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>
# 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))
--- /dev/null
+/*
+ * 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);
+}
--- /dev/null
+/*
+ * 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
#include "pm_smbus.h"
#include "pci.h"
#include "acpi.h"
+#include "sysemu.h"
//#define DEBUG
#include "pci_host.h"
#include "rwhandler.h"
#include "apb_pci.h"
+#include "sysemu.h"
/* debug APB */
//#define DEBUG_APB
#include "hw.h"
#include "boards.h"
#include "net.h"
-#include "block_int.h"
-#include "sysemu.h"
DriveInfo *add_init_drive(const char *optstr)
{
#include "hw.h"
#include "fdc.h"
-#include "block.h"
#include "qemu-timer.h"
#include "isa.h"
#include "sysbus.h"
#define HW_FDC_H
/* fdc.c */
-#include "sysemu.h"
+#include "blockdev.h"
#define MAX_FD 2
typedef struct FDCtrl FDCtrl;
#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"
* 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>
#include "sysbus.h"
#include "net.h"
#include "devices.h"
+#include "sysemu.h"
/* For crc32 */
#include <zlib.h>
# 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
* 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"
#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
#include "qemu-char.h"
#include "isa.h"
#include "pc.h"
+#include "sysemu.h"
//#define DEBUG_PARALLEL
#include "elf.h"
#include "multiboot.h"
#include "mc146818rtc.h"
+#include "sysemu.h"
/* output Bochs bios info messages */
//#define DEBUG_BIOS
#include "boards.h"
#include "ide.h"
#include "kvm.h"
+#include "sysemu.h"
#define MAX_IDE_BUS 2
#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"
/* PCMCIA/Cardbus */
#include "qemu-common.h"
-#include "sysemu.h"
+#include "blockdev.h"
typedef struct {
qemu_irq irq;
-#include "sysemu.h"
#include "net.h"
#include "qdev.h"
#include "qerror.h"
#define QDEV_H
#include "hw.h"
-#include "sysemu.h"
+#include "blockdev.h"
#include "qemu-queue.h"
#include "qemu-char.h"
#include "qemu-option.h"
#include "qemu-error.h"
#include "scsi.h"
#include "scsi-defs.h"
-#include "block.h"
#include "qdev.h"
static struct BusInfo scsi_bus_info = {
#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
#include "qemu-common.h"
#include "qemu-error.h"
-#include "block.h"
#include "scsi.h"
#ifdef __linux__
#include "isa.h"
#include "pc.h"
#include "qemu-timer.h"
+#include "sysemu.h"
//#define DEBUG_SERIAL
#include "hw.h"
#include "console.h"
#include "usb.h"
+#include "sysemu.h"
/* HID interface requests */
#define GET_REPORT 0xa101
#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
*/
#include <qemu-common.h>
-#include <sysemu.h>
#include "virtio-blk.h"
-#include "block_int.h"
#ifdef __linux__
# include <scsi/sg.h>
#endif
#include "qemu-error.h"
#include "msix.h"
#include "net.h"
-#include "block_int.h"
#include "loader.h"
#include "kvm.h"
#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"
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;
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) {
#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"
#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"
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);
#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"
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;
#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;