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usb-msd: do not register twice in the boot order 

USB mass storage devices are registered twice in the boot order.
To avoid having to keep the two paths in sync, pass the bootindex
property down to the scsi-disk device and let it register itself.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-11-18 16:32:00 +01:00 committed by Kevin Wolf
parent 3a395142ba
commit ce4e7e4661
4 changed files with 10 additions and 6 deletions
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3
hw/pci-hotplug.c
View File

@ -91,7 +91,8 @@ static int scsi_hot_add(Monitor *mon, DeviceState *adapter,
*/
dinfo->unit = qemu_opt_get_number(dinfo->opts, "unit", -1);
dinfo->bus = scsibus->busnr;
scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit, false);
scsidev = scsi_bus_legacy_add_drive(scsibus, dinfo->bdrv, dinfo->unit,
false, -1);
if (!scsidev) {
return -1;
}

7
hw/scsi-bus.c
View File

@ -162,7 +162,7 @@ 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, bool removable)
int unit, bool removable, int bootindex)
{
const char *driver;
DeviceState *dev;
@ -170,6 +170,9 @@ SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk";
dev = qdev_create(&bus->qbus, driver);
qdev_prop_set_uint32(dev, "scsi-id", unit);
if (bootindex >= 0) {
qdev_prop_set_int32(dev, "bootindex", bootindex);
}
if (qdev_prop_exists(dev, "removable")) {
qdev_prop_set_bit(dev, "removable", removable);
}
@ -195,7 +198,7 @@ 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, false)) {
if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false, -1)) {
res = -1;
break;
}

2
hw/scsi.h
View File

@ -128,7 +128,7 @@ static inline SCSIBus *scsi_bus_from_device(SCSIDevice *d)
}
SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv,
int unit, bool removable);
int unit, bool removable, int bootindex);
int scsi_bus_legacy_handle_cmdline(SCSIBus *bus);
/*

4
hw/usb-msd.c
View File

@ -546,7 +546,8 @@ static int usb_msd_initfn(USBDevice *dev)
usb_desc_init(dev);
scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info);
s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable);
s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
s->conf.bootindex);
if (!s->scsi_dev) {
return -1;
}
@ -562,7 +563,6 @@ static int usb_msd_initfn(USBDevice *dev)
}
}
add_boot_device_path(s->conf.bootindex, &dev->qdev, "/disk@0,0");
return 0;
}