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spapr: convert TCE API to use an opaque type

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The TCE table is currently returned as a DMAContext, and non-type-safe
APIs are called later passing back the DMAContext.  Since we want to move
away from DMAContext, use an opaque type instead, and add an accessor
to retrieve the DMAContext from it.

Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-10 17:30:48 +02:00
parent 06d985f5d8
commit 2b7dc949e2
6 changed files with 47 additions and 53 deletions
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8
hw/ppc/spapr_pci.c
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@ -511,7 +511,7 @@ static DMAContext *spapr_pci_dma_context_fn(PCIBus *bus, void *opaque,
{
sPAPRPHBState *phb = opaque;
return phb->dma;
return spapr_tce_get_dma(phb->tcet);
}
static int spapr_phb_init(SysBusDevice *s)
@ -646,8 +646,8 @@ static int spapr_phb_init(SysBusDevice *s)
sphb->dma_window_start = 0;
sphb->dma_window_size = 0x40000000;
sphb->dma = spapr_tce_new_dma_context(sphb->dma_liobn, sphb->dma_window_size);
if (!sphb->dma) {
sphb->tcet = spapr_tce_new_table(sphb->dma_liobn, sphb->dma_window_size);
if (!sphb->tcet) {
fprintf(stderr, "Unable to create TCE table for %s\n", sphb->dtbusname);
return -1;
}
@ -676,7 +676,7 @@ static void spapr_phb_reset(DeviceState *qdev)
sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(s);
/* Reset the IOMMU state */
spapr_tce_reset(sphb->dma);
spapr_tce_reset(sphb->tcet);
}
static Property spapr_phb_properties[] = {