pseries: Reset vscsi properly

Currently the PAPR vscsi implementation does not properly clear its table
of request tags when the system is reset.  This patch adds a reset hook
to do so.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
David Gibson 2012-04-12 12:44:14 +10:00 committed by Andreas Färber
parent b1c7f725a3
commit 3cabba609d

View File

@ -893,16 +893,20 @@ static const struct SCSIBusInfo vscsi_scsi_info = {
.cancel = vscsi_request_cancelled
};
static int spapr_vscsi_init(VIOsPAPRDevice *dev)
static void spapr_vscsi_reset(VIOsPAPRDevice *dev)
{
VSCSIState *s = DO_UPCAST(VSCSIState, vdev, dev);
int i;
/* Initialize qemu request tags */
memset(s->reqs, 0, sizeof(s->reqs));
for (i = 0; i < VSCSI_REQ_LIMIT; i++) {
s->reqs[i].qtag = i;
}
}
static int spapr_vscsi_init(VIOsPAPRDevice *dev)
{
VSCSIState *s = DO_UPCAST(VSCSIState, vdev, dev);
dev->crq.SendFunc = vscsi_do_crq;
@ -952,6 +956,7 @@ static void spapr_vscsi_class_init(ObjectClass *klass, void *data)
VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
k->init = spapr_vscsi_init;
k->reset = spapr_vscsi_reset;
k->devnode = spapr_vscsi_devnode;
k->dt_name = "v-scsi";
k->dt_type = "vscsi";