summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hw/block/block.c24
-rw-r--r--hw/block/hd-geometry.c10
-rw-r--r--hw/block/nvme.c1
-rw-r--r--hw/block/virtio-blk.c1
-rw-r--r--hw/core/qdev-properties.c3
-rw-r--r--hw/ide/qdev.c1
-rw-r--r--hw/scsi/scsi-disk.c2
-rw-r--r--hw/usb/dev-storage.c1
-rw-r--r--include/hw/block/block.h5
-rw-r--r--include/hw/qdev-properties.h4
10 files changed, 46 insertions, 6 deletions
diff --git a/hw/block/block.c b/hw/block/block.c
index a625773..f7243e5 100644
--- a/hw/block/block.c
+++ b/hw/block/block.c
@@ -25,6 +25,30 @@ void blkconf_serial(BlockConf *conf, char **serial)
}
}
+void blkconf_blocksizes(BlockConf *conf)
+{
+ BlockBackend *blk = conf->blk;
+ BlockSizes blocksizes;
+ int backend_ret;
+
+ backend_ret = blk_probe_blocksizes(blk, &blocksizes);
+ /* fill in detected values if they are not defined via qemu command line */
+ if (!conf->physical_block_size) {
+ if (!backend_ret) {
+ conf->physical_block_size = blocksizes.phys;
+ } else {
+ conf->physical_block_size = BDRV_SECTOR_SIZE;
+ }
+ }
+ if (!conf->logical_block_size) {
+ if (!backend_ret) {
+ conf->logical_block_size = blocksizes.log;
+ } else {
+ conf->logical_block_size = BDRV_SECTOR_SIZE;
+ }
+ }
+}
+
void blkconf_geometry(BlockConf *conf, int *ptrans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp)
diff --git a/hw/block/hd-geometry.c b/hw/block/hd-geometry.c
index 6fcf74d..b187878 100644
--- a/hw/block/hd-geometry.c
+++ b/hw/block/hd-geometry.c
@@ -121,8 +121,16 @@ void hd_geometry_guess(BlockBackend *blk,
int *ptrans)
{
int cylinders, heads, secs, translation;
+ HDGeometry geo;
- if (guess_disk_lchs(blk, &cylinders, &heads, &secs) < 0) {
+ /* Try to probe the backing device geometry, otherwise fallback
+ to the old logic. (as of 12/2014 probing only succeeds on DASDs) */
+ if (blk_probe_geometry(blk, &geo) == 0) {
+ *pcyls = geo.cylinders;
+ *psecs = geo.sectors;
+ *pheads = geo.heads;
+ translation = BIOS_ATA_TRANSLATION_NONE;
+ } else if (guess_disk_lchs(blk, &cylinders, &heads, &secs) < 0) {
/* no LCHS guess: use a standard physical disk geometry */
guess_chs_for_size(blk, pcyls, pheads, psecs);
translation = hd_bios_chs_auto_trans(*pcyls, *pheads, *psecs);
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index ce079ae..0f3dfb9 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -765,6 +765,7 @@ static int nvme_init(PCIDevice *pci_dev)
if (!n->serial) {
return -1;
}
+ blkconf_blocksizes(&n->conf);
pci_conf = pci_dev->config;
pci_conf[PCI_INTERRUPT_PIN] = 1;
diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c
index 3ad5fe4..2acfef8 100644
--- a/hw/block/virtio-blk.c
+++ b/hw/block/virtio-blk.c
@@ -893,6 +893,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
error_propagate(errp, err);
return;
}
+ blkconf_blocksizes(&conf->conf);
virtio_init(vdev, "virtio-blk", VIRTIO_ID_BLOCK,
sizeof(struct virtio_blk_config));
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 2e47f70..ba81709 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -580,7 +580,8 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
error_propagate(errp, local_err);
return;
}
- if (value < min || value > max) {
+ /* value of 0 means "unset" */
+ if (value && (value < min || value > max)) {
error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
dev->id?:"", name, (int64_t)value, min, max);
return;
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index b4103fa..788b361 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -163,6 +163,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
return -1;
}
+ blkconf_blocksizes(&dev->conf);
if (dev->conf.logical_block_size != 512) {
error_report("logical_block_size must be 512 for IDE");
return -1;
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index f65618d..2921728 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -2251,6 +2251,7 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
}
blkconf_serial(&s->qdev.conf, &s->serial);
+ blkconf_blocksizes(&s->qdev.conf);
if (dev->type == TYPE_DISK) {
blkconf_geometry(&dev->conf, NULL, 65535, 255, 255, &err);
if (err) {
@@ -2290,6 +2291,7 @@ static void scsi_realize(SCSIDevice *dev, Error **errp)
static void scsi_hd_realize(SCSIDevice *dev, Error **errp)
{
SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, dev);
+ blkconf_blocksizes(&s->qdev.conf);
s->qdev.blocksize = s->qdev.conf.logical_block_size;
s->qdev.type = TYPE_DISK;
if (!s->product) {
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 65d9aa6..8edc314 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -611,6 +611,7 @@ static void usb_msd_realize_storage(USBDevice *dev, Error **errp)
}
blkconf_serial(&s->conf, &dev->serial);
+ blkconf_blocksizes(&s->conf);
/*
* Hack alert: this pretends to be a block device, but it's really
diff --git a/include/hw/block/block.h b/include/hw/block/block.h
index 0d0ce9a..8d7c4b4 100644
--- a/include/hw/block/block.h
+++ b/include/hw/block/block.h
@@ -44,9 +44,9 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf)
#define DEFINE_BLOCK_PROPERTIES(_state, _conf) \
DEFINE_PROP_DRIVE("drive", _state, _conf.blk), \
DEFINE_PROP_BLOCKSIZE("logical_block_size", _state, \
- _conf.logical_block_size, 512), \
+ _conf.logical_block_size), \
DEFINE_PROP_BLOCKSIZE("physical_block_size", _state, \
- _conf.physical_block_size, 512), \
+ _conf.physical_block_size), \
DEFINE_PROP_UINT16("min_io_size", _state, _conf.min_io_size, 0), \
DEFINE_PROP_UINT32("opt_io_size", _state, _conf.opt_io_size, 0), \
DEFINE_PROP_UINT32("discard_granularity", _state, \
@@ -63,6 +63,7 @@ void blkconf_serial(BlockConf *conf, char **serial);
void blkconf_geometry(BlockConf *conf, int *trans,
unsigned cyls_max, unsigned heads_max, unsigned secs_max,
Error **errp);
+void blkconf_blocksizes(BlockConf *conf);
/* Hard disk geometry */
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 070006c..2fdcbce 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -149,8 +149,8 @@ extern PropertyInfo qdev_prop_arraylen;
LostTickPolicy)
#define DEFINE_PROP_BIOS_CHS_TRANS(_n, _s, _f, _d) \
DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_bios_chs_trans, int)
-#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f, _d) \
- DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_blocksize, uint16_t)
+#define DEFINE_PROP_BLOCKSIZE(_n, _s, _f) \
+ DEFINE_PROP_DEFAULT(_n, _s, _f, 0, qdev_prop_blocksize, uint16_t)
#define DEFINE_PROP_PCI_HOST_DEVADDR(_n, _s, _f) \
DEFINE_PROP(_n, _s, _f, qdev_prop_pci_host_devaddr, PCIHostDeviceAddress)
OpenPOWER on IntegriCloud