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SCSI patches include bug fixes from Fam and Peter, improved error

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reporting from Fam and a fix for DPRINTF bitrot.  Memory patches try
 again to initialize name from the QOM name.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

SCSI patches include bug fixes from Fam and Peter, improved error
reporting from Fam and a fix for DPRINTF bitrot.  Memory patches try
again to initialize name from the QOM name.

# gpg: Signature made Thu 28 Aug 2014 15:10:31 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg:                 aka "Paolo Bonzini <bonzini@gnu.org>"

* remotes/bonzini/tags/for-upstream:
  memory: Lazy init name from QOM name as needed
  xen: hvm: Abstract away memory region name ref
  xen-hvm: Constify string
  virtio-scsi: Report error if num_queues is 0 or too large
  scsi-generic: remove superfluous DPRINTF avoid to break compiling
  block/iscsi: fix memory corruption on iscsi resize
  scsi-bus: Convert DeviceClass init to realize
  block: Pass errp in blkconf_geometry

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-08-28 17:08:13 +01:00
commit a6aebb38ba
13 changed files with 141 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
hw/block/block.c
View File

@ -22,8 +22,9 @@ void blkconf_serial(BlockConf *conf, char **serial)
}
}
int blkconf_geometry(BlockConf *conf, int *ptrans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max)
void blkconf_geometry(BlockConf *conf, int *ptrans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp)
{
DriveInfo *dinfo;
@ -46,17 +47,16 @@ int blkconf_geometry(BlockConf *conf, int *ptrans,
}
if (conf->cyls || conf->heads || conf->secs) {
if (conf->cyls < 1 || conf->cyls > cyls_max) {
error_report("cyls must be between 1 and %u", cyls_max);
return -1;
error_setg(errp, "cyls must be between 1 and %u", cyls_max);
return;
}
if (conf->heads < 1 || conf->heads > heads_max) {
error_report("heads must be between 1 and %u", heads_max);
return -1;
error_setg(errp, "heads must be between 1 and %u", heads_max);
return;
}
if (conf->secs < 1 || conf->secs > secs_max) {
error_report("secs must be between 1 and %u", secs_max);
return -1;
error_setg(errp, "secs must be between 1 and %u", secs_max);
return;
}
}
return 0;
}

7
hw/block/virtio-blk.c
View File

@ -729,9 +729,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
VirtIOBlock *s = VIRTIO_BLK(dev);
VirtIOBlkConf *blk = &(s->blk);
#ifdef CONFIG_VIRTIO_BLK_DATA_PLANE
Error *err = NULL;
#endif
static int virtio_blk_id;
if (!blk->conf.bs) {
@ -745,8 +743,9 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
blkconf_serial(&blk->conf, &blk->serial);
s->original_wce = bdrv_enable_write_cache(blk->conf.bs);
if (blkconf_geometry(&blk->conf, NULL, 65535, 255, 255) < 0) {
error_setg(errp, "Error setting geometry");
blkconf_geometry(&blk->conf, NULL, 65535, 255, 255, &err);
if (err) {
error_propagate(errp, err);
return;
}

11
hw/ide/qdev.c
View File

@ -151,6 +151,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
{
IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
IDEState *s = bus->ifs + dev->unit;
Error *err = NULL;
if (dev->conf.discard_granularity == -1) {
dev->conf.discard_granularity = 512;
@ -161,9 +162,13 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
}
blkconf_serial(&dev->conf, &dev->serial);
if (kind != IDE_CD
&& blkconf_geometry(&dev->conf, &dev->chs_trans, 65536, 16, 255) < 0) {
return -1;
if (kind != IDE_CD) {
blkconf_geometry(&dev->conf, &dev->chs_trans, 65536, 16, 255, &err);
if (err) {
error_report("%s", error_get_pretty(err));
error_free(err);
return -1;
}
}
if (ide_init_drive(s, dev->conf.bs, kind,

1
hw/scsi/lsi53c895a.c
View File

@ -19,6 +19,7 @@
#include "hw/pci/pci.h"
#include "hw/scsi/scsi.h"
#include "sysemu/dma.h"
#include "qemu/error-report.h"
//#define DEBUG_LSI
//#define DEBUG_LSI_REG

70
hw/scsi/scsi-bus.c
View File

@ -36,20 +36,19 @@ static const TypeInfo scsi_bus_info = {
};
static int next_scsi_bus;
static int scsi_device_init(SCSIDevice *s)
static void scsi_device_realize(SCSIDevice *s, Error **errp)
{
SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s);
if (sc->init) {
return sc->init(s);
if (sc->realize) {
sc->realize(s, errp);
}
return 0;
}
static void scsi_device_destroy(SCSIDevice *s)
static void scsi_device_unrealize(SCSIDevice *s, Error **errp)
{
SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s);
if (sc->destroy) {
sc->destroy(s);
if (sc->unrealize) {
sc->unrealize(s, errp);
}
}
@ -143,24 +142,24 @@ static void scsi_dma_restart_cb(void *opaque, int running, RunState state)
}
}
static int scsi_qdev_init(DeviceState *qdev)
static void scsi_qdev_realize(DeviceState *qdev, Error **errp)
{
SCSIDevice *dev = SCSI_DEVICE(qdev);
SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus);
SCSIDevice *d;
int rc = -1;
Error *local_err = NULL;
if (dev->channel > bus->info->max_channel) {
error_report("bad scsi channel id: %d", dev->channel);
goto err;
error_setg(errp, "bad scsi channel id: %d", dev->channel);
return;
}
if (dev->id != -1 && dev->id > bus->info->max_target) {
error_report("bad scsi device id: %d", dev->id);
goto err;
error_setg(errp, "bad scsi device id: %d", dev->id);
return;
}
if (dev->lun != -1 && dev->lun > bus->info->max_lun) {
error_report("bad scsi device lun: %d", dev->lun);
goto err;
error_setg(errp, "bad scsi device lun: %d", dev->lun);
return;
}
if (dev->id == -1) {
@ -172,8 +171,8 @@ static int scsi_qdev_init(DeviceState *qdev)
d = scsi_device_find(bus, dev->channel, ++id, dev->lun);
} while (d && d->lun == dev->lun && id < bus->info->max_target);
if (d && d->lun == dev->lun) {
error_report("no free target");
goto err;
error_setg(errp, "no free target");
return;
}
dev->id = id;
} else if (dev->lun == -1) {
@ -182,43 +181,41 @@ static int scsi_qdev_init(DeviceState *qdev)
d = scsi_device_find(bus, dev->channel, dev->id, ++lun);
} while (d && d->lun == lun && lun < bus->info->max_lun);
if (d && d->lun == lun) {
error_report("no free lun");
goto err;
error_setg(errp, "no free lun");
return;
}
dev->lun = lun;
} else {
d = scsi_device_find(bus, dev->channel, dev->id, dev->lun);
assert(d);
if (d->lun == dev->lun && dev != d) {
error_report("lun already used by '%s'", d->qdev.id);
goto err;
error_setg(errp, "lun already used by '%s'", d->qdev.id);
return;
}
}
QTAILQ_INIT(&dev->requests);
rc = scsi_device_init(dev);
if (rc == 0) {
dev->vmsentry = qemu_add_vm_change_state_handler(scsi_dma_restart_cb,
dev);
scsi_device_realize(dev, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
dev->vmsentry = qemu_add_vm_change_state_handler(scsi_dma_restart_cb,
dev);
if (bus->info->hotplug) {
bus->info->hotplug(bus, dev);
}
err:
return rc;
}
static int scsi_qdev_exit(DeviceState *qdev)
static void scsi_qdev_unrealize(DeviceState *qdev, Error **errp)
{
SCSIDevice *dev = SCSI_DEVICE(qdev);
if (dev->vmsentry) {
qemu_del_vm_change_state_handler(dev->vmsentry);
}
scsi_device_destroy(dev);
return 0;
scsi_device_unrealize(dev, errp);
}
/* handle legacy '-drive if=scsi,...' cmd line args */
@ -273,6 +270,7 @@ void scsi_bus_legacy_handle_cmdline(SCSIBus *bus, Error **errp)
scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false, -1, NULL,
&err);
if (err != NULL) {
error_report("%s", error_get_pretty(err));
error_propagate(errp, err);
break;
}
@ -1992,11 +1990,11 @@ static void scsi_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
k->bus_type = TYPE_SCSI_BUS;
k->init = scsi_qdev_init;
k->unplug = scsi_qdev_unplug;
k->exit = scsi_qdev_exit;
k->props = scsi_props;
k->bus_type = TYPE_SCSI_BUS;
k->realize = scsi_qdev_realize;
k->unplug = scsi_qdev_unplug;
k->unrealize = scsi_qdev_unrealize;
k->props = scsi_props;
}
static const TypeInfo scsi_device_type_info = {

83
hw/scsi/scsi-disk.c
View File

@ -2151,7 +2151,7 @@ static void scsi_disk_reset(DeviceState *dev)
s->tray_open = 0;
}
static void scsi_destroy(SCSIDevice *dev)
static void scsi_unrealize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
@ -2234,25 +2234,29 @@ static void scsi_disk_unit_attention_reported(SCSIDevice *dev)
}
}
static int scsi_initfn(SCSIDevice *dev)
static void scsi_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
Error *err = NULL;
if (!s->qdev.conf.bs) {
error_report("drive property not set");
return -1;
error_setg(errp, "drive property not set");
return;
}
if (!(s->features & (1 << SCSI_DISK_F_REMOVABLE)) &&
!bdrv_is_inserted(s->qdev.conf.bs)) {
error_report("Device needs media, but drive is empty");
return -1;
error_setg(errp, "Device needs media, but drive is empty");
return;
}
blkconf_serial(&s->qdev.conf, &s->serial);
if (dev->type == TYPE_DISK
&& blkconf_geometry(&dev->conf, NULL, 65535, 255, 255) < 0) {
return -1;
if (dev->type == TYPE_DISK) {
blkconf_geometry(&dev->conf, NULL, 65535, 255, 255, &err);
if (err) {
error_propagate(errp, err);
return;
}
}
if (s->qdev.conf.discard_granularity == -1) {
@ -2268,8 +2272,8 @@ static int scsi_initfn(SCSIDevice *dev)
}
if (bdrv_is_sg(s->qdev.conf.bs)) {
error_report("unwanted /dev/sg*");
return -1;
error_setg(errp, "unwanted /dev/sg*");
return;
}
if ((s->features & (1 << SCSI_DISK_F_REMOVABLE)) &&
@ -2282,10 +2286,9 @@ static int scsi_initfn(SCSIDevice *dev)
bdrv_iostatus_enable(s->qdev.conf.bs);
add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, NULL);
return 0;
}
static int scsi_hd_initfn(SCSIDevice *dev)
static void scsi_hd_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
s->qdev.blocksize = s->qdev.conf.logical_block_size;
@ -2293,10 +2296,10 @@ static int scsi_hd_initfn(SCSIDevice *dev)
if (!s->product) {
s->product = g_strdup("QEMU HARDDISK");
}
return scsi_initfn(&s->qdev);
scsi_realize(&s->qdev, errp);
}
static int scsi_cd_initfn(SCSIDevice *dev)
static void scsi_cd_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
s->qdev.blocksize = 2048;
@ -2305,22 +2308,26 @@ static int scsi_cd_initfn(SCSIDevice *dev)
if (!s->product) {
s->product = g_strdup("QEMU CD-ROM");
}
return scsi_initfn(&s->qdev);
scsi_realize(&s->qdev, errp);
}
static int scsi_disk_initfn(SCSIDevice *dev)
static void scsi_disk_realize(SCSIDevice *dev, Error **errp)
{
DriveInfo *dinfo;
Error *local_err = NULL;
if (!dev->conf.bs) {
return scsi_initfn(dev); /* ... and die there */
scsi_realize(dev, &local_err);
assert(local_err);
error_propagate(errp, local_err);
return;
}
dinfo = drive_get_by_blockdev(dev->conf.bs);
if (dinfo->media_cd) {
return scsi_cd_initfn(dev);
scsi_cd_realize(dev, errp);
} else {
return scsi_hd_initfn(dev);
scsi_hd_realize(dev, errp);
}
}
@ -2452,35 +2459,35 @@ static int get_device_type(SCSIDiskState *s)
return 0;
}
static int scsi_block_initfn(SCSIDevice *dev)
static void scsi_block_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
int sg_version;
int rc;
if (!s->qdev.conf.bs) {
error_report("drive property not set");
return -1;
error_setg(errp, "drive property not set");
return;
}
/* check we are using a driver managing SG_IO (version 3 and after) */
rc = bdrv_ioctl(s->qdev.conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
error_report("cannot get SG_IO version number: %s. "
error_setg(errp, "cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return -1;
return;
}
if (sg_version < 30000) {
error_report("scsi generic interface too old");
return -1;
error_setg(errp, "scsi generic interface too old");
return;
}
/* get device type from INQUIRY data */
rc = get_device_type(s);
if (rc < 0) {
error_report("INQUIRY failed");
return -1;
error_setg(errp, "INQUIRY failed");
return;
}
/* Make a guess for the block size, we'll fix it when the guest sends.
@ -2498,7 +2505,7 @@ static int scsi_block_initfn(SCSIDevice *dev)
*/
s->features |= (1 << SCSI_DISK_F_NO_REMOVABLE_DEVOPS);
return scsi_initfn(&s->qdev);
scsi_realize(&s->qdev, errp);
}
static bool scsi_block_is_passthrough(SCSIDiskState *s, uint8_t *buf)
@ -2621,8 +2628,8 @@ static void scsi_hd_class_initfn(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->init = scsi_hd_initfn;
sc->destroy = scsi_destroy;
sc->realize = scsi_hd_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_new_request;
sc->unit_attention_reported = scsi_disk_unit_attention_reported;
dc->fw_name = "disk";
@ -2652,8 +2659,8 @@ static void scsi_cd_class_initfn(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->init = scsi_cd_initfn;
sc->destroy = scsi_destroy;
sc->realize = scsi_cd_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_new_request;
sc->unit_attention_reported = scsi_disk_unit_attention_reported;
dc->fw_name = "disk";
@ -2682,8 +2689,8 @@ static void scsi_block_class_initfn(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->init = scsi_block_initfn;
sc->destroy = scsi_destroy;
sc->realize = scsi_block_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_block_new_request;
sc->parse_cdb = scsi_block_parse_cdb;
dc->fw_name = "disk";
@ -2720,8 +2727,8 @@ static void scsi_disk_class_initfn(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->init = scsi_disk_initfn;
sc->destroy = scsi_destroy;
sc->realize = scsi_disk_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_new_request;
sc->unit_attention_reported = scsi_disk_unit_attention_reported;
dc->fw_name = "disk";

40
hw/scsi/scsi-generic.c
View File

@ -303,9 +303,6 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
SCSIDevice *s = r->req.dev;
int ret;
DPRINTF("Command: lun=%d tag=0x%x len %zd data=0x%02x", lun, tag,
r->req.cmd.xfer, cmd[0]);
#ifdef DEBUG_SCSI
{
int i;
@ -386,49 +383,49 @@ static void scsi_generic_reset(DeviceState *dev)
scsi_device_purge_requests(s, SENSE_CODE(RESET));
}
static void scsi_destroy(SCSIDevice *s)
static void scsi_unrealize(SCSIDevice *s, Error **errp)
{
scsi_device_purge_requests(s, SENSE_CODE(NO_SENSE));
blockdev_mark_auto_del(s->conf.bs);
}
static int scsi_generic_initfn(SCSIDevice *s)
static void scsi_generic_realize(SCSIDevice *s, Error **errp)
{
int rc;
int sg_version;
struct sg_scsi_id scsiid;
if (!s->conf.bs) {
error_report("drive property not set");
return -1;
error_setg(errp, "drive property not set");
return;
}
if (bdrv_get_on_error(s->conf.bs, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
error_report("Device doesn't support drive option werror");
return -1;
error_setg(errp, "Device doesn't support drive option werror");
return;
}
if (bdrv_get_on_error(s->conf.bs, 1) != BLOCKDEV_ON_ERROR_REPORT) {
error_report("Device doesn't support drive option rerror");
return -1;
error_setg(errp, "Device doesn't support drive option rerror");
return;
}
/* check we are using a driver managing SG_IO (version 3 and after */
rc = bdrv_ioctl(s->conf.bs, SG_GET_VERSION_NUM, &sg_version);
if (rc < 0) {
error_report("cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return -1;
error_setg(errp, "cannot get SG_IO version number: %s. "
"Is this a SCSI device?",
strerror(-rc));
return;
}
if (sg_version < 30000) {
error_report("scsi generic interface too old");
return -1;
error_setg(errp, "scsi generic interface too old");
return;
}
/* get LUN of the /dev/sg? */
if (bdrv_ioctl(s->conf.bs, SG_GET_SCSI_ID, &scsiid)) {
error_report("SG_GET_SCSI_ID ioctl failed");
return -1;
error_setg(errp, "SG_GET_SCSI_ID ioctl failed");
return;
}
/* define device state */
@ -460,7 +457,6 @@ static int scsi_generic_initfn(SCSIDevice *s)
}
DPRINTF("block size %d\n", s->blocksize);
return 0;
}
const SCSIReqOps scsi_generic_req_ops = {
@ -501,8 +497,8 @@ static void scsi_generic_class_initfn(ObjectClass *klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
sc->init = scsi_generic_initfn;
sc->destroy = scsi_destroy;
sc->realize = scsi_generic_realize;
sc->unrealize = scsi_unrealize;
sc->alloc_req = scsi_new_request;
sc->parse_cdb = scsi_generic_parse_cdb;
dc->fw_name = "disk";

6
hw/scsi/virtio-scsi.c
View File

@ -699,6 +699,12 @@ void virtio_scsi_common_realize(DeviceState *dev, Error **errp,
virtio_init(vdev, "virtio-scsi", VIRTIO_ID_SCSI,
sizeof(VirtIOSCSIConfig));
if (s->conf.num_queues <= 0 || s->conf.num_queues > VIRTIO_PCI_QUEUE_MAX) {
error_setg(errp, "Invalid number of queues (= %" PRId32 "), "
"must be a positive integer less than %d.",
s->conf.num_queues, VIRTIO_PCI_QUEUE_MAX);
return;
}
s->cmd_vqs = g_malloc0(s->conf.num_queues * sizeof(VirtQueue *));
s->sense_size = VIRTIO_SCSI_SENSE_SIZE;
s->cdb_size = VIRTIO_SCSI_CDB_SIZE;

6
include/hw/block/block.h
View File

@ -12,6 +12,7 @@
#define HW_BLOCK_COMMON_H
#include "qemu-common.h"
#include "qapi/error.h"
/* Configuration */
@ -60,8 +61,9 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf)
/* Configuration helpers */
void blkconf_serial(BlockConf *conf, char **serial);
int blkconf_geometry(BlockConf *conf, int *trans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max);
void blkconf_geometry(BlockConf *conf, int *trans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp);
/* Hard disk geometry */

4
include/hw/scsi/scsi.h
View File

@ -74,8 +74,8 @@ struct SCSIRequest {
typedef struct SCSIDeviceClass {
DeviceClass parent_class;
int (*init)(SCSIDevice *dev);
void (*destroy)(SCSIDevice *s);
void (*realize)(SCSIDevice *dev, Error **errp);
void (*unrealize)(SCSIDevice *dev, Error **errp);
int (*parse_cdb)(SCSIDevice *dev, SCSICommand *cmd, uint8_t *buf,
void *hba_private);
SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,

4
memory.c
View File

@ -1309,6 +1309,10 @@ uint64_t memory_region_size(MemoryRegion *mr)
const char *memory_region_name(const MemoryRegion *mr)
{
if (!mr->name) {
((MemoryRegion *)mr)->name =
object_get_canonical_path_component(OBJECT(mr));
}
return mr->name;
}

2
tests/qemu-iotests/051.out
View File

@ -149,13 +149,11 @@ QEMU_PROG: -device ide-hd,drive=disk: Device 'ide-hd' could not be initialized
Testing: -drive if=none,id=disk -device lsi53c895a -device scsi-disk,drive=disk
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) QEMU_PROG: -device scsi-disk,drive=disk: Device needs media, but drive is empty
QEMU_PROG: -device scsi-disk,drive=disk: Device initialization failed.
QEMU_PROG: -device scsi-disk,drive=disk: Device 'scsi-disk' could not be initialized
Testing: -drive if=none,id=disk -device lsi53c895a -device scsi-hd,drive=disk
QEMU X.Y.Z monitor - type 'help' for more information
(qemu) QEMU_PROG: -device scsi-hd,drive=disk: Device needs media, but drive is empty
QEMU_PROG: -device scsi-hd,drive=disk: Device initialization failed.
QEMU_PROG: -device scsi-hd,drive=disk: Device 'scsi-hd' could not be initialized

11
xen-hvm.c
View File

@ -71,7 +71,7 @@ static inline ioreq_t *xen_vcpu_ioreq(shared_iopage_t *shared_page, int vcpu)
typedef struct XenPhysmap {
hwaddr start_addr;
ram_addr_t size;
char *name;
const char *name;
hwaddr phys_offset;
QLIST_ENTRY(XenPhysmap) list;
@ -291,6 +291,7 @@ static int xen_add_to_physmap(XenIOState *state,
hwaddr pfn, start_gpfn;
hwaddr phys_offset = memory_region_get_ram_addr(mr);
char path[80], value[17];
const char *mr_name;
if (get_physmapping(state, start_addr, size)) {
return 0;
@ -326,11 +327,13 @@ go_physmap:
}
}
mr_name = memory_region_name(mr);
physmap = g_malloc(sizeof (XenPhysmap));
physmap->start_addr = start_addr;
physmap->size = size;
physmap->name = (char *)mr->name;
physmap->name = mr_name;
physmap->phys_offset = phys_offset;
QLIST_INSERT_HEAD(&state->physmap, physmap, list);
@ -354,11 +357,11 @@ go_physmap:
if (!xs_write(state->xenstore, 0, path, value, strlen(value))) {
return -1;
}
if (mr->name) {
if (mr_name) {
snprintf(path, sizeof(path),
"/local/domain/0/device-model/%d/physmap/%"PRIx64"/name",
xen_domid, (uint64_t)phys_offset);
if (!xs_write(state->xenstore, 0, path, mr->name, strlen(mr->name))) {
if (!xs_write(state->xenstore, 0, path, mr_name, strlen(mr_name))) {
return -1;
}
}