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dma: eliminate DMAContext

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The DMAContext is a simple pointer to an AddressSpace that is now always
already available.  Make everyone hold the address space directly,
and clean up the DMA API to use the AddressSpace directly.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2013-04-10 18:15:49 +02:00
parent 96478592a9
commit df32fd1c9f
23 changed files with 117 additions and 148 deletions
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4
hw/pci/pci.c
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@ -815,8 +815,6 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev, PCIBus *bus,
dma_as->root, 0, memory_region_size(dma_as->root));
memory_region_set_enabled(&pci_dev->bus_master_enable_region, false);
address_space_init(&pci_dev->bus_master_as, &pci_dev->bus_master_enable_region);
pci_dev->dma = g_new(DMAContext, 1);
dma_context_init(pci_dev->dma, &pci_dev->bus_master_as);
pci_dev->devfn = devfn;
pstrcpy(pci_dev->name, sizeof(pci_dev->name), name);
@ -873,8 +871,6 @@ static void do_pci_unregister_device(PCIDevice *pci_dev)
address_space_destroy(&pci_dev->bus_master_as);
memory_region_destroy(&pci_dev->bus_master_enable_region);
g_free(pci_dev->dma);
pci_dev->dma = NULL;
}
static void pci_unregister_io_regions(PCIDevice *pci_dev)