL

1
hw/pc.c
View File

@ -36,6 +36,7 @@
#include "multiboot.h"
#include "mc146818rtc.h"
#include "sysbus.h"
#include "sysemu.h"
/* output Bochs bios info messages */
//#define DEBUG_BIOS

1
hw/pc_piix.c
View File

@ -32,6 +32,7 @@
#include "boards.h"
#include "ide.h"
#include "kvm.h"
#include "sysemu.h"
#define MAX_IDE_BUS 2

2
hw/pci-hotplug.c
View File

@ -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"

2
hw/pcmcia.h
View File

@ -1,7 +1,7 @@
/* PCMCIA/Cardbus */
#include "qemu-common.h"
#include "sysemu.h"
#include "blockdev.h"
typedef struct {
qemu_irq irq;

1
hw/pl181.c
View File

@ -9,7 +9,6 @@
#include "sysbus.h"
#include "sd.h"
#include "sysemu.h"
//#define DEBUG_PL181 1

12
hw/qdev-properties.c
View File

@ -1,4 +1,3 @@
#include "sysemu.h"
#include "net.h"
#include "qdev.h"
#include "qerror.h"
@ -260,6 +259,11 @@ static int parse_string(DeviceState *dev, Property *prop, const char *str)
return 0;
}
static void free_string(DeviceState *dev, Property *prop)
{
qemu_free(*(char **)qdev_get_prop_ptr(dev, prop));
}
static int print_string(DeviceState *dev, Property *prop, char *dest, size_t len)
{
char **ptr = qdev_get_prop_ptr(dev, prop);
@ -274,6 +278,7 @@ PropertyInfo qdev_prop_string = {
.size = sizeof(char*),
.parse = parse_string,
.print = print_string,
.free = free_string,
};
/* --- drive --- */
@ -617,6 +622,11 @@ void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
qdev_prop_set(dev, name, &value, PROP_TYPE_UINT64);
}
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value)
{
qdev_prop_set(dev, name, &value, PROP_TYPE_STRING);
}
void qdev_prop_set_drive(DeviceState *dev, const char *name, DriveInfo *value)
{
qdev_prop_set(dev, name, &value, PROP_TYPE_DRIVE);

6
hw/qdev.c
View File

@ -334,6 +334,7 @@ void qdev_init_nofail(DeviceState *dev)
void qdev_free(DeviceState *dev)
{
BusState *bus;
Property *prop;
if (dev->state == DEV_STATE_INITIALIZED) {
while (dev->num_child_bus) {
@ -349,6 +350,11 @@ void qdev_free(DeviceState *dev)
}
qemu_unregister_reset(qdev_reset, dev);
QLIST_REMOVE(dev, sibling);
for (prop = dev->info->props; prop && prop->name; prop++) {
if (prop->info->free) {
prop->info->free(dev, prop);
}
}
qemu_free(dev);
}

6
hw/qdev.h
View File

@ -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"
@ -98,6 +98,7 @@ struct PropertyInfo {
enum PropertyType type;
int (*parse)(DeviceState *dev, Property *prop, const char *str);
int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
void (*free)(DeviceState *dev, Property *prop);
};
typedef struct GlobalProperty {
@ -124,6 +125,8 @@ void qdev_machine_creation_done(void);
qemu_irq qdev_get_gpio_in(DeviceState *dev, int n);
void qdev_connect_gpio_out(DeviceState *dev, int n, qemu_irq pin);
BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
BusState *qdev_get_child_bus(DeviceState *dev, const char *name);
/*** Device API. ***/
@ -268,6 +271,7 @@ void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value);
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value);
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value);
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value);
void qdev_prop_set_string(DeviceState *dev, const char *name, char *value);
void qdev_prop_set_chr(DeviceState *dev, const char *name, CharDriverState *value);
void qdev_prop_set_netdev(DeviceState *dev, const char *name, VLANClientState *value);
void qdev_prop_set_vlan(DeviceState *dev, const char *name, VLANState *value);

1
hw/scsi-bus.c
View File

@ -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 = {

26
hw/scsi-disk.c
View File

@ -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
@ -66,6 +66,7 @@ struct SCSIDiskState
uint64_t max_lba;
QEMUBH *bh;
char *version;
char *serial;
};
static SCSIDiskReq *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun)
@ -359,9 +360,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
case 0x80: /* Device serial number, optional */
{
const char *serial = req->dev->conf.dinfo->serial ?
req->dev->conf.dinfo->serial : "0";
int l = strlen(serial);
int l = strlen(s->serial);
if (l > req->cmd.xfer)
l = req->cmd.xfer;
@ -371,7 +370,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
DPRINTF("Inquiry EVPD[Serial number] "
"buffer size %zd\n", req->cmd.xfer);
outbuf[buflen++] = l;
memcpy(outbuf+buflen, serial, l);
memcpy(outbuf+buflen, s->serial, l);
buflen += l;
break;
}
@ -463,8 +462,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf)
}
memcpy(&outbuf[8], "QEMU ", 8);
memset(&outbuf[32], 0, 4);
memcpy(&outbuf[32], s->version ? s->version : QEMU_VERSION,
MIN(4, strlen(s->version ? s->version : QEMU_VERSION)));
memcpy(&outbuf[32], s->version, MIN(4, strlen(s->version)));
/*
* We claim conformance to SPC-3, which is required for guests
* to ask for modern features like READ CAPACITY(16) or the
@ -1058,6 +1056,19 @@ static int scsi_disk_initfn(SCSIDevice *dev)
}
s->bs = s->qdev.conf.dinfo->bdrv;
if (!s->serial) {
if (*dev->conf.dinfo->serial) {
/* try to fall back to value set with legacy -drive serial=... */
s->serial = qemu_strdup(dev->conf.dinfo->serial);
} else {
s->serial = qemu_strdup("0");
}
}
if (!s->version) {
s->version = qemu_strdup(QEMU_VERSION);
}
if (bdrv_is_sg(s->bs)) {
error_report("scsi-disk: unwanted /dev/sg*");
return -1;
@ -1090,6 +1101,7 @@ static SCSIDeviceInfo scsi_disk_info = {
.qdev.props = (Property[]) {
DEFINE_BLOCK_PROPERTIES(SCSIDiskState, qdev.conf),
DEFINE_PROP_STRING("ver", SCSIDiskState, version),
DEFINE_PROP_STRING("serial", SCSIDiskState, serial),
DEFINE_PROP_END_OF_LIST(),
},
};

1
hw/scsi-generic.c
View File

@ -13,7 +13,6 @@
#include "qemu-common.h"
#include "qemu-error.h"
#include "block.h"
#include "scsi.h"
#ifdef __linux__

1
hw/serial.c
View File

@ -27,6 +27,7 @@
#include "isa.h"
#include "pc.h"
#include "qemu-timer.h"
#include "sysemu.h"
//#define DEBUG_SERIAL

1
hw/ssi-sd.c
View File

@ -9,7 +9,6 @@
#include "ssi.h"
#include "sd.h"
#include "sysemu.h"
//#define DEBUG_SSI_SD 1

1
hw/usb-hid.c
View File

@ -25,6 +25,7 @@
#include "hw.h"
#include "console.h"
#include "usb.h"
#include "sysemu.h"
/* HID interface requests */
#define GET_REPORT 0xa101

4
hw/usb-msd.c
View File

@ -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
@ -584,7 +584,7 @@ static USBDevice *usb_msd_init(const char *filename)
qemu_opt_set(opts, "if", "none");
/* create host drive */
dinfo = drive_init(opts, NULL, &fatal_error);
dinfo = drive_init(opts, 0, &fatal_error);
if (!dinfo) {
qemu_opts_del(opts);
return NULL;

9
hw/virtio-blk.c
View File

@ -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
@ -277,7 +275,7 @@ static void virtio_blk_handle_write(BlockRequest *blkreq, int *num_writes,
}
blkreq[*num_writes].sector = req->out->sector;
blkreq[*num_writes].nb_sectors = req->qiov.size / 512;
blkreq[*num_writes].nb_sectors = req->qiov.size / BDRV_SECTOR_SIZE;
blkreq[*num_writes].qiov = &req->qiov;
blkreq[*num_writes].cb = virtio_blk_rw_complete;
blkreq[*num_writes].opaque = req;
@ -296,7 +294,8 @@ static void virtio_blk_handle_read(VirtIOBlockReq *req)
}
acb = bdrv_aio_readv(req->dev->bs, req->out->sector, &req->qiov,
req->qiov.size / 512, virtio_blk_rw_complete, req);
req->qiov.size / BDRV_SECTOR_SIZE,
virtio_blk_rw_complete, req);
if (!acb) {
virtio_blk_rw_complete(req, -EIO);
}
@ -505,7 +504,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, BlockConf *conf)
s->bs = conf->dinfo->bdrv;
s->conf = conf;
s->rq = NULL;
s->sector_mask = (s->conf->logical_block_size / 512) - 1;
s->sector_mask = (s->conf->logical_block_size / BDRV_SECTOR_SIZE) - 1;
bdrv_guess_geometry(s->bs, &cylinders, &heads, &secs);
s->vq = virtio_add_queue(&s->vdev, 128, virtio_blk_handle_output);

1
hw/virtio-pci.c
View File

@ -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
View File

@ -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;
@ -935,93 +920,6 @@ 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) {

1
qemu-char.c
View File

@ -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"

4
qemu-io.c
View File

@ -1317,7 +1317,7 @@ truncate_f(int argc, char **argv)
ret = bdrv_truncate(bs, offset);
if (ret < 0) {
printf("truncate: %s", strerror(ret));
printf("truncate: %s\n", strerror(-ret));
return 0;
}
@ -1342,7 +1342,7 @@ length_f(int argc, char **argv)
size = bdrv_getlength(bs);
if (size < 0) {
printf("getlength: %s", strerror(size));
printf("getlength: %s\n", strerror(-size));
return 0;
}

2
savevm.c
View File

@ -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"

52
sysemu.h
View File

@ -142,58 +142,6 @@ 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
#define MAX_DRIVES 32
extern QTAILQ_HEAD(drivelist, DriveInfo) drives;
extern QTAILQ_HEAD(driveoptlist, DriveOpt) driveopts;
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);
BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
extern QemuOpts *drive_add(const char *file, const char *fmt, ...);
extern DriveInfo *drive_init(QemuOpts *arg, void *machine, 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);

499
vl.c
View File

@ -137,7 +137,7 @@ 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"
@ -170,10 +170,6 @@ int main(int argc, char **argv)
static const char *data_dir;
const char *bios_name = NULL;
/* Note: drives_table[MAX_DRIVES] is a dummy block driver if none available
to store the VM snapshots */
struct drivelist drives = QTAILQ_HEAD_INITIALIZER(drives);
struct driveoptlist driveopts = QTAILQ_HEAD_INITIALIZER(driveopts);
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
DisplayType display_type = DT_DEFAULT;
const char* keyboard_layout = NULL;
@ -633,492 +629,12 @@ 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, void *opaque,
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;
QEMUMachine *machine = opaque;
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;
*fatal_error = 1;
translation = BIOS_ATA_TRANSLATION_AUTO;
if (machine && machine->use_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;
if (bdrv_open(dinfo->bdrv, file, bdrv_flags, drv) < 0) {
fprintf(stderr, "qemu: could not open disk image %s: %s\n",
file, strerror(errno));
return NULL;
}
if (bdrv_key_required(dinfo->bdrv))
autostart = 0;
*fatal_error = 0;
return dinfo;
}
static int drive_init_func(QemuOpts *opts, void *opaque)
{
QEMUMachine *machine = opaque;
int *use_scsi = opaque;
int fatal_error = 0;
if (drive_init(opts, machine, &fatal_error) == NULL) {
if (drive_init(opts, *use_scsi, &fatal_error) == NULL) {
if (fatal_error)
return 1;
}
@ -1297,7 +813,7 @@ static void smp_parse(const char *optarg)
/***********************************************************/
/* USB devices */
static int usb_device_add(const char *devname, int is_hotplug)
static int usb_device_add(const char *devname)
{
const char *p;
USBDevice *dev = NULL;
@ -1349,7 +865,7 @@ static int usb_device_del(const char *devname)
static int usb_parse(const char *cmdline)
{
int r;
r = usb_device_add(cmdline, 0);
r = usb_device_add(cmdline);
if (r < 0) {
fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
}
@ -1359,7 +875,7 @@ static int usb_parse(const char *cmdline)
void do_usb_add(Monitor *mon, const QDict *qdict)
{
const char *devname = qdict_get_str(qdict, "devname");
if (usb_device_add(devname, 1) < 0) {
if (usb_device_add(devname) < 0) {
error_report("could not add USB device '%s'", devname);
}
}
@ -1841,6 +1357,7 @@ static void main_loop(void)
vm_stop(r);
}
}
bdrv_close_all();
pause_all_vcpus();
}
@ -3243,7 +2760,7 @@ int main(int argc, char **argv, char **envp)
/* open the virtual block devices */
if (snapshot)
qemu_opts_foreach(&qemu_drive_opts, drive_enable_snapshot, NULL, 0);
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, machine, 1) != 0)
if (qemu_opts_foreach(&qemu_drive_opts, drive_init_func, &machine->use_scsi, 1) != 0)
exit(1);
register_savevm_live("ram", 0, 3, NULL, ram_save_live, NULL,