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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
1 changed files with 7 additions and 2 deletions
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9
hw/spapr_vscsi.c
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@ -893,16 +893,20 @@ static const struct SCSIBusInfo vscsi_scsi_info = {
.cancel = vscsi_request_cancelled .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); VSCSIState *s = DO_UPCAST(VSCSIState, vdev, dev);
int i; int i;
/* Initialize qemu request tags */
memset(s->reqs, 0, sizeof(s->reqs)); memset(s->reqs, 0, sizeof(s->reqs));
for (i = 0; i < VSCSI_REQ_LIMIT; i++) { for (i = 0; i < VSCSI_REQ_LIMIT; i++) {
s->reqs[i].qtag = 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; 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); VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
k->init = spapr_vscsi_init; k->init = spapr_vscsi_init;
k->reset = spapr_vscsi_reset;
k->devnode = spapr_vscsi_devnode; k->devnode = spapr_vscsi_devnode;
k->dt_name = "v-scsi"; k->dt_name = "v-scsi";
k->dt_type = "vscsi"; k->dt_type = "vscsi";