haraldwolff/qemu-patch-raspberry4
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usb storage: serial number support

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If a serial number is present for the drive fill it into the usb
serialnumber string descriptor.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2010-11-26 12:26:17 +01:00
parent 132a3f55f0
commit 4a1e1bc416
1 changed files with 6 additions and 0 deletions
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6
hw/usb-msd.c
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@ -482,6 +482,7 @@ static int usb_msd_initfn(USBDevice *dev)
{
MSDState *s = DO_UPCAST(MSDState, dev, dev);
BlockDriverState *bs = s->conf.bs;
DriveInfo *dinfo;
if (!bs) {
error_report("usb-msd: drive property not set");
@ -500,6 +501,11 @@ static int usb_msd_initfn(USBDevice *dev)
bdrv_detach(bs, &s->dev.qdev);
s->conf.bs = NULL;
dinfo = drive_get_by_blockdev(bs);
if (dinfo && dinfo->serial) {
usb_desc_set_string(dev, STR_SERIALNUMBER, dinfo->serial);
}
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);