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[Qemu-devel] [PATCH v3 2/4] scsi: Allow SCSI devices to override the rem
From: |
Stefan Hajnoczi |
Subject: |
[Qemu-devel] [PATCH v3 2/4] scsi: Allow SCSI devices to override the removable bit |
Date: |
Fri, 21 Jan 2011 11:00:07 +0000 |
Some SCSI devices may wish to override the removable bit. Add support
for a qdev property on the SCSI device.
Signed-off-by: Stefan Hajnoczi <address@hidden>
---
hw/pci-hotplug.c | 2 +-
hw/scsi-bus.c | 8 ++++++--
hw/scsi.h | 3 ++-
hw/usb-msd.c | 2 +-
4 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
index 716133c..270a982 100644
--- a/hw/pci-hotplug.c
+++ b/hw/pci-hotplug.c
@@ -90,7 +90,7 @@ static int scsi_hot_add(Monitor *mon, DeviceState *adapter,
* specified).
*/
dinfo->unit = qemu_opt_get_number(dinfo->opts, "unit", -1);
- scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit);
+ scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit,
false);
if (!scsidev) {
return -1;
}
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index 7febb86..ceeb4ec 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -87,7 +87,8 @@ void scsi_qdev_register(SCSIDeviceInfo *info)
}
/* handle legacy '-drive if=scsi,...' cmd line args */
-SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
int unit)
+SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
+ int unit, bool removable)
{
const char *driver;
DeviceState *dev;
@@ -95,6 +96,9 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus,
BlockDriverState *bdrv, int
driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk";
dev = qdev_create(&bus->qbus, driver);
qdev_prop_set_uint32(dev, "scsi-id", unit);
+ if (qdev_prop_exists(dev, "removable")) {
+ qdev_prop_set_bit(dev, "removable", removable);
+ }
if (qdev_prop_set_drive(dev, "drive", bdrv) < 0) {
qdev_free(dev);
return NULL;
@@ -117,7 +121,7 @@ int scsi_bus_legacy_handle_cmdline(SCSIBus *bus)
continue;
}
qemu_opts_loc_restore(dinfo->opts);
- if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit)) {
+ if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false)) {
res = -1;
break;
}
diff --git a/hw/scsi.h b/hw/scsi.h
index bf02adf..846fbba 100644
--- a/hw/scsi.h
+++ b/hw/scsi.h
@@ -94,7 +94,8 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
return DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus);
}
-SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
int unit);
+SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
+ int unit, bool removable);
int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t
lun);
diff --git a/hw/usb-msd.c b/hw/usb-msd.c
index 0a95d8d..ee897b6 100644
--- a/hw/usb-msd.c
+++ b/hw/usb-msd.c
@@ -544,7 +544,7 @@ static int usb_msd_initfn(USBDevice *dev)
s->dev.speed = USB_SPEED_FULL;
scsi_bus_new(&s->bus, &s->dev.qdev, 0, 1, usb_msd_command_complete);
- s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0);
+ s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, false);
if (!s->scsi_dev) {
return -1;
}
--
1.7.2.3
- [Qemu-devel] [PATCH v3 0/4] usb-msd: Add usb-storage, removable=on|off property, Stefan Hajnoczi, 2011/01/21
- [Qemu-devel] [PATCH v3 1/4] scsi-disk: Allow overriding SCSI INQUIRY removable bit, Stefan Hajnoczi, 2011/01/21
- [Qemu-devel] [PATCH v3 3/4] usb-msd: Propagate removable bit to SCSI device, Stefan Hajnoczi, 2011/01/21
- [Qemu-devel] [PATCH v3 4/4] docs: Document scsi-disk and usb-storage removable parameter, Stefan Hajnoczi, 2011/01/21
- [Qemu-devel] [PATCH v3 2/4] scsi: Allow SCSI devices to override the removable bit,
Stefan Hajnoczi <=
- [Qemu-devel] Re: [PATCH v3 0/4] usb-msd: Add usb-storage, removable=on|off property, Kevin Wolf, 2011/01/21