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

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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;
}